"Variable Name","Variable Label (VAR)","VAR Type","VAR Length","Range of Values","Value Description"
"SURVEY","NCHS SURVEY NAME","Char",20,"-","-"
"PUBLICID","NHIS PUBLIC USE ID","Char",14,"ID","-"
"SEQN","NHANES SAMPLE SEQUENCE NUMBER (PUBLIC ID)","Num",8,"ID","-"
"RESNUM","NNHS RESIDENT ID NUMBER (PUBLIC)","Num",8,"ID","-"
"PATNUM","Patient/Discharge Record (Case) Number in public-use file","Num",8,"ID","-"
"FILE_YEAR4","Beneficiary Enrollment Reference Year (YYYY)","Num",4,"1999-2013","-"
"NCHS_CLM_ID","NCHS CLAIM ID","Num",8,"-","-"
"NCH_NEAR_LINE_REC_IDENT_CD","NCH Near Line Record Identification Code","Char",1,"O","Part B physician/supplier claim record (processed by local carriers: can include DMEPOS services)"
"NCH_CLM_TYPE_CD","NCH Claim Type Code","Char",2,71,"RIC O local carrier non-DMEPOS claim"
"NCH_CLM_TYPE_CD","NCH Claim Type Code","Char",2,72,"RIC O local carrier DMEPOS claim"
"CLM_FROM_DT","Claim From Date","Num",4,"-","-"
"CLM_THRU_DT","Claim Through Date  (Determines Year of Claim)","Num",4,"-","-"
"NCH_WKLY_PROC_DT","NCH Weekly Claim Processing Date","Num",4,"-","-"
"CARR_CLM_ENTRY_CD","Carrier Claim Entry Code","Char",1,"-","-"
"CLM_DISP_CD","Claim Disposition Code","Char",2,01,"Debit accepted"
"CARR_CLM_PMT_DNL_CD","Carrier Claim Payment Denial Code","Char",2,"**OTHER**","Miscoded"
"CARR_CLM_PMT_DNL_CD","Carrier Claim Payment Denial Code","Char",2,0,"Denied"
"CARR_CLM_PMT_DNL_CD","Carrier Claim Payment Denial Code","Char",2,00,"MSP cost avoided - COB Contractor"
"CARR_CLM_PMT_DNL_CD","Carrier Claim Payment Denial Code","Char",2,1,"Physician/supplier"
"CARR_CLM_PMT_DNL_CD","Carrier Claim Payment Denial Code","Char",2,2,"Beneficiary"
"CARR_CLM_PMT_DNL_CD","Carrier Claim Payment Denial Code","Char",2,3,"Both physician/supplier and beneficiary"
"CARR_CLM_PMT_DNL_CD","Carrier Claim Payment Denial Code","Char",2,6,"Group practice prepayment plan"
"CARR_CLM_PMT_DNL_CD","Carrier Claim Payment Denial Code","Char",2,7,"Other entries (e.g. Employer, union)"
"CARR_CLM_PMT_DNL_CD","Carrier Claim Payment Denial Code","Char",2,9,"PA service"
"CARR_CLM_PMT_DNL_CD","Carrier Claim Payment Denial Code","Char",2,12,"MSP cost avoided - BC/BS Voluntary Agreements"
"CARR_CLM_PMT_DNL_CD","Carrier Claim Payment Denial Code","Char",2,14,"MSP cost avoided - Workman攕 Compensation (WC) Datamatch"
"CARR_CLM_PMT_DNL_CD","Carrier Claim Payment Denial Code","Char",2,17,"MSP cost avoided - No-Fault Insurer VDSA (eff.4/2006)"
"CARR_CLM_PMT_DNL_CD","Carrier Claim Payment Denial Code","Char",2,21,"MSP cost avoided - MIR Group Health Plan (eff.1/2009)"
"CARR_CLM_PMT_DNL_CD","Carrier Claim Payment Denial Code","Char",2,22,"MSP cost avoided - MIR non-Group Health Plan (eff.1/2009)"
"CARR_CLM_PMT_DNL_CD","Carrier Claim Payment Denial Code","Char",2,26,"MSP cost avoided - Recovery Audit Contractor - Florida (eff.10/2005)"
"CARR_CLM_PMT_DNL_CD","Carrier Claim Payment Denial Code","Char",2,"A","Beneficiary under limitation of liability"
"CARR_CLM_PMT_DNL_CD","Carrier Claim Payment Denial Code","Char",2,"B","Physician/supplier under limitation of liability"
"CARR_CLM_PMT_DNL_CD","Carrier Claim Payment Denial Code","Char",2,"D","Denied due to demonstration involvement (eff. 5/97)"
"CARR_CLM_PMT_DNL_CD","Carrier Claim Payment Denial Code","Char",2,"E","MSP cost avoided IRS/SSA/HCFA Data Match (eff. 7/3/00)"
"CARR_CLM_PMT_DNL_CD","Carrier Claim Payment Denial Code","Char",2,"F","MSP cost avoided HMO Rate Cell (eff. 7/3/00)"
"CARR_CLM_PMT_DNL_CD","Carrier Claim Payment Denial Code","Char",2,"G","MSP cost avoided Litigation Settlement (eff. 7/3/00)"
"CARR_CLM_PMT_DNL_CD","Carrier Claim Payment Denial Code","Char",2,"H","MSP cost avoided Employer Voluntary Reporting (eff. 7/3/00)"
