HCUP KID Data dictionary - onetomapanalytics/Meta_Data GitHub Wiki

HCUP KID - Data dictionary

HCUP Data Element	Descriptive Title	Years	File(s)
ADAYWK	Admission day of week	1997	Core
AGE	Age in years at admission	1997, 2000, 2003, 2006, 2009, 2012, 2016, 2019	Core
AGEDAY	Age in days (when AGE is less than 1 year)	1997, 2000, 2003, 2006, 2009	Core
AGEMONTH	Age in months (when AGE is less than 11 years)	1997, 2000, 2003, 2006, 2009	Core
AGE_NEONATE	Neonatal age (first 28 days after birth) indicator	2012, 2016, 2019	Core
AHAID	AHA hospital identifier	2000, 2003, 2006, 2009	Hospital
AMONTH	Admission month	1997, 2000, 2003, 2006, 2009, 2012, 2016, 2019	Core
APRDRG	All Patient Refined DRG	2003, 2006, 2009, 2012, 2016, 2019	Severity
APRDRG_Risk_Mortality	All Patient Refined DRG: Risk of Mortality Subclass	2003, 2006, 2009, 2012, 2016, 2019	Severity
APRDRG_Severity	All Patient Refined DRG: Severity of Illness Subclass	2003, 2006, 2009, 2012, 2016, 2019	Severity
APSDRG	All-Payer Severity-adjusted DRG	2003, 2006, 2009	Severity
APSDRG_Charge_Weight	All-Payer Severity-adjusted DRG: Charge Weight	2003, 2006, 2009	Severity
APSDRG_LOS_Weight	All-Payer Severity-adjusted DRG: Length of Stay Weight	2003, 2006, 2009	Severity
APSDRG_Mortality_Weight	All-Payer Severity-adjusted DRG: Mortality Weight	2003, 2006, 2009	Severity
ASOURCE	Admission source, uniform coding	1997, 2000, 2003, 2006, 2009	Core
ASOURCE_X	Admission source, as received from source	2000, 2003, 2006, 2009	Core
ASOURCEUB92	Admission source, (UB-92 standard coding)	2003, 2006, 2009	Core
ATYPE	Admission type	1997, 2000, 2003, 2006, 2009	Core
AWEEKEND	Admission day is on a weekend	2000, 2003, 2006, 2009, 2012, 2016, 2019	Core
BWT	Birth weight in grams	2000, 2003, 2006, 2009	Core
CCSMGNn	Clinical Classification Software (CCS) for Mental Health and Substance Abuse - General	2006	DX_PR_Grps
CCSMSPn	Clinical Classification Software (CCS) for Mental Health and Substance Abuse - Detail	2006	DX_PR_Grps
CHLDWT	Weight to pediatric non-births in universe for estimates other than total charges	2000	Hospital
CHLDWTCHARGE	Weight to pediatric non-births in universe for total charge estimates	2000	Hospital
CHLDWT_U	Weight to pediatric non-births in universe	1997	Hospital
CHRONBn	Chronic Condition Indicators - body system	2006, 2009, 2012	DX_PR_Grps
CHRONn	ICD-9-CM Chronic Condition Indicators	2006, 2009, 2012	DX_PR_Grps
CM_AIDS	AHRQ comorbidity measure for ICD-9-CM codes: acquired immune deficiency syndrome	2003, 2006, 2009, 2012	Severity
CM_ALCOHOL	AHRQ comorbidity measure for ICD-9-CM codes: alcohol abuse	2003, 2006, 2009, 2012	Severity
CM_ANEMDEF	AHRQ comorbidity measure for ICD-9-CM codes: deficiency anemias	2003, 2006, 2009, 2012	Severity
CM_ARTH	AHRQ comorbidity measure for ICD-9-CM codes: rheumatoid arthritis/collagen vascular diseases	2003, 2006, 2009, 2012	Severity
CM_BLDLOSS	AHRQ comorbidity measure for ICD-9-CM codes: chronic blood loss anemia	2003, 2006, 2009, 2012	Severity
CM_CHF	AHRQ comorbidity measure for ICD-9-CM codes: congestive heart failure	2003, 2006, 2009, 2012	Severity
CM_CHRNLUNG	AHRQ comorbidity measure for ICD-9-CM codes: chronic pulmonary disease	2003, 2006, 2009, 2012	Severity
CM_COAG	AHRQ comorbidity measure for ICD-9-CM codes: coagulopathy	2003, 2006, 2009, 2012	Severity
