Data Set Name: NRD_2012_CORE_V2 Created on 09/28/2017 Number of Observations: 13459216 Total Number of Data Elements: 122 Columns Description ======== =========== 1 - 4 Database name 6 - 9 Discharge year of data 11 - 24 File name 26 - 28 Data element number 30 - 48 Data element name 50 Length of data element 53 Non-zero number of digits after decimal point for numeric data element 55 - 58 Data element type (Num=numeric; Char=character) 60 - 159 Data element label NRD 2012 Core_V2 1 AGE 3 Num Age in years at admission NRD 2012 Core_V2 2 AWEEKEND 2 Num Admission day is a weekend NRD 2012 Core_V2 3 DIED 2 Num Died during hospitalization NRD 2012 Core_V2 4 DISCWT 11.7 Num Weight to discharges in AHA universe NRD 2012 Core_V2 5 DISPUNIFORM 2 Num Disposition of patient (uniform) NRD 2012 Core_V2 6 DMONTH 2 Num Discharge month NRD 2012 Core_V2 7 DQTR 2 Num Discharge quarter NRD 2012 Core_V2 8 DRG 3 Num DRG in effect on discharge date NRD 2012 Core_V2 9 DRGVER 2 Num DRG grouper version used on discharge date NRD 2012 Core_V2 10 DRG_NoPOA 3 Num DRG in use on discharge date, calculated without POA NRD 2012 Core_V2 11 DX1 5 Char Diagnosis 1 NRD 2012 Core_V2 12 DX2 5 Char Diagnosis 2 NRD 2012 Core_V2 13 DX3 5 Char Diagnosis 3 NRD 2012 Core_V2 14 DX4 5 Char Diagnosis 4 NRD 2012 Core_V2 15 DX5 5 Char Diagnosis 5 NRD 2012 Core_V2 16 DX6 5 Char Diagnosis 6 NRD 2012 Core_V2 17 DX7 5 Char Diagnosis 7 NRD 2012 Core_V2 18 DX8 5 Char Diagnosis 8 NRD 2012 Core_V2 19 DX9 5 Char Diagnosis 9 NRD 2012 Core_V2 20 DX10 5 Char Diagnosis 10 NRD 2012 Core_V2 21 DX11 5 Char Diagnosis 11 NRD 2012 Core_V2 22 DX12 5 Char Diagnosis 12 NRD 2012 Core_V2 23 DX13 5 Char Diagnosis 13 NRD 2012 Core_V2 24 DX14 5 Char Diagnosis 14 NRD 2012 Core_V2 25 DX15 5 Char Diagnosis 15 NRD 2012 Core_V2 26 DX16 5 Char Diagnosis 16 NRD 2012 Core_V2 27 DX17 5 Char Diagnosis 17 NRD 2012 Core_V2 28 DX18 5 Char Diagnosis 18 NRD 2012 Core_V2 29 DX19 5 Char Diagnosis 19 NRD 2012 Core_V2 30 DX20 5 Char Diagnosis 20 NRD 2012 Core_V2 31 DX21 5 Char Diagnosis 21 NRD 2012 Core_V2 32 DX22 5 Char Diagnosis 22 NRD 2012 Core_V2 33 DX23 5 Char Diagnosis 23 NRD 2012 Core_V2 34 DX24 5 Char Diagnosis 24 NRD 2012 Core_V2 35 DX25 5 Char Diagnosis 25 NRD 2012 Core_V2 36 DXCCS1 3 Num CCS: diagnosis 1 NRD 2012 Core_V2 37 DXCCS2 3 Num CCS: diagnosis 2 NRD 2012 Core_V2 38 DXCCS3 3 Num CCS: diagnosis 3 NRD 2012 Core_V2 39 DXCCS4 3 Num CCS: diagnosis 4 NRD 2012 Core_V2 40 DXCCS5 3 Num CCS: diagnosis 5 NRD 2012 Core_V2 41 DXCCS6 3 Num CCS: diagnosis 6 NRD 2012 Core_V2 42 DXCCS7 3 Num CCS: diagnosis 7 NRD 2012 Core_V2 43 DXCCS8 3 Num CCS: diagnosis 8 NRD 2012 Core_V2 44 DXCCS9 3 Num CCS: diagnosis 9 NRD 2012 Core_V2 45 DXCCS10 3 Num CCS: diagnosis 10 NRD 2012 Core_V2 46 DXCCS11 3 Num CCS: diagnosis 11 NRD 2012 Core_V2 47 DXCCS12 3 Num CCS: diagnosis 12 NRD 2012 Core_V2 48 DXCCS13 3 Num CCS: diagnosis 13 NRD 2012 Core_V2 49 DXCCS14 3 Num CCS: diagnosis 14 NRD 2012 Core_V2 50 DXCCS15 3 Num CCS: diagnosis 15 NRD 2012 Core_V2 51 DXCCS16 3 Num CCS: diagnosis 16 NRD 2012 Core_V2 52 DXCCS17 3 Num CCS: diagnosis 17 NRD 2012 Core_V2 53 DXCCS18 3 Num CCS: diagnosis 18 NRD 2012 Core_V2 54 DXCCS19 3 Num CCS: diagnosis 19 NRD 2012 Core_V2 55 DXCCS20 3 Num CCS: diagnosis 20 NRD 2012 Core_V2 56 DXCCS21 3 Num CCS: diagnosis 21 NRD 2012 Core_V2 57 DXCCS22 3 Num CCS: diagnosis 22 NRD 2012 Core_V2 