SEER data dictionary - onetomapanalytics/Meta_Data GitHub Wiki

SEER*STAT data dictionary

*Note: Item # refers to the NAACCR item number - see https://www.naaccr.org/StandardsandRegistryOperations/VolumeII.aspx; CS = Collaborative Staging; SSF = Site-specific Factor

Field number Name NAACCR Item # Description Category name Category number In Limited-Field
1 Age recode with <1 year olds "The age recode variable is based on Age at Diagnosis (single-year ages). The groupings used in the age recode variable are determined by the age groupings in the population data. This recode has 19 age groups in the age recode variable (< 1 year; 1-4 years; 5-9 years; ...; 85+ years). Will be in Race and Age (case data only) in rate or prevalence sessions if an alternate age is used as the population age variable.See ASCII text file description:https://seer.cancer.gov/data-software/documentation/seerstat/nov2018/TextData.FileDescription.pdf#AGE_RECODE__1_YEAR_OLDS" "Age at Diagnosis(or Race and Age (case data only))" "1(or 14)" Yes
2 Race recode (White/ Black/ Other) Race recode is based on the race variables and the American Indian/Native American IHS link variable. This recode should be used to link to the populations for white; black and other. It is independent of Hispanic ethnicity. For more information; see https://seer.cancer.gov/seerstat/variables/seer/race_ethnicity/ Race/ Sex/ Year Dx/ Registry/ County 2 Yes
3 Sex 220 Includes 1= Male and 2=Female from Sex [NAACCR Item #220] plus a total of male and female. This is used to link to the correct populations for males and females when calculating sex-specific rates. Race/ Sex/ Year Dx/ Registry/ County 2 Yes
4 Year of diagnosis 390 Year of Diagnosis: values are 1973-2014 but may be a subset depending on the file that is used and the registry that is selected. There are no unknown values on the file. Race/ Sex/ Year Dx/ Registry/ County 2 Yes
5 SEER registry 40 "This field show the SEER registries which contribute data to this file. After the name of the registry; there is the beginning year of diagnosis for that registry. This data item varies by which data file is selected. See ASCII text file description: https://seer.cancer.gov/data-software/documentation/seerstat/nov2018/TextData.FileDescription.pdf#REGISTRY_ID" Race/ Sex/ Year Dx/ Registry/ County 2 Yes
6 Louisiana 2005 - 1st vs 2nd half of year This field is used to separate Louisiana cases diagnosed in the first half of 2005 from those diagnosed in the second half of 2005 to link to different population estimates used to account for displaced persons due to Katrina/Rita. See https://seer.cancer.gov/data/hurricane.html Race/ Sex/ Year Dx/ Registry/ County 2 Yes
7 County 90 "County of residence at diagnosis. This must be used in conjunction with SEER registry or use State-county variable. For more information; see https://seer.cancer.gov/manuals/2004Revision%201/SPM_AppendixA.pdf" Race/ Sex/ Year Dx/ Registry/ County 2 Yes
8 State-county State and county at diagnosis. Can be used to link to the populations to produce rates at the state/county level. Race/ Sex/ Year Dx/ Registry/ County 2 Yes
9 In research data Flag indicates whether it is supplemental data or not. In research databases which include Louisiana; July-December 2005 cases are considered supplemental data. These cases/populations are set to "No" for this field and are typically excluded in SEER analyses. This field is associated with the Research data check box on the selection tab in all SEER*Stat sessions other than prevalence. For more information; see: https://seer.cancer.gov/data/hurricane.html Race/ Sex/ Year Dx/ Registry/ County 2
10 PRCDA 2016 "This data item identifies whether or not the county of diagnosis is served by PRCDA. The primary use of this field is to be able to limit analyses of AI/AN race to areas served by PRCDA. See https://seer.cancer.gov/seerstat/variables/seer/race_ethnicity OR https://seer.cancer.gov/seerstat/variables/countyattribs/" Race/ Sex/ Year Dx/ Registry/ County 2 Yes
11 PRCDA Region This data item is a grouping of counties that is primarily used when working with PRCDA 2006. See https://seer.cancer.gov/seerstat/variables/seer/race_ethnicity OR https://seer.cancer.gov/seerstat/variables/countyattribs/ Race/ Sex/ Year Dx/ Registry/ County 2 Yes
12 Site recode ICD-O-3/WHO 2008 A recode based on Primary Site and Histology in order to make analyses of site/histology groups easier. For example; the lymphomas are excluded from stomach and Kaposi and mesothelioma are separate categories based on histology. For more information; see https://seer.cancer.gov/siterecode/icdo3_dwhoheme/ Site and Morphology 3 Yes
13 Behavior recode for analysis This recode was created so that data analyses could eliminate major groups of histologies/behaviors that weren't collected consistently over time; for example benign brain; myelodyplastic syndromes; and borderline tumors of the ovary. Created from ICD-O-3 behavior and histology. For more information; see https://seer.cancer.gov/behavrecode Site and Morphology 3 Yes
14 AYA site recode/WHO 2008 A site/histology recode that is mainly used to analyze data on adolescent and young adults. The recode was applied to all cases no matter the age in order that age comparisons can be made with these groupings. For more information; see https://seer.cancer.gov/ayarecode/ Site and Morphology 3 Yes
15 Lymphoma subtype recode/WHO 2008 A site/histology recode that is mainly used to analyze data on lymphoma sub-types. Based on ICD-O-3. Note that cases diagnosed before 2001 were not coded under ICD-O-3 and were converted to ICD-O-3 and may not have the specificity of cases after 2000 that were coded directly under ICD-O-3. For more information; see https://seer.cancer.gov/lymphomarecode/ Site and Morphology 3 Yes
16 ICCC site recode ICD-O-3/WHO 2008 A site/histology recode that is mainly used to analyze data on children. The recode was applied to all cases no matter the age in order that age comparisons can be made with these groupings. Based on ICD-O-3. Note that cases diagnosed before 2001 were not coded under ICD-O-3 and were converted to ICD-O-3 and may not have the specificity of cases after 2000 that were coded directly under ICD-O-3. For more information on this International Classification of Childhood Cancer (ICCC) site recode; see https://seer.cancer.gov/iccc Site and Morphology 3 Yes
17 TNM 7/CS v0204+ Schema "CS information is collected under the specifications of a particular schema based on site and histology. This recode should used in any analysis of AJCC 7th ed stage and T; N; M. For more information see ASCII text file description: https://seer.cancer.gov/data-software/documentation/seerstat/nov2018/TextData.FileDescription.pdf#CS_SCHEMA_v0204_" Site and Morphology 3
18 CS Schema - AJCC 6th ed "CS information is collected under the specifications of a particular schema based on site and histology. This recode should used in any analysis of AJCC 6th ed stage and T; N; M. Based on CS version 1; it should not be used for SSFs collected or modified under CS v02. https://cancerstaging.org/cstage/schema.html. For more information see ASCII text file description: https://seer.cancer.gov/data-software/documentation/seerstat/nov2018/TextData.FileDescription.pdf#CS_SCHEMA_AJCC_6TH_ED__PREVIOUS" Site and Morphology 3
19 Primary Site - labeled 400 This provides the primary site code in ICD-O-3 and a descriptive primary site label. Note that the label is the preferred ICD-O-3 bolded name and there may be other sites or sub-sites included in the code but not reflected in the preferred term. Refer to ICD-O-3 for further information. Cases with years of diagnosis before 1992 were converted to ICD-O-3 from earlier versions. Site and Morphology 3 Yes