CM_DEPRESS	AHRQ comorbidity measure for ICD-9-CM codes: depression	2003, 2006, 2009, 2012	Severity
CM_DM	AHRQ comorbidity measure for ICD-9-CM codes: diabetes, uncomplicated	2003, 2006, 2009, 2012	Severity
CM_DMCX	AHRQ comorbidity measure for ICD-9-CM codes: diabetes with chronic complications	2003, 2006, 2009, 2012	Severity
CM_DRUG	AHRQ comorbidity measure for ICD-9-CM codes: drug abuse	2003, 2006, 2009, 2012	Severity
CM_HTN_C	AHRQ comorbidity measure for ICD-9-CM codes: hypertension (combine uncomplicated and complicated)	2003, 2006, 2009, 2012	Severity
CM_HYPOTHY	AHRQ comorbidity measure for ICD-9-CM codes: hypothyroidism	2003, 2006, 2009, 2012	Severity
CM_LIVER	AHRQ comorbidity measure for ICD-9-CM codes: liver disease	2003, 2006, 2009, 2012	Severity
CM_LYMPH	AHRQ comorbidity measure for ICD-9-CM codes: lymphoma	2003, 2006, 2009, 2012	Severity
CM_LYTES	AHRQ comorbidity measure for ICD-9-CM codes: fluid and electrolyte disorders	2003, 2006, 2009, 2012	Severity
CM_METS	AHRQ comorbidity measure for ICD-9-CM codes: metastatic cancer	2003, 2006, 2009, 2012	Severity
CM_NEURO	AHRQ comorbidity measure for ICD-9-CM codes: other neurological disorders	2003, 2006, 2009, 2012	Severity
CM_OBESE	AHRQ comorbidity measure for ICD-9-CM codes: obesity	2003, 2006, 2009, 2012	Severity
CM_PARA	AHRQ comorbidity measure for ICD-9-CM codes: paralysis	2003, 2006, 2009, 2012	Severity
CM_PERIVASC	AHRQ comorbidity measure for ICD-9-CM codes: peripheral vascular disorders	2003, 2006, 2009, 2012	Severity
CM_PSYCH	AHRQ comorbidity measure for ICD-9-CM codes: psychoses	2003, 2006, 2009, 2012	Severity
CM_PULMCIRC	AHRQ comorbidity measure for ICD-9-CM codes: pulmonary circulation disorders	2003, 2006, 2009, 2012	Severity
CM_RENLFAIL	AHRQ comorbidity measure for ICD-9-CM codes: renal failure	2003, 2006, 2009, 2012	Severity
CM_TUMOR	AHRQ comorbidity measure for ICD-9-CM codes: solid tumor without metastasis	2003, 2006, 2009, 2012	Severity
CM_ULCER	AHRQ comorbidity measure for ICD-9-CM codes: peptic ulcer disease excluding bleeding	2003, 2006, 2009, 2012	Severity
CM_VALVE	AHRQ comorbidity measure for ICD-9-CM codes: valvular disease	2003, 2006, 2009, 2012	Severity
CM_WGHTLOSS	AHRQ comorbidity measure for ICD-9-CM codes: weight loss	2003, 2006, 2009, 2012	Severity
CMPBWT	Weight to complicated births in universe for estimates other than total charges	2000	Hospital
CMPBWT_U	Weight to complicated births in universe	1997	Hospital
CMPBWTCHARGE	Weight to complicated births in universe for total charge estimates	2000	Hospital
DCCHPRn	Clinical Classifications Software: diagnosis classification	1997	Core
DIED	Died during hospitalization	1997, 2000, 2003, 2006, 2009, 2012, 2016, 2019	Core
DISCWT	Weight to discharges in the universe	2000, 2003, 2006, 2009, 2012, 2016, 2019	Core
DISCWT_U	Weight to discharges in universe	1997	Core, Hospital
DISCWTcharge	Weight to discharges in the universe for national estimates of total charge in 2000.	2000	Core
DISP	Disposition of patient	1997	Core
DISPUB04	Disposition of patient, UB04 standard coding	2009	Core
DISPUB92	Disposition of patient, UB92 coding	2003, 2006, 2009	Core
DISPUNIFORM	Disposition of patient, uniform coding	2000, 2003, 2006, 2009, 2012, 2016, 2019	Core