"CARR_CLM_PMT_DNL_CD","Carrier Claim Payment Denial Code","Char",2,"J","MSP cost avoided Insurer Voluntary Reporting (eff. 7/3/00)"
"CARR_CLM_PMT_DNL_CD","Carrier Claim Payment Denial Code","Char",2,"K","MSP cost avoided Initial Enrollment Questionnaire (eff. 7/3/00)"
"CARR_CLM_PMT_DNL_CD","Carrier Claim Payment Denial Code","Char",2,"Q","MSP cost avoided - (Contractor #88888) voluntary agreement (eff. 1/98)"
"CARR_CLM_PMT_DNL_CD","Carrier Claim Payment Denial Code","Char",2,"T","MSP cost avoided - IEQ contractor (eff. 7/96) (obsolete 6/30/00)"
"CARR_CLM_PMT_DNL_CD","Carrier Claim Payment Denial Code","Char",2,"U","MSP cost avoided - HMO rate cell adjustment (eff. 7/96) (obsolete 6/30/00)"
"CARR_CLM_PMT_DNL_CD","Carrier Claim Payment Denial Code","Char",2,"V","MSP cost avoided - litigation settlement (eff. 7/96) (obsolete 6/30/00)"
"CARR_CLM_PMT_DNL_CD","Carrier Claim Payment Denial Code","Char",2,"X","MSP cost avoided - generic"
"CARR_CLM_PMT_DNL_CD","Carrier Claim Payment Denial Code","Char",2,"Y","MSP cost avoided - IRS/SSA data match project (obsolete 6/30/00)"
"CLM_PMT_AMT","Claim Payment Amount","Num",8,"-","-"
"CARR_CLM_PRMRY_PYR_PD_AMT","Carrier Claim Primary Payer Paid Amount","Num",8,"-","-"
"RFR_PHYSN_UPIN","Carrier Claim Refering Physician UPIN Number","Char",12,"-","-"
"RFR_PHYSN_NPI","Carrier Claim Refering Physician NPI Number","Char",12,"-","-"
"CARR_CLM_PRVDR_ASGNMT_IND_SW","Carrier Claim Provider Assignment Indicator Switch","Char",1,"A","Assigned claim"
"CARR_CLM_PRVDR_ASGNMT_IND_SW","Carrier Claim Provider Assignment Indicator Switch","Char",1,"N","Non-assigned claim"
"NCH_CLM_PRVDR_PMT_AMT","NCH Claim Provider Payment Amount","Num",8,"-","-"
"NCH_CLM_BENE_PMT_AMT","NCH Claim Beneficiary Payment Amount","Num",8,"-","-"
"NCH_CARR_CLM_SBMTD_CHRG_AMT","NCH Carrier Claim Submitted Charge Amount","Num",8,"-","-"
"NCH_CARR_CLM_ALOWD_AMT","NCH Carrier Claim Allowed Charge Amount","Num",8,"-","-"
"CARR_CLM_CASH_DDCTBL_APLD_AMT","Carrier Claim Cash Deductible Applied Amount","Num",8,"-","-"
"CARR_CLM_HCPCS_YR_CD","Carrier Claim HCPCS Year Code","Char",1,"-","-"
"CARR_CLM_RFRNG_PIN_NUM","Carrier Claim Referring PIN Number","Char",14,"-","-"
"PRNCPAL_DGNS_CD","Primary Claim Diagnosis Code","Char",7,"-","-"
"PRNCPAL_DGNS_VRSN_CD","Primary Claim Diagnosis Code Diagnosis Version Code (ICD-9 or ICD-10)","Char",1,"-","-"
"ICD_DGNS_CD1","Claim Diagnosis Code I","Char",7,"-","-"
"ICD_DGNS_VRSN_CD1","Claim Diagnosis Code I Diagnosis Version Code (ICD-9 or ICD-10)","Char",1,"**OTHER**","Miscoded"
"ICD_DGNS_VRSN_CD1","Claim Diagnosis Code I Diagnosis Version Code (ICD-9 or ICD-10)","Char",1,9,"ICD-9"
"ICD_DGNS_CD2","Claim Diagnosis Code II","Char",7,"-","-"
"ICD_DGNS_VRSN_CD2","Claim Diagnosis Code II Diagnosis Version Code (ICD-9 or ICD-10)","Char",1,"**OTHER**","Miscoded"
"ICD_DGNS_VRSN_CD2","Claim Diagnosis Code II Diagnosis Version Code (ICD-9 or ICD-10)","Char",1,9,"ICD-9"
"ICD_DGNS_CD3","Claim Diagnosis Code III","Char",7,"-","-"
"ICD_DGNS_VRSN_CD3","Claim Diagnosis Code III Diagnosis Version Code (ICD-9 or ICD-10)","Char",1,"**OTHER**","Miscoded"
"ICD_DGNS_VRSN_CD3","Claim Diagnosis Code III Diagnosis Version Code (ICD-9 or ICD-10)","Char",1,9,"ICD-9"
"ICD_DGNS_CD4","Claim Diagnosis Code IV","Char",7,"-","-"
"ICD_DGNS_VRSN_CD4","Claim Diagnosis Code IV Diagnosis Version Code (ICD-9 or ICD-10)","Char",1,"**OTHER**","Miscoded"
"ICD_DGNS_VRSN_CD4","Claim Diagnosis Code IV Diagnosis Version Code (ICD-9 or ICD-10)","Char",1,9,"ICD-9"
"ICD_DGNS_CD5","Claim Diagnosis Code V","Char",7,"-","-"
"ICD_DGNS_VRSN_CD5","Claim Diagnosis Code V Diagnosis Version Code (ICD-9 or ICD-10)","Char",1,"**OTHER**","Miscoded"
"ICD_DGNS_VRSN_CD5","Claim Diagnosis Code V Diagnosis Version Code (ICD-9 or ICD-10)","Char",1,9,"ICD-9"