20 Primary Site 400 Codes are found in the Topography section of the International Classification of Diseases for Oncology (ICD-O) 3rd edition. ICD-O-2 codes used for 1992-2000 are similar. Primary site codes for 1973-1991 were converted to ICD-O-3 and may lack the specificity of the ICD-O-3 primary site codes. Site and Morphology 3 Yes
21 Histologic Type ICD-O-3 522 Based on histology codes in ICD-O-3. Cases diagnosed in 1973-2000 were coded in earlier versions and converted to ICD-O-3 and coded directly for 2001+. Site and Morphology 3 Yes
22 Behavior code ICD-O-3 "Based on behavior codes in ICD-O-3. Behavior code has had the same definitions in previous versions but may be associated differently with histologies over time. For example; borderline of the ovary were considered malignant in ICD-O-2 but benign in ICD-O-3. cases diagnosed in 1973-2000 were coded in earlier versions and converted to ICD-O-3 and coded directly for 2001+. In situ bladder cases have been converted to malignant in this field. See Behavior recode for consistency over time. For more information see ASCII text file description: https://seer.cancer.gov/data-software/documentation/seerstat/nov2018/TextData.FileDescription.pdf#BEHAVIOR_CODE_ICD_O_3" Site and Morphology 3 Yes
23 Grade 440 "Based on grade codes in ICD-O-3. Cases diagnosed in 1973-2000 were coded in earlier versions and may lack the specificity of the 2001+ cases that were coded directly; especially for lymphomas/leukemias. For more information see ASCII text file description: https://seer.cancer.gov/data-software/documentation/seerstat/nov2018/TextData.FileDescription.pdf#GRADE" Site and Morphology 3 Yes
24 Laterality 410 "See ASCII text file description: https://seer.cancer.gov/data-software/documentation/seerstat/nov2018/TextData.FileDescription.pdf#LATERALITY" Site and Morphology 3 Yes
25 Diagnostic Confirmation 490 "See ASCII text file description: https://seer.cancer.gov/data-software/documentation/seerstat/nov2018/TextData.FileDescription.pdf#DIAGNOSTIC_CONFIRMATION" Site and Morphology 3 Yes
26 ICD-O-3 Hist/behav Labeled version of ICD-O-3 values for all behaviors. See SEER*Stat dictionary for labels. Site and Morphology 3 Yes
27 ICD-O-3 Hist/behav; malignant Labeled version of ICD-O-3 values for malignant tumors. All non-malignant tumors are grouped into one value. See SEER*Stat dictionary for labels. Site and Morphology 3 Yes
28 Histology recode - broad groupings "Based on Histologic type ICD-O-3. For more information see ASCII text file description:https://seer.cancer.gov/data-software/documentation/seerstat/nov2018/TextData.FileDescription.pdf#HISTOLOGY_RECODE_BRAIN_GROUPING" Site and Morphology 3 Yes
29 Histology recode - brain groupings "Based on Histologic type ICD-O-3. For more information see ASCII text file description: https://seer.cancer.gov/data-software/documentation/seerstat/nov2018/TextData.FileDescription.pdf#HISTOLOGY_RECODE_BRAIN_GROUPING" Site and Morphology 3 Yes
30 ICCC site rec extended ICD-O-3/WHO 2008 Based on ICD-O-3. For more information on this International Classification of Childhood Cancer (ICCC) site/histology recode; see https://seer.cancer.gov/iccc. While the recode is normally used for childhood cancers; it is on the file for all ages so that childhood cancers could be compared across age groups. For more information; see https://seer.cancer.gov/iccc/iccc-who2008.html Site and Morphology 3 Yes
31 Site recode B ICD-O-3/WHO 2008 A recode based on Primary Site and Histology in order to make analyses of site/histology groups easier for multiple primary analyses. For example; the lymphomas are excluded from stomach and Kaposi and mesothelioma are separate categories based on histology. For more information; see https://seer.cancer.gov/siterecode_b/icdo3_who2008/ Site and Morphology 3 Yes
32 Summary stage 2000 (1998+) Summary Stage 2000 is derived from Collaborative Stage (CS) for 2004+ and Extent of Disease (EOD) from 1998-2003. It is a simplified version of stage: in situ; localized; regional; distant; & unknown. Used in the SEER CSR and more recent SEER publications. For more information including sites and years for which it isn't calculated; see https://seer.cancer.gov/seerstat/variables/seer/lrd-stage/ Stage - Summary/Historic 4
33 SEER Combined Summary Stage 2000 (2004+) Combination of NAACCR Item #s 759 and 3020. For 2004-2015 cases it is copied from Derived SS2000 and for 2016+ it is the best available between Derived SS2000 and SEER Summary Stage 2000. All benign/borderline cases set to NA. Stage - Summary/Historic 4 Yes
34 SEER historic stage A SEER Historic Stage A is Derived from Collaborative Stage (CS) for 2004+ and Extent of Disease (EOD) from 1973-2003. It is a simplified version of stage: in situ; localized; regional; distant; & unknown. For more information including sites and years for which it isn't calculated; see https://seer.cancer.gov/seerstat/variables/seer/lrd-stage/ Stage - Summary/Historic 4
35 Derived SS1977 (2004+) 3010 "Derived Summary Stage 1977 is derived from Collaborative Staging data elements for 2004+ cases. See the CS site-specific schema for details (https://seer.cancer.gov/seerstat/variables/seer/ajcc-stage) and the ASCII test file description for allowable values for display codes and storage values. Seehttps://seer.cancer.gov/data-software/documentation/seerstat/nov2018/TextData.FileDescription.pdf#DERIVED_SS1977" Stage - Summary/Historic 4
36 SEER summary stage 2000 (2001-2003) Summary Stage 2000 for 2001-2003 is based on SEER Extent of Disease (EOD) following a SEER algorithm. This variable is provided on the NAACCR call for data. For more information; see https://seer.cancer.gov/tools/ssm/ Stage - Summary/Historic 4
37 SEER summary stage 1977 (1995-2000) SEER summary stage 1977 (1995-2000) is based on SEER Extent of Disease (EOD) following a SEER algorithm. This variable is provided on the NAACCR call for data. For more information; see https://seer.cancer.gov/manuals/historic/ssm_1977.pdf Stage - Summary/Historic 4
38 Derived AJCC Stage Group 7th ed (2010-2015) 3430 https://seer.cancer.gov/data-software/documentation/seerstat/nov2018/TextData.FileDescription.pdf#DERIVED_AJCC_7_STAGE_GRP Stage - 7th edition 5
39 Derived AJCC T 7th ed (2010-2015) 3400 For more information; see https://seer.cancer.gov/seerstat/variables/seer/ajcc-stage/ Stage - 7th edition 5
40 Derived AJCC N 7th ed (2010-2015) 3410 For more information; see https://seer.cancer.gov/seerstat/variables/seer/ajcc-stage/ Stage - 7th edition 5
41 Derived AJCC M 7th ed (2010-2015) 3420 For more information; see https://seer.cancer.gov/seerstat/variables/seer/ajcc-stage/ Stage - 7th edition 5
42 Derived SEER Cmb Stg Grp (2016+) 3614 For more information; see https://seer.cancer.gov/seerstat/variables/seer/ajcc-stage/ Stage - 7th edition 5
43 Derived SEER Combined T (2016+) 3616 For more information; see https://seer.cancer.gov/seerstat/variables/seer/ajcc-stage/ Stage - 7th edition 5
44 Derived SEER Combined N (2016+) 3618 For more information; see https://seer.cancer.gov/seerstat/variables/seer/ajcc-stage/ Stage - 7th edition 5
45 Derived SEER Combined M (2016+) 3620 For more information; see https://seer.cancer.gov/seerstat/variables/seer/ajcc-stage/ Stage - 7th edition 5
46 Derived SEER Combined T Src (2016+) 3622 For more information; see https://seer.cancer.gov/seerstat/variables/seer/ajcc-stage/ Stage - 7th edition 5
47 Derived SEER Combined N Src (2016+) 3624 For more information; see https://seer.cancer.gov/seerstat/variables/seer/ajcc-stage/ Stage - 7th edition 5
48 Derived SEER Combined M Src (2016+) 3626 For more information; see https://seer.cancer.gov/seerstat/variables/seer/ajcc-stage/ Stage - 7th edition 5