DMONTH	Discharge month	2016, 2019	Core
DQTR	Discharge quarter	1997, 2000, 2003, 2006, 2009, 2012, 2016, 2019	Core
DQTR_X	Discharge quarter, as received from data source	2006, 2009	Core
DRG	DRG in use on discharge date	1997, 2000, 2003, 2006, 2009, 2012, 2016, 2019	Core
DRG_NoPOA	DRG in use on discharge date, calculated without POA	2009, 2012, 2016, 2019	Core
DRG10	DRG, Version 10	1997	Core
DRG18	DRG, Version 18	2000, 2003	Core
DRG24	DRG, Version 24	2006, 2009, 2012	Core
DRGVER	DRG or MS-DRG grouper version used on discharge date	2000, 2003, 2006, 2009, 2012, 2016, 2019	Core
DS_DX_Category1	Disease Staging: Principal Disease Category	2003, 2006, 2009	Severity
DS_LOS_Level	Disease Staging: Length of Stay Level	2003, 2006	Severity
DS_LOS_Scale	Disease Staging: Length of Stay Scale	2003, 2006	Severity
DS_Mrt_Level	Disease Staging:Mortality Level	2003, 2006	Severity
DS_Mrt_Scale	Disease Staging: Mortality Scale	2003, 2006	Severity
DS_RD_Level	Disease Staging: Resource Demand Level	2003, 2006	Severity
DS_RD_Scale	Disease Staging: Resource Demand Scale	2003, 2006	Severity
DS_Stage1	Disease Staging: Stage of Principal Disease Category	2003, 2006, 2009	Severity
DSHOSPID	Data source hospital number	2000, 2003, 2006, 2009	Core
DXCCSn	Clinical Classifications Software (CCS): ICD-9-CM diagnosis classification	2000, 2003, 2006, 2009, 2012	Core
DXMCCSn	Multi-Level CCS for ICD-9-CM Diagnoses	2009,2012	DX_PR_Grps
DXn	ICD-9-CM Diagnosis	1997, 2000, 2003, 2006, 2009, 2012	Core
DXCCSR_AAAnnn	Clinical Classifications Software Refined (CCSR): ICD-10-CM Diagnosis Classification within Body System AAA	2019	DX_PR_GRPS
DXCCSR_VERSION	Version of the Clinical Classifications Software Refined (CCSR) for ICD-10-CM diagnosis codes	2019	DX_PR_GRPS
DXCCSR_Default_DX1	Default Clinical Classifications Software Refined (CCSR) for principal/first-listed ICD-10-CM diagnosis	2019	DX_PR_GRPS
DXVER	Diagnosis codes ICD version indicator	2016	Core
DXVn	Diagnosis validity flag: Diagnosis n	1997	Core
E_CCSn	Clinical Classifications Software (CCS) for ICD-9-CM External Cause of Injury Code	2003, 2006, 2009, 2012	Core
E_MCCSn	Multi-Level CCS for ICD-9-CM External Cause of Injury Code	2009, 2012	DX_PR_Grps
ECCSMGNn	Clinical Classification Software (CCS) for Mental Health and Substance Abuse - General	2006	DX_PR_Grps
ECODEn	ICD-9-CM External Cause of Injury Code	2003, 2006, 2009, 2012	Core
ELECTIVE	Elective versus non-elective admission	2003, 2006, 2009, 2012, 2016, 2019	Core
FEMALE	Indicator of sex	2000, 2003, 2006, 2009, 2012, 2016, 2019	Core
H_BEDSZ	Bedsize of hospital (definition used prior to 1998)	1997	Hospital
H_BRTH_F	Number of births in HCUP frame hospitals in STRATUM	1997, 2000	Hospital
H_CHLD_F	Number of pediatric non-births in HCUP frame hospitals in STRATUM	1997, 2000	Hospital
H_CMPB_F	Number of pediatric non-births in HCUP frame hospitals in STRATUM	1997, 2000	Hospital
H_CONTRL	Control/ownership of hospital	1997, 2009, 2012, 2016, 2019	Hospital
H_DISC_F	Number of discharges in HCUP frame hospitals in STRATUM	1997, 2000	Hospital
H_HOSP_F	Number of hospitals in HCUP frame hospitals in STRATUM	1997, 2000	Hospital
H_LOC	Location of hospital (definition used prior to 1998)	1997	Hospital