"ICD_DGNS_CD6","Claim Diagnosis Code VI","Char",7,"-","-"
"ICD_DGNS_VRSN_CD6","Claim Diagnosis Code VI Diagnosis Version Code (ICD-9 or ICD-10)","Char",1,"**OTHER**","Miscoded"
"ICD_DGNS_VRSN_CD6","Claim Diagnosis Code VI Diagnosis Version Code (ICD-9 or ICD-10)","Char",1,9,"ICD-9"
"ICD_DGNS_CD7","Claim Diagnosis Code VII","Char",7,"-","-"
"ICD_DGNS_VRSN_CD7","Claim Diagnosis Code VII Diagnosis Version Code (ICD-9 or ICD-10)","Char",1,"**OTHER**","Miscoded"
"ICD_DGNS_VRSN_CD7","Claim Diagnosis Code VII Diagnosis Version Code (ICD-9 or ICD-10)","Char",1,9,"ICD-9"
"ICD_DGNS_CD8","Claim Diagnosis Code VIII","Char",7,"-","-"
"ICD_DGNS_VRSN_CD8","Claim Diagnosis Code VIII Diagnosis Version Code (ICD-9 or ICD-10)","Char",1,"**OTHER**","Miscoded"
"ICD_DGNS_VRSN_CD8","Claim Diagnosis Code VIII Diagnosis Version Code (ICD-9 or ICD-10)","Char",1,9,"ICD-9"
"ICD_DGNS_CD9","Claim Diagnosis Code IX","Char",7,"-","-"
"ICD_DGNS_VRSN_CD9","Claim Diagnosis Code IX Diagnosis Version Code (ICD-9 or ICD-10)","Char",1,"**OTHER**","Miscoded"
"ICD_DGNS_VRSN_CD9","Claim Diagnosis Code IX Diagnosis Version Code (ICD-9 or ICD-10)","Char",1,9,"ICD-9"
"ICD_DGNS_CD10","Claim Diagnosis Code X","Char",7,"-","-"
"ICD_DGNS_VRSN_CD10","Claim Diagnosis Code X Diagnosis Version Code (ICD-9 or ICD-10)","Char",1,"**OTHER**","Miscoded"
"ICD_DGNS_VRSN_CD10","Claim Diagnosis Code X Diagnosis Version Code (ICD-9 or ICD-10)","Char",1,9,"ICD-9"
"ICD_DGNS_CD11","Claim Diagnosis Code XI","Char",7,"-","-"
"ICD_DGNS_VRSN_CD11","Claim Diagnosis Code XI Diagnosis Version Code (ICD-9 or ICD-10)","Char",1,"**OTHER**","Miscoded"
"ICD_DGNS_VRSN_CD11","Claim Diagnosis Code XI Diagnosis Version Code (ICD-9 or ICD-10)","Char",1,9,"ICD-9"
"ICD_DGNS_CD12","Claim Diagnosis Code XII","Char",7,"-","-"
"ICD_DGNS_VRSN_CD12","Claim Diagnosis Code XII Diagnosis Version Code (ICD-9 or ICD-10)","Char",1,"**OTHER**","Miscoded"
"ICD_DGNS_VRSN_CD12","Claim Diagnosis Code XII Diagnosis Version Code (ICD-9 or ICD-10)","Char",1,9,"ICD-9"
"CLM_CLNCL_TRIL_NUM","Clinical Trial Number","Char",8,"-","-"
"DOB_DT","Date of Birth from Claim (Date)","Num",4,"-","-"
"GNDR_CD","Gender Code from Claim","Char",1,"**OTHER**","Miscoded"
"GNDR_CD","Gender Code from Claim","Char",1,0,"Unknown"
"GNDR_CD","Gender Code from Claim","Char",1,1,"Male"
"GNDR_CD","Gender Code from Claim","Char",1,2,"Female"
"BENE_RACE_CD","Race Code from Claim","Char",1,"**OTHER**","Miscoded"
"BENE_RACE_CD","Race Code from Claim","Char",1,0,"Unknown"
"BENE_RACE_CD","Race Code from Claim","Char",1,1,"White"
"BENE_RACE_CD","Race Code from Claim","Char",1,2,"Black"
"BENE_RACE_CD","Race Code from Claim","Char",1,3,"Other"
"BENE_RACE_CD","Race Code from Claim","Char",1,4,"Asian"
"BENE_RACE_CD","Race Code from Claim","Char",1,5,"Hispanic"
"BENE_RACE_CD","Race Code from Claim","Char",1,6,"North American Native"
"BENE_CNTY_CD","County Code from Claim (SSA)","Char",3,"-","-"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,"**OTHER**","Miscoded"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,01,"Alabama"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,02,"Alaska"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,03,"Arizona"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,04,"Arkansas"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,05,"California"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,06,"Colorado"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,07,"Connecticut"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,08,"Delaware"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,09,"District of