49 Derived AJCC Stage Group 6th ed (2004-2015) 3000 "The stage category for AJCC 6th edition is derived from Collaborative Staging data elements for 2004+ cases. See the CS site-specific schema for details (https://seer.cancer.gov/seerstat/variables/seer/ajcc-stage) and the ASCII text file description for allowable values for display codes and storage values. Seehttps://seer.cancer.gov/data-software/documentation/seerstat/nov2018/TextData.FileDescription.pdf#DERIVED_AJCC_6_STAGE_GRP" Stage - 6th edition 6
50 Breast - Adjusted AJCC 6th Stage (1988-2015) Created from merged EOD 3rd Edition and Collaborative Stage disease information. For more information see: https://seer.cancer.gov/seerstat/variables/seer/ajcc-stage/6th/. Stage - 6th edition 6
51 Derived AJCC T 6th ed (2004-2015) 2940 "The T category for AJCC 6th edition is derived from Collaborative Staging data elements for 2004+ cases. See the CS site-specific schema for details (https://seer.cancer.gov/seerstat/variables/seer/ajcc-stage) and the ASCII test file description for allowable values for display codes and storage values. Seehttps://seer.cancer.gov/data-software/documentation/seerstat/nov2018/TextData.FileDescription.pdf#DERIVED_AJCC_6_T" Stage - 6th edition 6
52 Derived AJCC N 6th ed (2004-2015) 2960 "The N category for AJCC 6th edition is derived from Collaborative Staging data elements for 2004+ cases. See the CS site-specific schema for details (https://seer.cancer.gov/seerstat/variables/seer/ajcc-stage) and the ASCII test file description for allowable values for display codes and storage values. See https://seer.cancer.gov/data-software/documentation/seerstat/nov2018/TextData.FileDescription.pdf#DERIVED_AJCC_6_N" Stage - 6th edition 6
53 Derived AJCC M 6th ed (2004-2015) 2980 "The M category for AJCC 6th edition is derived from Collaborative Staging data elements for 2004+ cases. See the CS site-specific schema for details (https://seer.cancer.gov/seerstat/variables/seer/ajcc-stage) and the ASCII test file description for allowable values for display codes and storage values. See https://seer.cancer.gov/data-software/documentation/seerstat/nov2018/TextData.FileDescription.pdf#DERIVED_AJCC_6_M" Stage - 6th edition 6
54 Breast - Adjusted AJCC 6th T (1988-2015) Created from merged EOD 3rd Edition and Collaborative Stage disease information. For more information see: https://seer.cancer.gov/seerstat/variables/seer/ajcc-stage/6th/ Stage - 6th edition 6
55 Breast - Adjusted AJCC 6th N (1988-2015) Created from merged EOD 3rd Edition and Collaborative Stage disease information. For more information see: https://seer.cancer.gov/seerstat/variables/seer/ajcc-stage/6th/ Stage - 6th edition 6
56 Breast - Adjusted AJCC 6th M (1988-2015) Created from merged EOD 3rd Edition and Collaborative Stage disease information. For more information see: https://seer.cancer.gov/seerstat/variables/seer/ajcc-stage/6th/ Stage - 6th edition 6
57 Lymphoma - Ann Arbor Stage (1983-2015) For more information; see https://seer.cancer.gov/seerstat/variables/seer/ajcc-stage/ann-arbor/ Stage - Other 7
58 AJCC stage 3rd edition (1988-2003) "Derived by algorithm from extent of disease (EOD). Not available for all years or for all sites. See ASCII text file description: https://seer.cancer.gov/data-software/documentation/seerstat/nov2018/TextData.FileDescription.pdf#AJCC_STAGE_3rd_EDITION__1988_20" Stage - Other 7
59 SEER modified AJCC stage 3rd (1988-2003) "Derived by algorithm from extent of disease (EOD). Not available for all years or for all sites. The modified version stages cases that would be unstaged under strict AJCC staging rules. For example; it assumes NX is N0. See ASCII text file description: https://seer.cancer.gov/data-software/documentation/seerstat/nov2018/TextData.FileDescription.pdf#SEER_MODIFIED_AJCC_STAGE_3rd_ED" Stage - Other 7
60 T value - based on AJCC 3rd (1988-2003) "Derived by algorithm from extent of disease (EOD). Not available for all years or for all sites. See ASCII text file description: https://seer.cancer.gov/data-software/documentation/seerstat/nov2018/TextData.FileDescription.pdf#T_VALUE___BASED_ON_AJCC_3rd__19" Stage - Other 7
61 N value - based on AJCC 3rd (1988-2003) "Derived by algorithm from extent of disease (EOD). Not available for all years or for all sites. See ASCII text file description: https://seer.cancer.gov/data-software/documentation/seerstat/nov2018/TextData.FileDescription.pdf#N_VALUE___BASED_ON_AJCC_3rd__19" Stage - Other 7
62 M value - based on AJCC 3rd (1988-2003) "Derived by algorithm from extent of disease (EOD). Not available for all years or for all sites. See ASCII text file description: https://seer.cancer.gov/data-software/documentation/seerstat/nov2018/TextData.FileDescription.pdf#M_VALUE___BASED_ON_AJCC_3rd__19" Stage - Other 7
63 TNM Edition Number (2016+) 1060 For more information; see https://seer.cancer.gov/seerstat/variables/seer/ajcc-stage/ Stage - Other 7
64 RX Summ--Surg Prim Site (1998+) 1290 "NAACCR Name=RX Summ--Surg Prim Site; Item #=1290. The information in this field is site-specific. The amount/detail of information has varied over time and caution should be used when looking at trends over time. For site-specific codes; see Appendix C of https://seer.cancer.gov/tools/codingmanuals/Data for 1998-2002 are converted from Surgery of primary site (1998-2002); documented here: https://seer.cancer.gov/manuals/historic/AppendC.pdf. See here for changes between the two coding systems: https://seer.cancer.gov/tools/SEER2003.code.changes.122302.pdf" Therapy 8
65 RX Summ--Scope Reg LN Sur (2003+) 1292 "Changed to Unknown or not applicable for breast cancer cases. See https://seer.cancer.gov/seerstat/variables/seer/regional_ln/ for more information. See ASCII text file description: https://seer.cancer.gov/data-software/documentation/seerstat/nov2018/TextData.FileDescription.pdf#RX_SUMM_SCOPE_REG_LN_SUR" Therapy 8
66 RX Summ--Surg Oth Reg/Dis (2003+) 1294 "See ASCII text file description: https://seer.cancer.gov/data-software/documentation/seerstat/nov2018/TextData.FileDescription.pdf#RX_SUMM_SURG_OTH_REG_DIS" Therapy 8
67 Reason no cancer-directed surgery 1340 "See ASCII text file description: https://seer.cancer.gov/data-software/documentation/seerstat/nov2018/TextData.FileDescription.pdf#REASON_FOR_NO_SURGERY" Therapy 8
68 Scope of reg lymph nd surg (1998-2002) 1647 "Changed to Unknown or not applicable for breast cancer cases. See https://seer.cancer.gov/seerstat/variables/seer/regional_ln/ for more information. See ASCII text file description: https://seer.cancer.gov/data-software/documentation/seerstat/nov2018/TextData.FileDescription.pdf#RX_SUMM_SCOPE_REG_98_02" Therapy 8
69 RX Summ--Reg LN Examined (1998-2002) 1296 "See ASCII text file description:https://seer.cancer.gov/data-software/documentation/seerstat/nov2018/TextData.FileDescription.pdf#RX_SUMM_REG_LN_EXAMINED" Therapy 8
70 Surgery of oth reg/dis sites (1998-2002) 1648 "See ASCII text file description: https://seer.cancer.gov/data-software/documentation/seerstat/nov2018/TextData.FileDescription.pdf#RX_SUMM_SURG_OTH_98_02" Therapy 8
71 Site specific surgery (1973-1997 varying detail by year and site) 1640 NAACCR Name=RX Summ--Surgery Type; Item #=1640. For more information; see https://seer.cancer.gov/seerstat/variables/seer/surgery. Therapy 8
72 Tumor Size Summary (2016+) 756 "See ASCII text file description:https://seer.cancer.gov/data-software/documentation/seerstat/nov2018/TextData.FileDescription.pdf#TUMOR_SIZE_SUMMARY" Extent of Disease 9
73 Regional nodes examined (1988+) 830 "Currently coded under CS -https://seer.cancer.gov/seerstat/variables/seer/ajcc-stage/. Cases coded 1988-2003 used slightly different definitions - see SEER coding manual for those years. https://seer.cancer.gov/data-software/documentation/seerstat/nov2018/TextData.FileDescription.pdf#REGIONAL_NODES_EXAMINED" Extent of Disease 9