H_LOCTCH	Location/teaching status of hospital (definition used prior to 1998)	1997	Hospital
H_REGION	Hospital census region	1997	Hospital
H_TCH	Hospital teaching status (definition used prior to 1998)	1997	Hospital
H_UNCB_F	Number of uncomplicated births in HCUP frame hospitals in STRATUM	1997, 2000	Hospital
HCUP_ED	HCUP indicator of emergency department record	2009, 2012, 2016, 2019	Core
HFIPSSTCO	Hospital FIPS State/County code	2006, 2009	Hospital
HOSP_BEDSIZE	Bedsize of hospital	2000, 2003, 2006, 2009, 2012, 2016, 2019	Hospital
HOSP_CONTROL	Control/ownership of hospital	2000, 2003, 2006, 2009	Hospital
HOSP_DIVISION	Census Division of hospital (STRATA)	2012	Hospital
HOSP_KID	KID hospital number	2012, 2016, 2019	Core, Hospital, Severity, DX_PR_Grps
HOSP_LOCATION	Location (urban/rural) of hospital	2000, 2003, 2006, 2009	Hospital
HOSP_LOCTEACH	Location/teaching status of hospital	2000, 2003, 2006, 2009, 2012, 2016, 2019	Hospital
HOSP_LPNFTEAPD	LPN FTEs per 1000 adjusted inpatient days	2009	Hospital
HOSP_MHSCLUSTER	Multi-hospital system cluster code	2009	Hospital
HOSP_MHSMEMBER	Multi-hospital system membership	2009	Hospital
HOSP_NAFTEAPD	Nurse aides per 1000 adjusted inpatient days	2009	Hospital
HOSP_OPSURGPCT	Percentage of all surgeries performed in the outpatient setting	2009	Hospital
HOSP_REGION	Region of hospital	2000, 2003, 2006, 2009, 2012, 2016, 2019	Core (beginning in 2012), Hospital
HOSP_RNFTEAPD	RN FTEs per 1000 adjusted inpatient days	2009	Hospital
HOSP_RNPCT	Percentage of RNs among all nurses (RNs and LPNs)	2009	Hospital
HOSP_TEACH	Teaching status of hospital	2000, 2003, 2006, 2009	Hospital
HOSPADDR	Hospital address from AHA Annual Survey	2000, 2003, 2006, 2009	Hospital
HOSPBRTH	ICD-9-CM diagnosis indicates in-hospital birth	1997, 2000, 2003, 2006, 2009, 2012	Core
HOSPCITY	Hospital city from AHA Annual Survey	2000, 2003, 2006, 2009	Hospital
HOSPID	HCUP hospital identification number	2000, 2003, 2006, 2009	Core, Hospital, Severity, DX_PR_Grps
HOSPNAME	Hospital name from AHA Annual Survey	2000, 2003, 2006, 2009	Hospital
HOSPNUM	KID hospital number	1997	Core, Hospital
HOSPST	Hospital State postal code	2000, 2003, 2006, 2009	Core, Hospital
HOSPSTCO	Hospital modified FIPS state/county code	2000, 2003, 2006, 2009	Core (2000), Hospital (2003, 2006, 2009)
HOSPZIP	Hospital zip code from AHA Annual Survey	2000, 2003, 2006, 2009	Hospital
I10_BIRTH	ICD-10-CM Birth Indicator	2019	Core
I10_DELIVERY	ICD-10-CM Delivery Indicator	2019	Core
I10_DXn	ICD-10-CM Diagnosis	2016, 2019	Core
I10_ECAUSEn	ICD-10-CM External Cause of Morbidity Code	2016	Core
I10_HOSPBRTH	ICD-10-CM diagnosis indicates in-hospital birth	2016, 2019	Core
I10_INJURY	Injury ICD-10-CM diagnosis reported on record	2019	Core
I10_MULTINJURY	Multiple ICD-10-CM injuries reported on record	2019	Core
I10_NDX	Number of ICD-10-CM diagnoses on this discharge	2016, 2019	Core
I10_NECAUSE	Number of ICD-10-CM External Cause of Morbidity codes on this record	2016	Core
I10_NPR	Number of ICD-10-PCS procedures on this discharge	2016, 2019	Core
I10_PRn	ICD-10-PCS Procedure	2016, 2019	Core
I10_SERVICELINE	Service line based on ICD-10-CM/PCS codes	2019	Core
I10_UNCBRTH	ICD-10-CM diagnosis indicates a normal uncomplicated in-hospital birth	2016, 2019	Core
