"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,"-","-"
"CLM_THRU_DT","Claim Through Date  (Determines Year of Claim)","Num",4,"-","-"
"CLM_LINE_NUM","Claim Line Number","Num",8,"-","-"
"NCH_CLM_TYPE_CD","NCH Claim Type Code","Char",2,10,"HHA claim"
"REV_CNTR","Revenue Center Code","Char",4,"**OTHER**","Miscoded"
"REV_CNTR","Revenue Center Code","Char",4,0001,"Total charge"
"REV_CNTR","Revenue Center Code","Char",4,0023,"Home Health services paid under PPS submitted as TOB 32X and 33X, effective 10/00.  This code may appear multiple times on a claim to identify different HIPPS/Home Health Resource Groups (HRG)."
"REV_CNTR","Revenue Center Code","Char",4,0121,"Semi-private 2 bed (medical or general) medical/surgical/GYN"
"REV_CNTR","Revenue Center Code","Char",4,0270,"Medical/surgical supplies-general classification (also see 062X)"
"REV_CNTR","Revenue Center Code","Char",4,0271,"Medical/surgical supplies-nonsterile supply"
"REV_CNTR","Revenue Center Code","Char",4,0272,"Medical/surgical supplies-sterile supply"
"REV_CNTR","Revenue Center Code","Char",4,0273,"Medical/surgical supplies-take home supplies"
"REV_CNTR","Revenue Center Code","Char",4,0274,"Medical/surgical supplies-prosthetic/orthotic devices"
"REV_CNTR","Revenue Center Code","Char",4,0277,"Medical/surgical supplies-oxygen-take home"
"REV_CNTR","Revenue Center Code","Char",4,0279,"Medical/surgical supplies-other devices"
"REV_CNTR","Revenue Center Code","Char",4,0291,"DME (other than renal)-rental"
"REV_CNTR","Revenue Center Code","Char",4,0292,"DME (other than renal)-purchase of new DME"
"REV_CNTR","Revenue Center Code","Char",4,0294,"DME (other than renal)-related to and listed as DME"
"REV_CNTR","Revenue Center Code","Char",4,0299,"DME (other than renal)-other"
"REV_CNTR","Revenue Center Code","Char",4,0420,"Physical therapy-general classification"
"REV_CNTR","Revenue Center Code","Char",4,0421,"Physical therapy-visit charge"
"REV_CNTR","Revenue Center Code","Char",4,0422,"Physical therapy-hourly charge"
"REV_CNTR","Revenue Center Code","Char",4,0423,"Physical therapy-group rate"
"REV_CNTR","Revenue Center Code","Char",4,0424,"Physical therapy-evaluation or re-evaluation"
"REV_CNTR","Revenue Center Code","Char",4,0429,"Physical therapy-other"
"REV_CNTR","Revenue Center Code","Char",4,0430,"Occupational therapy-general classification"
"REV_CNTR","Revenue Center Code","Char",4,0431,"Occupational therapy-visit charge"
"REV_CNTR","Revenue Center Code","Char",4,0432,"Occupational therapy-hourly charge"
"REV_CNTR","Revenue Center Code","Char",4,0433,"Occupational therapy-group rate"
"REV_CNTR","Revenue Center Code","Char",4,0434,"Occupational therapy-evaluation or re-evaluation"
"REV_CNTR","Revenue Center Code","Char",4,0439,"Occupational therapy-other (may include restorative therapy)"
"REV_CNTR","Revenue Center Code","Char",4,0440,"Speech language pathology-general classification"
"REV_CNTR","Revenue Center Code","Char",4,0441,"Speech language pathology-visit charge"
"REV_CNTR","Revenue Center Code","Char",4,0442,"Speech language pathology-hourly charge"
"REV_CNTR","Revenue Center Code","Char",4,0443,"Speech language pathology-group rate"
"REV_CNTR","Revenue Center Code","Char",4,0444,"Speech language pathology-evaluation or re-evaluation"
"REV_CNTR","Revenue Center Code","Char",4,0511,"Clinic-chronic pain center"
"REV_CNTR","Revenue Center Code","Char",4,0513,"Clinic-psychiatric"