74 Regional nodes positive (1988+) 820 "Currently coded under CS - see https://seer.cancer.gov/seerstat/variables/seer/ajcc-stage/. Cases coded 1988-2003 used slightly different definitions - see SEER coding manual for 1988. https://seer.cancer.gov/data-software/documentation/seerstat/nov2018/TextData.FileDescription.pdf#REGIONAL_NODES_POSITIVE" Extent of Disease 9
75 SEER Combined Mets at DX-bone (2010+) "Created from NAACCR Item #=2851 (2010-2015) and #=1112 (2016+)See ASCII text file description:https://seer.cancer.gov/data-software/documentation/seerstat/nov2018/TextData.FileDescription.pdf#SEER_COMBINED_METS_AT_DX_BONE" Extent of Disease 9
76 SEER Combined Mets at DX-brain (2010+) "Created from NAACCR Item #=2851 (2010-2015) and #=1112 (2016+)See ASCII text file description:https://seer.cancer.gov/data-software/documentation/seerstat/nov2018/TextData.FileDescription.pdf#SEER_COMBINED_METS_AT_DX_BRAIN" Extent of Disease 9
77 SEER Combined Mets at DX-liver (2010+) "Created from NAACCR Item #=2851 (2010-2015) and #=1112 (2016+)See ASCII text file description:https://seer.cancer.gov/data-software/documentation/seerstat/nov2018/TextData.FileDescription.pdf#SEER_COMBINED_METS_AT_DX_LIVER" Extent of Disease 9
78 SEER Combined Mets at DX-lung (2010+) "Created from NAACCR Item #=2851 (2010-2015) and #=1112 (2016+)See ASCII text file description:https://seer.cancer.gov/data-software/documentation/seerstat/nov2018/TextData.FileDescription.pdf#SEER_COMBINED_METS_AT_DX_LUNG" Extent of Disease 9
79 Mets at DX-Distant LN (2016+) 1114 "See ASCII text file description:https://seer.cancer.gov/data-software/documentation/seerstat/nov2018/TextData.FileDescription.pdf#METS_AT_DX_DISTANT_LN" Extent of Disease 9
80 Mets at DX-Other (2016+) 1117 https://seer.cancer.gov/data-software/documentation/seerstat/nov2018/TextData.FileDescription.pdf#METS_AT_DX_OTHER Extent of Disease 9
81 Breast Subtype (2010+) Created with combined information from ER Status Recode Breast Cancer (1990+); PR Status Recode Breast Cancer (1990+); and Derived HER2 Recode (2010+). Extent of Disease 9 Yes
82 ER Status Recode Breast Cancer (1990+) Created by combining information from Tumor marker 1 (1990-2003) (NAACCR Item #=1150); with information from CS site-specific factor 1 (2004+) (NAACCR Item #=2880). This field is blank for non-breast cases and cases diagnosed before 1990. Extent of Disease 9
83 PR Status Recode Breast Cancer (1990+) Created by combining information from Tumor marker 2 (1990-2003) (NAACCR Item #=1150); with information from CS site-specific factor 2 (2004+) (NAACCR Item #=2880). This field is blank for non-breast cases and cases diagnosed before 1990. Extent of Disease 9
84 Derived HER2 Recode (2010+) Created with combined information from several CS site-specific factors. For more information; see https://seer.cancer.gov/seerstat/databases/ssf/her2-derived.html. Extent of Disease 9
85 Lymph-vascular Invasion (2004+ varying by schema) 1182 "Required for cases originally coded under CSv2 or diagnosed 2010+ for the schemas for penis and testis only. On the research file LVI is shown for testis and penis because it is needed for AJCC 6th & 7th ed staging. See ASCII text file description: https://seer.cancer.gov/data-software/documentation/seerstat/nov2018/TextData.FileDescription.pdf#LYMPH_VASCULAR_INVASION" Extent of Disease 9
86 CS tumor size (2004-2015) 2800 Information on tumor size. Available for 2004+. Earlier cases may be converted and new codes added which weren't available for use prior to the current version of CS. For more information; see https://seer.cancer.gov/seerstat/variables/seer/ajcc-stage/. Extent of Disease 9
87 CS extension (2004-2015) 2810 Information on extension of the tumor. Available for 2004+. Earlier cases may be converted and new codes added which weren't available for use prior to the current version of CS. For more information; see https://seer.cancer.gov/seerstat/variables/seer/ajcc-stage/. Note: this item was originally a 2 digit field and was expanded to 3 digits during conversion. Generally; a zero was added to the right of the existing 2 digit field except for 99 which became 999. Extent of Disease 9
88 CS lymph nodes (2004-2015) 2830 Information on involvement of lymph nodes. Available for 2004+. Earlier cases may be converted and new codes added which weren't available for use prior to the current version of CS. For more information; see https://seer.cancer.gov/seerstat/variables/seer/ajcc-stage/. Note: this item was originally a 2 digit field and was expanded to 3 digits during conversion. Generally; a zero was added to the right of the existing 2 digit field except for 99 which became 999. Extent of Disease 9
89 CS mets at dx (2004-2015) 2850 Information on distant metastasis. Available for 2004+. Earlier cases may be converted and new codes added which weren't available for use prior to the current version of CS. For more information; see https://seer.cancer.gov/seerstat/variables/seer/ajcc-stage/. Extent of Disease 9
90 CS Tumor Size/Ext Eval (2004-2015) 2820 Available for 2004+; but not required for the entire timeframe. Will be blank in cases not collected. For more information; see https://seer.cancer.gov/seerstat/variables/seer/ajcc-stage/. Extent of Disease 9
91 CS Reg Node Eval (2004-2015) 2840 Available for 2004+; but not required for the entire timeframe. Will be blank in cases not collected. For more information; see https://seer.cancer.gov/seerstat/variables/seer/ajcc-stage/. Extent of Disease 9
92 CS Mets Eval (2004-2015) 2860 Available for 2004+; but not required for the entire timeframe. Will be blank in cases not collected. For more information; see https://seer.cancer.gov/seerstat/variables/seer/ajcc-stage/. Extent of Disease 9
93 CS site-specific factor 1 (2004+ varying by schema) 2880 Each CS site-specific factor (SSF) is schema dependent. They can provide information needed to stage the case; clinically relevant information; or prognostic information. Available for varying years and schemas depending on standard setter requirements. Earlier cases may be converted and new codes added which weren't available for use prior to the current version of CS. For more information; see https://seer.cancer.gov/seerstat/variables/seer/ajcc-stage/. Extent of Disease 9
94 CS site-specific factor 2 (2004+ varying by schema) 2890 Each CS site-specific factor (SSF) is schema dependent. They can provide information needed to stage the case; clinically relevant information; or prognostic information. Available for varying years and schemas depending on standard setter requirements. Earlier cases may be converted and new codes added which weren't available for use prior to the current version of CS. For more information; see https://seer.cancer.gov/seerstat/variables/seer/ajcc-stage/. Extent of Disease 9
95 CS site-specific factor 3 (2004+ varying by schema) 2900 Each CS site-specific factor (SSF) is schema dependent. They can provide information needed to stage the case; clinically relevant information; or prognostic information. Available for varying years and schemas depending on standard setter requirements. Earlier cases may be converted and new codes added which weren't available for use prior to the current version of CS. For more information; see https://seer.cancer.gov/seerstat/variables/seer/ajcc-stage/. Extent of Disease 9
96 CS site-specific factor 4 (2004+ varying by schema) 2910 Each CS site-specific factor (SSF) is schema dependent. They can provide information needed to stage the case; clinically relevant information; or prognostic information. Available for varying years and schemas depending on standard setter requirements. Earlier cases may be converted and new codes added which weren't available for use prior to the current version of CS. For more information; see https://seer.cancer.gov/seerstat/variables/seer/ajcc-stage/. Extent of Disease 9
