"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_CLM_TYPE_CD","NCH Claim Type Code","Char",2,10,"HHA claim"
"RLT_OCRNC_CD_SEQ","Claim Related Occurrence Code Sequence","Char",2,"-","-"
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,"**OTHER**","Miscoded"
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,01,"Auto accident - The date of an auto accident."
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,02,"No-fault insurance involved, including auto accident/other - The date of an accident where the state has applicable no-fault liability laws, (i.e., legal basis for settlement without admission or proo"
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,03,"Accident/tort liability - The date of an accident resulting from a third party's action that may involve a civil court process in an attempt to require payment by the third party, other than no-fault"
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,04,"Accident/employment related - The date of an accident relating to the patient's employment."
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,05,"Other accident - The date of an accident not described by the codes 01 thru 04."
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,06,"Crime victim - Code indicating the date on which a medical condition resulted from alleged criminal action committed by one or more parties."
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,07,"Reserved for national assignment."
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,08,"Reserved for national assignment."
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,11,"Onset of symptoms/illness - The date the patient first became aware of symptoms/illness."
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,12,"Date of onset for a chronically dependent individual - Code indicates the date the patient/bene became a chronically dependent individual."
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,13,"Reserved for national assignment."
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,14,"Reserved for national assignment."
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,15,"Reserved for national assignment."
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,16,"Reserved for national assignment."
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,17,"Date outpatient occupational therapy plan established or last reviewed - Code indicating the date an occupational therapy plan was established or last reviewed (eff 3/93)"
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,18,"Date of retirement (patient/bene) - Code indicates the date of retirement for the patient/bene."
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,19,"Date of retirement spouse - Code indicates the date of retirement for the patient's spouse."
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,23,"Cancellation of Hospice benefits - The date the RHHI cancelled the hospice benefit. (eff. 10/00). NOTE: this will be different than the revocation of the hospice benefit by beneficiaries. Benefits exh"
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,24,"Date insurance denied - The date the insurer's denial of coverage was received by a higher priority payer."
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,25,"Date benefits terminated by primary payer - The date on which coverage (including worker's compensation benefits or no-fault coverage) is no longer available to the patient."
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,27,"Date of Hospice Certification or Re-Certification -- code indicates the date of certification or recertification of the hospice benefit period, beginning with the first two initial benefit periods of"
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,28,"Date comprehensive outpatient rehabilitation plan established or last reviewed - Code indicating the date a comprehensive outpatient rehabilitation plan was established or last reviewed. not used by h"
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,29,"Date OPT plan established or last reviewed - the date a plan of treatment was established for outpatient physical therapy. Not used by hospital unless owner of facility"
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,30,"Date speech pathology plan treatment established or last reviewed - The date a speech pathology plan of treatment was established or last reviewed. Not used by hospital unless owner of facility"
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,33,"First day of the Medicare coordination period for ESRD bene - During which Medicare benefits are secondary to benefits payable under an EGHP. Required only for ESRD beneficiaries."
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,35,"Date treatment started for physical therapy - Code indicates the date services were initiated by the billing provider for physical therapy."
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,40,"Scheduled date of admission - The date on which a patient will be admitted as an inpatient to the hospital. (This code may only be used on an outpatient claim.)"
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,41,"Date of First Test for Pre-admission Testing - The date on which the first outpatient diagnostic test was performed as part of a pre-admission testing (PAT) program. This code may only be used if a da"
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,42,"Date of discharge/termination of hospice care - for the final bill for hospice care. Eff 5/93, definition revised to apply only to date patient revoked hospice election."
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,44,"Date treatment started for occupational therapy - Code indicates the date services were initiated by the billing provider for occupational therapy."
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,45,"Date treatment started for speech therapy - Code indicates the date services were initiated by the billing provider for speech therapy."
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,47,"Date Cost Outlier Status Begins - code indicates that this is the first day the cost outlier threshold is reached. For Medicare purposes, a bene must have regular coinsurance and/or lifetime reserve d"
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,50,"Reserved for state assignment"
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,51,"Reserved for state assignment"
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,52,"Reserved for state assignment"
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,53,"Reserved for state assignment"
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,54,"Reserved for state assignment"
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,55,"Reserved for state assignment"
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,56,"Reserved for state assignment"
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,57,"Reserved for state assignment"
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,58,"Reserved for state assignment"
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,59,"Reserved for state assignment"
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,60,"Reserved for state assignment"
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,61,"Reserved for state assignment"
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,62,"Reserved for state assignment"
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,63,"Reserved for state assignment"
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,64,"Reserved for state assignment"
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,65,"Reserved for state assignment"
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,66,"Reserved for state assignment"
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,67,"Reserved for state assignment"
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,68,"Reserved for state assignment"
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,69,"Reserved for state assignment"
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,"A1","Birthdate, Insured A - The birthdate of the individual in whose name the insurance is carried. (Eff 10/93)"
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,"A2","Effective date, Insured A policy - A code indicating the first date insurance is in force. (eff 10/93)"
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,"A3","Benefits exhausted - Code indicating the last date for which benefits are available and after which no payment can be made to payer A. (eff 10/93)"
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,"B1","Birthdate, Insured B - The birthdate of the individual in whose name the insurance is carried. (eff 10/93)"
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,"B2","Effective date, Insured B policy - A code indicating the first date insurance is in force. (eff 10/93)"
"CLM_RLT_OCRNC_CD","Claim Related Occurrence Code","Char",2,"C1","Birthdate, Insured C - The birthdate of the individual in whose name the insurance is carried. (eff 10/93)"
"CLM_RLT_OCRNC_DT","Claim Related Occurrence Date","Num",4,"-","-"