"REV_CNTR","Revenue Center Code","Char",4,0522,"Free-standing clinic-Home visit by RHC/FQHC practitioner (eff. 7/1/06).  Prior to 7/1/06 - Rural Health-Home"
"REV_CNTR","Revenue Center Code","Char",4,0541,"Ambulance-supplies"
"REV_CNTR","Revenue Center Code","Char",4,0550,"Skilled nursing-general classification"
"REV_CNTR","Revenue Center Code","Char",4,0551,"Skilled nursing-visit charge"
"REV_CNTR","Revenue Center Code","Char",4,0552,"Skilled nursing-hourly charge"
"REV_CNTR","Revenue Center Code","Char",4,0559,"Skilled nursing-other"
"REV_CNTR","Revenue Center Code","Char",4,0560,"Medical social services-general classification"
"REV_CNTR","Revenue Center Code","Char",4,0561,"Medical social services-visit charge"
"REV_CNTR","Revenue Center Code","Char",4,0562,"Medical social services-hourly charges"
"REV_CNTR","Revenue Center Code","Char",4,0569,"Medical social services-other"
"REV_CNTR","Revenue Center Code","Char",4,0570,"Home health aid (home health)-general classification"
"REV_CNTR","Revenue Center Code","Char",4,0571,"Home health aid (home health)-visit charge"
"REV_CNTR","Revenue Center Code","Char",4,0572,"Home health aid (home health)-hourly charge"
"REV_CNTR","Revenue Center Code","Char",4,0579,"Home health aid (home health)-other"
"REV_CNTR","Revenue Center Code","Char",4,0580,"Other visits (home health)-general classification (under HHPPS, not allowed as covered charges)"
"REV_CNTR","Revenue Center Code","Char",4,0581,"Other visits (home health)-visit charge (under HHPPS, not allowed as covered charges)"
"REV_CNTR","Revenue Center Code","Char",4,0582,"Other visits (home health)-hourly charge (under HHPPS, not allowed as covered charges)"
"REV_CNTR","Revenue Center Code","Char",4,0589,"Other visits (home health)-other (under HHPPS, not allowed as covered charges)"
"REV_CNTR","Revenue Center Code","Char",4,0599,"Units of service (home health)-other (under HHPPS, not allowed as covered charges)"
"REV_CNTR","Revenue Center Code","Char",4,0601,"Oxygen/Home Health-stat or port equip/supply or count"
"REV_CNTR","Revenue Center Code","Char",4,0604,"Oxygen/Home Health-stat/equip/portable add-on"
"REV_CNTR","Revenue Center Code","Char",4,0623,"Medical/surgical supplies-surgical dressings (eff 1/95) - extension of 027X"
"REV_CNTR","Revenue Center Code","Char",4,0640,"Home IV therapy-general classification (eff 10/94)"
"REV_CNTR","Revenue Center Code","Char",4,0651,"Hospice services-routine home care"
"REV_CNTR","Revenue Center Code","Char",4,0989,"Professional fees-private duty nurse"
"REV_CNTR","Revenue Center Code","Char",4,0999,"Patient convenience items-other"
"REV_CNTR_DT","Revenue Center Date","Num",4,"-","-"
"REV_CNTR_1ST_ANSI_CD","Revenue Center 1st ANSI Code","Char",5,"-","-"
"REV_CNTR_APC_HIPPS_CD","Revenue Center APC/HIPPS","Char",5,"-","-"
"HCPCS_CD","Revenue Center Healthcare Common Procedure Coding System","Char",5,"-","-"
"HCPCS_1ST_MDFR_CD","Revenue Center HCPCS Initial Modifier Code","Char",5,"-","-"
"HCPCS_2ND_MDFR_CD","Revenue Center HCPCS Second Modifier Code","Char",5,"-","-"
"REV_CNTR_PMT_MTHD_IND_CD","Revenue Center Payment Method Indicator Code","Char",2,"**OTHER**","Miscoded"
"REV_CNTR_PMT_MTHD_IND_CD","Revenue Center Payment Method Indicator Code","Char",2,1,"Paid standard hospital OPPS amount (status indicators K, S,T,V,X)"
"REV_CNTR_PMT_MTHD_IND_CD","Revenue Center Payment Method Indicator Code","Char",2,2,"Services not paid under OPPS (status indicator A, or no HCPCS code and not certain revenue center codes)"