97 CS site-specific factor 5 (2004+ varying by schema) 2920 Each CS site-specific factor (SSF) is schema dependent. They can provide information needed to stage the case; clinically relevant information; or prognostic information. Available for varying years and schemas depending on standard setter requirements. Earlier cases may be converted and new codes added which weren't available for use prior to the current version of CS. For more information; see https://seer.cancer.gov/seerstat/variables/seer/ajcc-stage/. Extent of Disease 9
98 CS site-specific factor 6 (2004+ varying by schema) 2930 Each CS site-specific factor (SSF) is schema dependent. They can provide information needed to stage the case; clinically relevant information; or prognostic information. Available for varying years and schemas depending on standard setter requirements. Earlier cases may be converted and new codes added which weren't available for use prior to the current version of CS. For more information; see https://seer.cancer.gov/seerstat/variables/seer/ajcc-stage/. Extent of Disease 9
99 CS site-specific factor 7 (2004+ varying by schema) 2861 Each CS site-specific factor (SSF) is schema dependent. They can provide information needed to stage the case; clinically relevant information; or prognostic information. Available for varying years and schemas depending on standard setter requirements. Earlier cases may be converted and new codes added which weren't available for use prior to the current version of CS. For more information; see https://seer.cancer.gov/seerstat/variables/seer/ajcc-stage/. Extent of Disease 9
100 CS site-specific factor 8 (2004+ varying by schema) 2862 Each CS site-specific factor (SSF) is schema dependent. They can provide information needed to stage the case; clinically relevant information; or prognostic information. Available for varying years and schemas depending on standard setter requirements. Earlier cases may be converted and new codes added which weren't available for use prior to the current version of CS. For more information; see https://seer.cancer.gov/seerstat/variables/seer/ajcc-stage/. Extent of Disease 9
101 CS site-specific factor 9 (2004+ varying by schema) 2863 Each CS site-specific factor (SSF) is schema dependent. They can provide information needed to stage the case; clinically relevant information; or prognostic information. Available for varying years and schemas depending on standard setter requirements. Earlier cases may be converted and new codes added which weren't available for use prior to the current version of CS. For more information; see https://seer.cancer.gov/seerstat/variables/seer/ajcc-stage/. Extent of Disease 9
102 CS site-specific factor 10 (2004+ varying by schema) 2864 Each CS site-specific factor (SSF) is schema dependent. They can provide information needed to stage the case; clinically relevant information; or prognostic information. Available for varying years and schemas depending on standard setter requirements. Earlier cases may be converted and new codes added which weren't available for use prior to the current version of CS. For more information; see https://seer.cancer.gov/seerstat/variables/seer/ajcc-stage/. Extent of Disease 9
103 CS site-specific factor 11 (2004+ varying by schema) 2865 Each CS site-specific factor (SSF) is schema dependent. They can provide information needed to stage the case; clinically relevant information; or prognostic information. Available for varying years and schemas depending on standard setter requirements. Earlier cases may be converted and new codes added which weren't available for use prior to the current version of CS. For more information; see https://seer.cancer.gov/seerstat/variables/seer/ajcc-stage/. Extent of Disease 9
104 CS site-specific factor 12 (2004+ varying by schema) 2866 Each CS site-specific factor (SSF) is schema dependent. They can provide information needed to stage the case; clinically relevant information; or prognostic information. Available for varying years and schemas depending on standard setter requirements. Earlier cases may be converted and new codes added which weren't available for use prior to the current version of CS. For more information; see https://seer.cancer.gov/seerstat/variables/seer/ajcc-stage/. Extent of Disease 9
105 CS site-specific factor 13 (2004+ varying by schema) 2867 Each CS site-specific factor (SSF) is schema dependent. They can provide information needed to stage the case; clinically relevant information; or prognostic information. Available for varying years and schemas depending on standard setter requirements. Earlier cases may be converted and new codes added which weren't available for use prior to the current version of CS. For more information; see https://seer.cancer.gov/seerstat/variables/seer/ajcc-stage/. Extent of Disease 9
106 CS site-specific factor 15 (2004+ varying by schema) 2869 Each CS site-specific factor (SSF) is schema dependent. They can provide information needed to stage the case; clinically relevant information; or prognostic information. Available for varying years and schemas depending on standard setter requirements. Earlier cases may be converted and new codes added which weren't available for use prior to the current version of CS. For more information; see https://seer.cancer.gov/seerstat/variables/seer/ajcc-stage/. Extent of Disease 9
107 CS site-specific factor 16 (2004+ varying by schema) 2870 Each CS site-specific factor (SSF) is schema dependent. They can provide information needed to stage the case; clinically relevant information; or prognostic information. Available for varying years and schemas depending on standard setter requirements. Earlier cases may be converted and new codes added which weren't available for use prior to the current version of CS. For more information; see https://seer.cancer.gov/seerstat/variables/seer/ajcc-stage/. Extent of Disease 9
108 CS site-specific factor 25 (2004+ varying by schema) 2879 Each CS site-specific factor (SSF) is schema dependent. They can provide information needed to stage the case; clinically relevant information; or prognostic information. Available for varying years and schemas depending on standard setter requirements. Earlier cases may be converted and new codes added which weren't available for use prior to the current version of CS. For more information; see https://seer.cancer.gov/seerstat/variables/seer/ajcc-stage/. Extent of Disease 9
109 CS version input current (2004-2015) 2937 Data item shows what version was in effect after input fields have been updated for recoded for this case. This data item along with CS version input original gives info on what document to use for the CS codes. For more information; see https://seer.cancer.gov/seerstat/variables/seer/ajcc-stage/. Extent of Disease 9
110 CS version input original (2004-2015) 2935 Data item shows what version was in effect the first time that CS was coded for this case. This data item along with CS version input current gives info on what document to use for the CS codes. For more information; see https://seer.cancer.gov/seerstat/variables/seer/ajcc-stage/. Extent of Disease 9
111 CS version derived (2004-2015) 2936 Data item shows what CS version was used to derive the CS Derived item fields including T; N; M; AJCC stage and SEER Summary stages 1977 and 2000. Extent of Disease 9