IDNUMBER	Modified AHA hospital identifier	2000, 2003, 2006, 2009	Hospital
KEY	Unique record identifier	2000	Core, Severity
KID_STRATUM	Stratum used to post-stratify hospital	2000, 2003, 2006, 2009, 2012, 2016, 2019	Core, Hospital
LOS	Length of stay, cleaned	1997, 2000, 2003, 2006, 2009, 2012, 2016, 2019	Core
LOS_X	Length of stay, as received from data source	1997, 2000, 2003, 2006, 2009	Core
MDC	MDC in effect on discharge date	1997, 2000, 2003, 2006, 2009, 2012, 2016, 2019	Core
MDC_NoPOA	MDC in use on discharge date, calculated without POA	2009, 2012, 2016, 2019	Core
MDC10	MDC, Version 10	1997	Core
MDC18	MDC, Version 18	2000, 2003	Core
MDC24	MDC, Version 24	2006, 2009, 2012	Core
MDID_S	Synthetic attending physician number	1997, 2000	Core
MDNUM1_R	Physician 1 number (re-identified)	2003, 2006, 2009	Core
MDNUM2_R	Physician 2 number (re-identified)	2003, 2006, 2009	Core
N_BRTH_U	Number of universe births in STRATUM	1997, 2000, 2003, 2006, 2009, 2012, 2016, 2019	Hospital
N_DISC_U	Number of universe discharges in the stratum	1997, 2000, 2003, 2006, 2009, 2012, 2016, 2019	Hospital
N_HOSP_U	Number of universe hospitals in the stratum	1997, 2000, 2003, 2006, 2009, 2012, 2016, 2019	Hospital
NACHTYPE	NACHRI hospital type	1997, 2000, 2003, 2006, 2009	Hospital
NCHRONIC	ICD-9-CM Number of chronic conditions	2009, 2012	Core
NDX	Number of ICD-9-CM diagnoses on this discharge	1997, 2000, 2003, 2006, 2009, 2012	Core
NECODE	Number of ICD-9-CM External of Cause of Injury Codes on this Record	2003, 2006, 2009, 2012	Core
NEOMAT	Neonatal and/or maternal ICD-9-CM DX and/or PR	1997, 2000, 2003, 2006, 2009, 2012	Core
NPR	Number of ICD-9-CM procedures on this discharge	1997, 2000, 2003, 2006, 2009, 2012	Core
ORPROC	Major operating room ICD-9-CM procedure indicator	2009, 2012	Core
PAY1	Expected primary payer, uniform	1997, 2000, 2003, 2006, 2009, 2012, 2016, 2019	Core
PAY1_N	Expected primary payer, nonuniform	1997	Core
PAY1_X	Expected primary payer, as received from data source	2000, 2003, 2006, 2009	Core
PAY2	Expected secondary payer, uniform	1997, 2000, 2003, 2006, 2009	Core
PAY2_N	Expected secondary payer, nonuniform	1997	Core
PAY2_X	Expected secondary payer, as received from data source	2000, 2003, 2006, 2009	Core
PCCHPRn	Clinical Classifications Software: procedure classification	1997	Core
PCLASSn	Procedure Classes Refined for ICD-10-PCS procedure codes	2006, 2009, 2012, 2019	DX_PR_Grps
PCLASS_VERSION	Version of the Procedure Classes Refined for ICD-10-PCS procedure codes	2019	DX_PR_Grps
PCLASS_ORPROC	Major operating room ICD-10-PCS procedure indicator	2019	Core
PEDS_DISC	Number of discharges, 20 years old or younger, from this hospital in the SID	2000, 2003, 2006, 2009	Hospital
PEDS_PCT	Percentage of hospital discharges, 20 years old or younger	2000, 2003, 2006, 2009	Hospital
PL_NCHS	Patient Location: NCHS Urban-Rural Code	2006, 2009, 2012, 2016, 2019	Core
PL_UR_CAT4	Patient Location: Urban-Rural 4 Categories	2003	Core
PointOfOrigin_X	Point of origin for admission or visit, as received from source	2009	Core
PointOfOriginUB04	Point of origin for admission or visit, UB04 standard coding	2009	Core
PRn	ICD-9-CM Procedure	1997, 2000, 2003, 2006, 2009, 2012	Core
PRCCSn	Clinical Classifications Software (CCS) for ICD-9-CM Procedures	2000, 2003, 2006, 2009, 2012	Core