Columbia"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,10,"Florida"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,11,"Georgia"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,12,"Hawaii"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,13,"Idaho"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,14,"Illinois"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,15,"Indiana"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,16,"Iowa"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,17,"Kansas"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,18,"Kentucky"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,19,"Louisiana"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,20,"Maine"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,21,"Maryland"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,22,"Massachusetts"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,23,"Michigan"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,24,"Minnesota"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,25,"Mississippi"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,26,"Missouri"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,27,"Montana"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,28,"Nebraska"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,29,"Nevada"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,30,"New Hampshire"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,31,"New Jersey"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,32,"New Mexico"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,33,"New York"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,34,"North Carolina"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,35,"North Dakota"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,36,"Ohio"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,37,"Oklahoma"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,38,"Oregon"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,39,"Pennsylvania"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,40,"Puerto Rico"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,41,"Rhode Island"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,42,"South Carolina"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,43,"South Dakota"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,44,"Tennessee"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,45,"Texas"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,46,"Utah"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,47,"Vermont"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,48,"Virgin Islands"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,49,"Virginia"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,50,"Washington"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,51,"West Virginia"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,52,"Wisconsin"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,53,"Wyoming"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,54,"Africa"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,55,"Asia"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,56,"Canada"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,57,"Central America and West Indies"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,58,"Europe"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,59,"Mexico"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,60,"Oceania"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,61,"Philippines"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,62,"South America"
"BENE_STATE_CD","State Code from Claim (SSA)","Char",2,99,"American Samoa"
"BENE_MLG_CNTCT_ZIP_CD","Zip Code of Residence from Claim","Char",9,"-","-"

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