112 EOD 10 - Prostate path ext (1995-2003) 800 Information on extension of the tumor from the primary based on information from the prostatectomy for prostate cancer only. For more information; see https://seer.cancer.gov/manuals/EOD10Dig.pub.pdf. Note: for 2004+ similar type of information was collected in CS SSF 3 in the collaborative stage variables. Extent of Disease - Historic 10
113 EOD 10 - extent (1988-2003) 790 Information on extension of the tumor from the primary and distant metastases. For more information; see https://seer.cancer.gov/manuals/EOD10Dig.pub.pdf. Note: for 2004+ similar type of information was collected in CS extension (2004+) and CS Mets at DX (2004+) in the collaborative stage variables. Extent of Disease - Historic 10
114 EOD 10 - nodes (1988-2003) 810 Information on lymph node involvement. Information is site-specific. For more information; see https://seer.cancer.gov/manuals/EOD10Dig.pub.pdf. Note: for 2004+ similar type of information was collected in CS Lymph Nodes (2004+) in the collaborative stage variables. Extent of Disease - Historic 10
115 EOD 10 - size (1988-2003) 780 Information on size of tumor. For more information; see https://seer.cancer.gov/manuals/EOD10Dig.pub.pdf. Note: for 2004+ similar type of information was collected in CS Tumor Size (2004+) in the collaborative stage variables. Extent of Disease - Historic 10
116 Tumor marker 1 (1990-2003) 1150 "This data item records prognostic indicators for breast cases (ERA 1990-2003); prostate cases (PAP 1998-2003) and testis cases (AFP 1998-2003). Please see CS SSFs for similar information for 2004+. For breast cancer cases ERA over time is available in ER Status Recode Breast Cancer (1990+). https://seer.cancer.gov/data-software/documentation/seerstat/nov2018/TextData.FileDescription.pdf#TUMOR_MARKER_1" Extent of Disease - Historic 10
117 Tumor marker 2 (1990-2003) 1160 "This data item records prognostic indicators for breast cases (PRA 1990-2003) and testis cases (hCG 1998-2003). Please see CS SSFs for similar information for 2004+. For breast cancer cases PRA over time is available in PR Status Recode Breast Cancer (1990+). https://seer.cancer.gov/data-software/documentation/seerstat/nov2018/TextData.FileDescription.pdf#TUMOR_MARKER_2" Extent of Disease - Historic 10
118 Tumor marker 3 (1998-2003) 1170 "This data item records prognostic indicators for testis cases (LDH 1998-2003). Please see CS SSFs for similar information for 2004+. https://seer.cancer.gov/data-software/documentation/seerstat/nov2018/TextData.FileDescription.pdf#TUMOR_MARKER_3" Extent of Disease - Historic 10
119 Coding system-EOD (1973-2003) 870 Flag to indicate which type of EOD was coded: 0 Non-specific (N); 1 two-digit; 2 Expanded (EEOD) Extent of Disease - Historic 10
120 2-Digit NS EOD part 1 (1973-1982) 850 This field is used in conjunction with 2-digit NS EOD part 2 to describe a very rudimentary stage. Used in 1973-1982 for some years and some sites/histologies. Use Coding system-EOD with a 0 to use these definitions. For more information see the introduction of https://seer.cancer.gov/manuals/historic/EOD_1977.pdf. Extent of Disease - Historic 10
121 2-Digit NS EOD part 2 (1973-1982) 850 See the description for 2-Digit NS EOD part 1 (1973-1982). Extent of Disease - Historic 10
122 2-Digit SS EOD part 1 (1973-1982) 850 This field is used in conjunction with 2-digit SS EOD part 2 to describe a two-digit site-specific EOD. Used in 1973-1982 for some years and some sites/histologies. Use Coding system-EOD with a 1 to use these definitions. For more information see the appropriate site-specific page of https://seer.cancer.gov/manuals/historic/EOD_1977.pdf. Extent of Disease - Historic 10
123 2-Digit SS EOD part 2 (1973-1982) 850 See the description for 2-Digit SS EOD part 1 (1973-1982). Extent of Disease - Historic 10
124 Expanded EOD(1) - CP53 (1973-1982) 840 NAACCR Name=EOD--Old 13 Digit--1st Digit; Item #=840. For more information; see https://seer.cancer.gov/manuals/historic/EOD_1977.pdf. Extent of Disease - Historic 10
125 Expanded EOD(2) - CP54 (1973-1982) 840 NAACCR Name=EOD--Old 13 Digit--2nd Digit; Item #=840. For more information; see https://seer.cancer.gov/manuals/historic/EOD_1977.pdf. Extent of Disease - Historic 10
126 Expanded EOD(1;2) - CP53;54 (1973-1982) 840 NAACCR Name=EOD--Old 13 Digit--1st and 2nd Digit; Item #=840. For more information; see https://seer.cancer.gov/manuals/historic/EOD_1977.pdf. Extent of Disease - Historic 10
127 Expanded EOD(3) - CP55 (1973-1982) 840 NAACCR Name=EOD--Old 13 Digit--3rd Digit; Item #=840. For more information; see https://seer.cancer.gov/manuals/historic/EOD_1977.pdf. Extent of Disease - Historic 10
128 Expanded EOD(4) - CP56 (1973-1982) 840 NAACCR Name=EOD--Old 13 Digit--4th Digit; Item #=840. For more information; see https://seer.cancer.gov/manuals/historic/EOD_1977.pdf. Extent of Disease - Historic 10
129 Expanded EOD(5) - CP57 (1973-1982) 840 NAACCR Name=EOD--Old 13 Digit--5th Digit; Item #=840. For more information; see https://seer.cancer.gov/manuals/historic/EOD_1977.pdf. Extent of Disease - Historic 10
130 Expanded EOD(6) - CP58 (1973-1982) 840 NAACCR Name=EOD--Old 13 Digit--6th Digit; Item #=840. For more information; see https://seer.cancer.gov/manuals/historic/EOD_1977.pdf. Extent of Disease - Historic 10
131 Expanded EOD(7) - CP59 (1973-1982) 840 NAACCR Name=EOD--Old 13 Digit--7th Digit; Item #=840. For more information; see https://seer.cancer.gov/manuals/historic/EOD_1977.pdf. Extent of Disease - Historic 10
132 Expanded EOD(8) - CP60 (1973-1982) 840 NAACCR Name=EOD--Old 13 Digit--8th Digit; Item #=840. For more information; see https://seer.cancer.gov/manuals/historic/EOD_1977.pdf. Extent of Disease - Historic 10
133 Expanded EOD(9) - CP61 (1973-1982) 840 NAACCR Name=EOD--Old 13 Digit--9th Digit; Item #=840. For more information; see https://seer.cancer.gov/manuals/historic/EOD_1977.pdf. Extent of Disease - Historic 10
134 Expanded EOD(10) - CP62 (1973-1982) 840 NAACCR Name=EOD--Old 13 Digit--10th Digit; Item #=840. For more information; see https://seer.cancer.gov/manuals/historic/EOD_1977.pdf. Extent of Disease - Historic 10
135 Expanded EOD(11) - CP63 (1973-1982) 840 NAACCR Name=EOD--Old 13 Digit--11th Digit; Item #=840. For more information; see https://seer.cancer.gov/manuals/historic/EOD_1977.pdf. Extent of Disease - Historic 10
136 Expanded EOD(12) - CP64 (1973-1982) 840 NAACCR Name=EOD--Old 13 Digit--12th Digit; Item #=840. For more information; see https://seer.cancer.gov/manuals/historic/EOD_1977.pdf. Extent of Disease - Historic 10
137 Expanded EOD(13) - CP65 (1973-1982) 840 NAACCR Name=EOD--Old 13 Digit--13th Digit; Item #=840. For more information; see https://seer.cancer.gov/manuals/historic/EOD_1977.pdf. Extent of Disease - Historic 10
138 EOD 4 - extent (1983-1987) 860 NAACCR Name=EOD--Old 4 Digit--3rd Digit; Item #=860. For more information; see https://seer.cancer.gov/manuals/historic/EOD_1984.pdf. Extent of Disease - Historic 10
139 EOD 4 - nodes (1983-1987) 860 NAACCR Name=EOD--Old 4 Digit--4th Digit; Item #=860. For more information; see https://seer.cancer.gov/manuals/historic/EOD_1984.pdf. Extent of Disease - Historic 10
140 EOD 4 - size (1983-1987) 860 NAACCR Name=EOD--Old 4 Digit--1st and 2nd Digit; Item #=860. For more information; see https://seer.cancer.gov/manuals/historic/EOD_1984.pdf. Extent of Disease - Historic 10
141 COD to site recode The underlying cause of death from the death certificate was grouped into a recode similar to the incidence site recode. For more information; see https://seer.cancer.gov/codrecode/1969_d04162012. Study cutoff date has been applied; i.e. coded as alive if death occurred after study cutoff. Cause of Death (COD) and Follow-up 11
142 SEER cause-specific death classification Created for use in cause-specific survival. This variable designates that the person died of their cancer for cause-specific survival. For more information; see https://seer.cancer.gov/causespecific. Cause of Death (COD) and Follow-up 11