PRCCSR_aaannn	Clinical Classifications Software Refined (CCSR): ICD-10-PCS Procedure Classification within Clinical Domain aaa	2019	DX_PR_GRPS
PRCCSR_VERSION	Version of the Clinical Classifications Software Refined (CCSR) for ICD-10-PCS procedure codes	2019	DX_PR_GRPS
PRDAYn	Number of days from admission to procedure n	2000, 2003, 2006, 2009, 2012, 2016, 2019	Core
PRMCCSn	Multi-Level CCS for ICD-9-CM Procedures	2009, 2012	DX_PR_Grps
PRVn	Validity Flag: Procedure n	1997	Core
PRVER	Procedure codes ICD version indicator	2016	Core
RACE	Race/ethnicity of patient	1997, 2000, 2003, 2006, 2009, 2012, 2016, 2019	Core
RECNUM	HCUP record number	1997, 2003, 2006, 2009, 2012, 2016, 2019	Core, Severity, DX_PR_Grps
S_BRTH_U	Number of sample births in STRATUM	1997, 2000, 2003, 2006, 2009, 2012, 2016, 2019	Hospital
S_CHLD	Number of pediatric non-births sampled in the hospital	1997, 2000	Hospital
S_CHLD_U	Number of sample pediatric non-births in STRATUM	1997, 2000, 2003, 2006, 2009, 2012, 2016, 2019	Hospital
S_CMPB	Number of complicated births sampled in the hospital	1997, 2000	Hospital
S_CMPB_U	Number of sample complicated births in STRATUM	1997, 2000, 2003, 2006, 2009, 2012, 2016, 2019	Hospital
S_DISC_U	Number of discharges in the sample for the stratum	1997, 2000, 2003, 2006, 2009, 2012, 2016, 2019	Hospital
S_HOSP_U	Number of hospitals in the sample for the stratum	1997, 2000, 2003, 2006, 2009, 2012, 2016, 2019	Hospital
S_UNCB	Number of uncomplicated births sampled in the hospital	1997, 2000	Hospital
S_UNCB_U	Number of sample uncomplicated births in STRATUM	1997, 2000, 2003, 2006, 2009, 2012, 2016, 2019	Hospital
SEX	Sex of the patient	1997	Core
STRATUM	Stratum used to post-stratify hospital	1997	Hospital
SURGID_S	Synthetic primary surgeon number	1997, 2000	Core
TOTAL_DISC	Number of hospital discharges in the sample	2000, 2003, 2006, 2009	Hospital
TOTCHG	Total charges, cleaned	1997, 2000, 2003, 2006, 2009, 2012, 2016, 2019	Core
TOTCHG_X	Total charges, as received from data source	1997, 2000, 2003, 2006, 2009	Core
TOTDSCHG	Total hospital discharges	1997	Hospital
TRAN_IN	Indicator of a transfer into the hospital	2009, 2012, 2016, 2019	Core
TRAN_OUT	Transfer out indicator	2012, 2016, 2019	Core
UNCBRTH	ICD-9-CM diagnosis indicates a normal uncomplicated in-hospital birth	1997, 2000, 2003, 2006, 2009, 2012	Core
UNCBWT	Weight to uncomplicated births in universe for estimates other than total charges	2000	Hospital
UNCBWTCHARGE	Weight to uncomplicated births in universe for total charge estimates	2000	Hospital
UNCBWT_U	Weight to uncomplicated births in universe	1997	Hospital
YEAR	Calendar year	1997, 2000, 2003, 2006, 2009, 2012, 2016, 2019	Core, Hospital
ZIPINC	Median household income for patient's ZIP Code (based on 1999 demographics)	2000	Core
ZIPINC_QRTL	Median household income for patient's ZIP Code (based on current year)	2003, 2006, 2009, 2012, 2016, 2019	Core
ZIPINC4	Median income for patient's ZIP Code (4 categories)	1997	Core

Note: Data elements change frequently, and are only current as of the date generated. Abbreviations: DX, diagnosis; PR, procedure; Q1, discharge quarter 1; Q3, discharge quarter 3; Q4, discharge quarter 4.

HCUP KID - Data dictionary