"REV_CNTR_PMT_MTHD_IND_CD","Revenue Center Payment Method Indicator Code","Char",2,3,"Not paid (status indicator M,W,Y,E) or not paid under OPPS (status indicator B,C & Z)"
"REV_CNTR_PMT_MTHD_IND_CD","Revenue Center Payment Method Indicator Code","Char",2,9,"No additional payment, payment included in line items with APCs (status indicator N, or no HCPCS code and certain revenue center codes, or HCPCS codes G0176 (activity therapy), G0129 (occupational the"
"REV_CNTR_PMT_MTHD_IND_CD","Revenue Center Payment Method Indicator Code","Char",2,"A","Services not paid under OPPS"
"REV_CNTR_PMT_MTHD_IND_CD","Revenue Center Payment Method Indicator Code","Char",2,"P","Partial hospitalization services"
"REV_CNTR_UNIT_CNT","Revenue Center Unit Count","Num",8,"-","-"
"REV_CNTR_RATE_AMT","Revenue Center Rate Amount","Num",8,"-","-"
"REV_CNTR_PMT_AMT_AMT","Revenue Center Payment Amount Amount","Num",8,"-","-"
"REV_CNTR_TOT_CHRG_AMT","Revenue Center Total Charge Amount","Num",8,"-","-"
"REV_CNTR_NCVRD_CHRG_AMT","Revenue Center Non-Covered Charge Amount","Num",8,"-","-"
"REV_CNTR_DDCTBL_COINSRNC_CD","Revenue Center Deductible Coinsurance Code","Char",1,"**OTHER**","Miscoded"
"REV_CNTR_DDCTBL_COINSRNC_CD","Revenue Center Deductible Coinsurance Code","Char",1,0,"Charges are subject to deductible and coinsurance"
"REV_CNTR_DDCTBL_COINSRNC_CD","Revenue Center Deductible Coinsurance Code","Char",1,1,"Charges are not subject to deductible"
"REV_CNTR_DDCTBL_COINSRNC_CD","Revenue Center Deductible Coinsurance Code","Char",1,3,"Charges are not subject to deductible or coinsurance"
"REV_CNTR_STUS_IND_CD","Revenue Center Status Indicator Code","Char",2,"**OTHER**","Miscoded"
"REV_CNTR_STUS_IND_CD","Revenue Center Status Indicator Code","Char",2,"A","Services not paid under OPPS"
"REV_CNTR_STUS_IND_CD","Revenue Center Status Indicator Code","Char",2,"B","Non-allowed item or service for OPPS"
"REV_CNTR_STUS_IND_CD","Revenue Center Status Indicator Code","Char",2,"E","Non-allowed item or service"
"REV_CNTR_STUS_IND_CD","Revenue Center Status Indicator Code","Char",2,"M","Service not billable to FI"
"REV_CNTR_STUS_IND_CD","Revenue Center Status Indicator Code","Char",2,"N","Packaged incidental service"
"REV_CNTR_STUS_IND_CD","Revenue Center Status Indicator Code","Char",2,"P","Paid partial hospitalization per diem"
"REV_CNTR_STUS_IND_CD","Revenue Center Status Indicator Code","Char",2,"S","Significant procedure not subject to multiple procedure discounting"
"REV_CNTR_STUS_IND_CD","Revenue Center Status Indicator Code","Char",2,"T","Significant procedure subject to multiple procedure discounting"
"REV_CNTR_STUS_IND_CD","Revenue Center Status Indicator Code","Char",2,"V","Medical visit to clinic or emergency department"
"REV_CNTR_STUS_IND_CD","Revenue Center Status Indicator Code","Char",2,"W","Invalid HCPCS or invalid revenue code with blank HCPCS"
"REV_CNTR_STUS_IND_CD","Revenue Center Status Indicator Code","Char",2,"Y","Non-implantable DME, Therapeutic shoes"
"REV_CNTR_STUS_IND_CD","Revenue Center Status Indicator Code","Char",2,"Z","Valid revenue with blank HCPCS and no other SI assigned"
"REV_CNTR_NDC_QTY","Revenue Center NDC Quantity","Num",8,"-","-"
"REV_CNTR_NDC_QTY_QLFR_CD","Revenue Center NDC Quantity Qualifier Code","Char",2,"-","Miscoded"
"RNDRNG_PHYSN_UPIN","Revenue Center Rendering Physician UPIN","Char",12,"-","-"
"RNDRNG_PHYSN_NPI","Revenue Center Rendering Physician NPI","Char",12,"-","-"
"CLM_SPAN_CD",,"Char",273,"**OTHER**","Miscoded"