143 SEER other cause of death classification Created for use in left-truncated life table session. This variable designates that the person died of causes other than their cancer. For more information; see https://seer.cancer.gov/causespecific. Cause of Death (COD) and Follow-up 11
144 Survival months Created using complete dates; including days; therefore may differ from survival time calculated from year and month only. For more information; see https://seer.cancer.gov/survivaltime/. Cause of Death (COD) and Follow-up 11
145 Survival months flag Created using complete dates; including days; therefore may differ from survival time calculated from year and month only. For more information; see https://seer.cancer.gov/survivaltime/. Cause of Death (COD) and Follow-up 11
146 COD to site rec KM This is a recode based on underlying cause of death to designate cause of death into groups similar to the incidence site recode with KS and mesothelioma. For more information; see https://seer.cancer.gov/codrecode/1969_d04162012/. Study cutoff date has been applied; i.e. coded as alive if death occurred after study cutoff. Cause of Death (COD) and Follow-up 11
147 Vital status recode (study cutoff used) "Any patient that dies after the follow-up cut-off date is recoded to alive as of the cut-off date. https://seer.cancer.gov/data-software/documentation/seerstat/nov2018/TextData.FileDescription.pdf#VITAL_STATUS_RECODE" Cause of Death (COD) and Follow-up 11
148 Type of follow-up expected 2180 NAACCR Name=SEER Type of Follow-Up; Item #=2180 Cause of Death (COD) and Follow-up 11
149 Sequence number 380 NAACCR Name=Sequence Number--Central; Item #=380 Multiple Primary Fields 12 Yes
150 First malignant primary indicator Based on all the tumors in SEER. Tumors not reported to SEER are assumed malignant. Multiple Primary Fields 12 Yes
151 Primary by international rules "Created using IARC multiple primary rules. Did not include benign tumors or non-bladder in situ tumors in algorithm. No tumor information was modified on any records. https://seer.cancer.gov/data-software/documentation/seerstat/nov2018/TextData.FileDescription.pdf#PRIMARY_BY_INTERNATIONAL_RULES" Multiple Primary Fields 12 Yes
152 Record number recode Sequentially numbers a person's tumors within each SEER submission. Order is based on date of diagnosis and then sequence #. Multiple Primary Fields 12 Yes
153 Total number of in situ/malignant tumors for patient Based on maximum sequence number of any malignant/in situ tumors in SEER through the last released year of diagnosis. This value is the same across all tumors for a person. Multiple Primary Fields 12
154 Total number of benign/borderline tumors for patient Based on maximum sequence number of any benign/borderline tumors in SEER through the last released year of diagnosis. This value is the same across all tumors for a person. Multiple Primary Fields 12
155 Behavior code ICD-O-2 Converted from ICD-O-3 for 2001+ and coded directly for 1973-2000. Site and Morphology - Historic 13
156 Histology ICD-O-2 420 NAACCR Item #=420 Site and Morphology - Historic 13
157 Recode ICD-O-2 to 9 Primary site/type recoded into ICD-9. An underscore in the right-most position of an unlabeled value represents a blank. i.e.; C00_-C009 is all values starting with C00. All tumors not originally coded in ICD-O-2 were first converted from ICD-O-1 or ICD-O-3 and then converted to ICD-9. Site and Morphology - Historic 13
158 Recode ICD-O-2 to 10 Primary site/type recoded into ICD-10. An underscore in the right-most position of an unlabeled value represents a blank. i.e.; C00_-C009 is all values starting with C00. All tumors not originally coded in ICD-O-2 were first converted from ICD-O-1 or ICD-O-3 and then converted to ICD-10. Site and Morphology - Historic 13
159 Age recode with single ages and 85+ Patient's age at diagnosis with all ages over 85 grouped together. In rate and prevalence sessions; this field can be selected as the population age variable (on the data tab); in which case it will be in the Age at Diagnosis category (1) "Race and Age (case data only)(or Age at Diagnosis)" "14(or 1)" Yes
160 Race recode (W; B; AI; API) Caution should be exercised when using this variable. For more information; see https://seer.cancer.gov/seerstat/variables/seer/race_ethnicity/. Race and Age (case data only) 14 Yes
161 Origin recode NHIA (Hispanic; Non-Hisp) Caution should be exercised when using this variable. For more information; see https://seer.cancer.gov/seerstat/variables/seer/race_ethnicity/. Race and Age (case data only) 14 Yes
162 Race and origin recode (NHW; NHB; NHAIAN; NHAPI; Hispanic) Caution should be exercised when using this variable. For more information; see https://seer.cancer.gov/seerstat/variables/seer/race_ethnicity/. Race and Age (case data only) 14 Yes
163 Age at diagnosis 230 "Age at Diagnosis is the patient's age at diagnosis of this cancer and is a three digit field based on single year of age. This can not be used in a rate or prevalence session to link to populations. See ASCII text file description: https://seer.cancer.gov/data-software/documentation/seerstat/nov2018/TextData.FileDescription.pdf#AGE_AT_DIAGNOSIS." Race and Age (case data only) 14 Yes
164 Race/ethnicity Recode which gives priority to non-white races for persons of mixed races. Note that not all codes were in effect for all years. For more information; see https://seer.cancer.gov/seerstat/variables/seer/race_ethnicity/. Race and Age (case data only) 14 Yes
165 IHS Link 192 Incidence files are periodically linked with Indian Health Service (IHS) files to identify Native Americans. The race recode uses information from this field and race to determine if a person is Native American or not. See https://seer.cancer.gov/seerstat/variables/seer/race_ethnicity/ Race and Age (case data only) 14 Yes
166 Year of birth 240 NAACCR Name=Birth Date--Year; Item #=240. The SEER dates on this file do not have the corresponding date flag field included. Blank means unknown. Dates 15 Yes
167 Month of diagnosis 390 NAACCR Name=Date of Diagnosis--Month; Item #=390. SEER dates on this file do not have the corresponding date flag field included. Blank means unknown. Dates 15 Yes
168 Month of diagnosis recode Estimates month of diagnosis; based on other known dates for that patient; when actual month of diagnosis is unknown. Dates 15 Yes
169 SS seq # - mal+ins (most detail) Site specific sequence number of the tumor associated with the site classification scheme in the variable Site - mal+ins (most detail). Based on all the tumors in SEER. Site Specific Sequence Numbers 16
170 SS seq # 1975+ - mal+ins (most detail) Site specific sequence number of the tumor associated with the site classification scheme in the variable Site - mal+ins (most detail). Based on tumors diagnosed 1975+. Site Specific Sequence Numbers 16
171 SS seq # 1992+ - mal+ins (most detail) Site specific sequence number of the tumor associated with the site classification scheme in the variable Site - mal+ins (most detail). Based on tumors diagnosed 1992+. Site Specific Sequence Numbers 16
172 SS seq # 2000+ - mal+ins (most detail) Site specific sequence number of the tumor associated with the site classification scheme in the variable Site - mal+ins (most detail). Based on tumors diagnosed 2000+. Site Specific Sequence Numbers 16 Yes
173 Site - mal+ins (most detail) Should be used in conjunction with and only with the variables SS seq # - mal+ins (most detail); SS seq # 1975+ - mal+ins (most detail); SS seq # 1992+ - mal+ins (most detail); or SS seq # 2000+ - mal+ins (most detail). Groupings should not be created. Site Specific Sequence Numbers 16 Yes
174 SS seq # - mal (most detail) Site specific sequence number of the tumor associated with the site classification scheme in the variable Site - malignant (most detail). Based on all the tumors in SEER. Site Specific Sequence Numbers 16
175 SS seq # 1975+ - mal (most detail) Site specific sequence number of the tumor associated with the site classification scheme in the variable Site - malignant (most detail). Based on tumors diagnosed 1975+. Site Specific Sequence Numbers 16
176 SS seq # 1992+ - mal (most detail) Site specific sequence number of the tumor associated with the site classification scheme in the variable Site - malignant (most detail). Based on tumors diagnosed 1992+. Site Specific Sequence Numbers 16
177 SS seq # 2000+ - mal (most detail) Site specific sequence number of the tumor associated with the site classification scheme in the variable Site - malignant (most detail). Based on tumors diagnosed 2000+. Site Specific Sequence Numbers 16 Yes
178 Site - malignant (most detail) Should be used in conjunction with and only with the variables SS seq # - mal (most detail); SS seq # 1975+ - mal (most detail); SS seq # 1992+ - mal (most detail); or SS seq # 2000+ - mal (most detail). Groupings should not be created. Site Specific Sequence Numbers 16 Yes
179 SS seq # - mal+ins (mid detail) Site specific sequence number of the tumor associated with the site classification scheme in the variable Site - mal+ins (mid detail). Based on all the tumors in SEER. Site Specific Sequence Numbers 16
180 SS seq # 1975+ - mal+ins (mid detail) Site specific sequence number of the tumor associated with the site classification scheme in the variable Site - mal+ins (mid detail). Based on tumors diagnosed 1975+. Site Specific Sequence Numbers 16
181 SS seq # 1992+ - mal+ins (mid detail) Site specific sequence number of the tumor associated with the site classification scheme in the variable Site - mal+ins (mid detail). Based on tumors diagnosed 1992+. Site Specific Sequence Numbers 16
182 SS seq # 2000+ - mal+ins (mid detail) Site specific sequence number of the tumor associated with the site classification scheme in the variable Site - mal+ins (mid detail). Based on tumors diagnosed 2000+. Site Specific Sequence Numbers 16 Yes
183 Site - mal+ins (mid detail) Should be used in conjunction with and only with the variables SS seq # - mal+ins (mid detail); SS seq # 1975+ - mal+ins (mid detail); SS seq # 1992+ - mal+ins (mid detail); or SS seq # 2000+ - mal+ins (mid detail). Groupings should not be created. Site Specific Sequence Numbers 16 Yes
184 SS seq # - mal (mid detail) Site specific sequence number of the tumor associated with the site classification scheme in the variable Site - malignant (mid detail). Based on all the tumors in SEER. Site Specific Sequence Numbers 16
185 SS seq # 1975+ - mal (mid detail) Site specific sequence number of the tumor associated with the site classification scheme in the variable Site - malignant (mid detail). Based on tumors diagnosed 1975+. Site Specific Sequence Numbers 16
186 SS seq # 1992+ - mal (mid detail) Site specific sequence number of the tumor associated with the site classification scheme in the variable Site - malignant (mid detail). Based on tumors diagnosed 1992+. Site Specific Sequence Numbers 16
187 SS seq # 2000+ - mal (mid detail) Site specific sequence number of the tumor associated with the site classification scheme in the variable Site - malignant (mid detail). Based on tumors diagnosed 2000+. Site Specific Sequence Numbers 16 Yes
188 Site - malignant (mid detail) Should be used in conjunction with and only with the variables SS seq # - mal (mid detail); SS seq # 1975+ - mal (mid detail); SS seq # 1992+ - mal (mid detail); or SS seq # 2000+ - mal (mid detail). Groupings should not be created. Site Specific Sequence Numbers 16 Yes
189 SS seq # - mal+ins (least detail) Site specific sequence number of the tumor associated with the site classification scheme in the variable Site - mal+ins (least detail). Based on all the tumors in SEER. Site Specific Sequence Numbers 16
190 SS seq # 1975+ - mal+ins (least detail) Site specific sequence number of the tumor associated with the site classification scheme in the variable Site - mal+ins (least detail). Based on tumors diagnosed 1975+. Site Specific Sequence Numbers 16
191 SS seq # 1992+ - mal+ins (least detail) Site specific sequence number of the tumor associated with the site classification scheme in the variable Site - mal+ins (least detail). Based on tumors diagnosed 1992+. Site Specific Sequence Numbers 16
192 SS seq # 2000+ - mal+ins (least detail) Site specific sequence number of the tumor associated with the site classification scheme in the variable Site - mal+ins (least detail). Based on tumors diagnosed 2000+. Site Specific Sequence Numbers 16 Yes
193 Site - mal+ins (least detail) Should be used in conjunction with and only with the variables SS seq # - mal+ins (least detail); SS seq # 1975+ - mal+ins (least detail); SS seq # 1992+ - mal+ins (least detail); or SS seq # 2000+ - mal+ins (least detail). Groupings should not be created. Site Specific Sequence Numbers 16 Yes
194 SS seq # - mal (least detail) Site specific sequence number of the tumor associated with the site classification scheme in the variable Site - malignant (least detail). Based on all the tumors in SEER. Site Specific Sequence Numbers 16
195 SS seq # 1975+ - mal (least detail) Site specific sequence number of the tumor associated with the site classification scheme in the variable Site - malignant (least detail). Based on tumors diagnosed 1975+. Site Specific Sequence Numbers 16
196 SS seq # 1992+ - mal (least detail) Site specific sequence number of the tumor associated with the site classification scheme in the variable Site - malignant (least detail). Based on tumors diagnosed 1992+. Site Specific Sequence Numbers 16
197 SS seq # 2000+ - mal (least detail) Site specific sequence number of the tumor associated with the site classification scheme in the variable Site - malignant (least detail). Based on tumors diagnosed 2000+. Site Specific Sequence Numbers 16 Yes
198 Site - malignant (least detail) Should be used in conjunction with and only with the variables SS seq # - mal (least detail); SS seq # 1975+ - mal (least detail); SS seq # 1992+ - mal (least detail); or SS seq # 2000+ - mal (least detail). Groupings should not be created. Site Specific Sequence Numbers 16 Yes
199 Patient ID 20 This field used in conjunction with SEER registry to uniquely identify a person. One person can have multiple primaries but has the same Patient ID. See the sequence number for more information about the primary. This is a dummy number and is not the number used by the registry to identify the patient. The same number is not used across all submissions for each patient. Other 17 Yes
200 Type of Reporting Source 500 "Contains information on where the information from this case came. Is used in survival analysis to eliminate cases which are found at autopsy or the only information is from a death certificate. See ASCII text file description: https://seer.cancer.gov/data-software/documentation/seerstat/nov2018/TextData.FileDescription.pdf#TYPE_OF_REPORTING_SOURCE" Other 17 Yes
201 Insurance Recode (2007+) Created from NAACCR Field Primary Payer at DX; Item #=630. Caution is urged when using this variable. Caution should be exercised when using this variable. For more information; see https://seer.cancer.gov/seerstat/variables/seer/insurance-recode/. Other 17
202 Marital status at diagnosis 150 "See ASCII text file description: https://seer.cancer.gov/data-software/documentation/seerstat/nov2018/TextData.FileDescription.pdf#MARITAL_STATUS_AT_DX" Other 17

SEER*STAT data dictionary