58 DXCCS23 3 Num CCS: diagnosis 23 NRD 2012 Core_V2 59 DXCCS24 3 Num CCS: diagnosis 24 NRD 2012 Core_V2 60 DXCCS25 3 Num CCS: diagnosis 25 NRD 2012 Core_V2 61 ECODE1 5 Char E code 1 NRD 2012 Core_V2 62 ECODE2 5 Char E code 2 NRD 2012 Core_V2 63 ECODE3 5 Char E code 3 NRD 2012 Core_V2 64 ECODE4 5 Char E code 4 NRD 2012 Core_V2 65 ELECTIVE 2 Num Elective versus non-elective admission NRD 2012 Core_V2 66 E_CCS1 4 Num CCS: E Code 1 NRD 2012 Core_V2 67 E_CCS2 4 Num CCS: E Code 2 NRD 2012 Core_V2 68 E_CCS3 4 Num CCS: E Code 3 NRD 2012 Core_V2 69 E_CCS4 4 Num CCS: E Code 4 NRD 2012 Core_V2 70 FEMALE 2 Num Indicator of sex NRD 2012 Core_V2 71 HCUP_ED 2 Num HCUP Emergency Department service indicator NRD 2012 Core_V2 72 HOSP_NRD 5 Num NRD hospital identifier NRD 2012 Core_V2 73 KEY_NRD 15 Num NRD record identifier NRD 2012 Core_V2 74 LOS 5 Num Length of stay (cleaned) NRD 2012 Core_V2 75 MDC 2 Num MDC in effect on discharge date NRD 2012 Core_V2 76 MDC_NoPOA 2 Num MDC in use on discharge date, calculated without POA NRD 2012 Core_V2 77 NCHRONIC 2 Num Number of chronic conditions NRD 2012 Core_V2 78 NDX 3 Num Number of diagnoses on this record NRD 2012 Core_V2 79 NECODE 3 Num Number of E codes on this record NRD 2012 Core_V2 80 NPR 3 Num Number of procedures on this record NRD 2012 Core_V2 81 NRD_DaysToEvent 10 Num Timing variable used to identify days between admissions NRD 2012 Core_V2 82 NRD_STRATUM 5 Num NRD stratum used for weighting NRD 2012 Core_V2 83 NRD_VisitLink 7 Char NRD visitlink NRD 2012 Core_V2 84 ORPROC 2 Num Major operating room procedure indicator NRD 2012 Core_V2 85 PAY1 2 Num Primary expected payer (uniform) NRD 2012 Core_V2 86 PL_NCHS2006 3 Num Patient Location: NCHS Urban-Rural Code (V2006) NRD 2012 Core_V2 87 PR1 4 Char Procedure 1 NRD 2012 Core_V2 88 PR2 4 Char Procedure 2 NRD 2012 Core_V2 89 PR3 4 Char Procedure 3 NRD 2012 Core_V2 90 PR4 4 Char Procedure 4 NRD 2012 Core_V2 91 PR5 4 Char Procedure 5 NRD 2012 Core_V2 92 PR6 4 Char Procedure 6 NRD 2012 Core_V2 93 PR7 4 Char Procedure 7 NRD 2012 Core_V2 94 PR8 4 Char Procedure 8 NRD 2012 Core_V2 95 PR9 4 Char Procedure 9 NRD 2012 Core_V2 96 PR10 4 Char Procedure 10 NRD 2012 Core_V2 97 PR11 4 Char Procedure 11 NRD 2012 Core_V2 98 PR12 4 Char Procedure 12 NRD 2012 Core_V2 99 PR13 4 Char Procedure 13 NRD 2012 Core_V2 100 PR14 4 Char Procedure 14 NRD 2012 Core_V2 101 PR15 4 Char Procedure 15 NRD 2012 Core_V2 102 PRCCS1 3 Num CCS: procedure 1 NRD 2012 Core_V2 103 PRCCS2 3 Num CCS: procedure 2 NRD 2012 Core_V2 104 PRCCS3 3 Num CCS: procedure 3 NRD 2012 Core_V2 105 PRCCS4 3 Num CCS: procedure 4 NRD 2012 Core_V2 106 PRCCS5 3 Num CCS: procedure 5 NRD 2012 Core_V2 107 PRCCS6 3 Num CCS: procedure 6 NRD 2012 Core_V2 108 PRCCS7 3 Num CCS: procedure 7 NRD 2012 Core_V2 109 PRCCS8 3 Num CCS: procedure 8 NRD 2012 Core_V2 110 PRCCS9 3 Num CCS: procedure 9 NRD 2012 Core_V2 111 PRCCS10 3 Num CCS: procedure 10 NRD 2012 Core_V2 112 PRCCS11 3 Num CCS: procedure 11 NRD 2012 Core_V2 113 PRCCS12 3 Num CCS: procedure 12 NRD 2012 Core_V2 114 PRCCS13 3 Num CCS: procedure 13 NRD 2012 Core_V2 115 PRCCS14 3 Num CCS: procedure 14 NRD 2012 Core_V2 116 PRCCS15 3 Num CCS: procedure 15 NRD 2012 Core_V2 117 REHABTRANSFER 2 Num A combined record involving rehab transfer NRD 2012 Core_V2 118 RESIDENT 2 Num Patient State is the same as Hospital State NRD 2012 Core_V2 119 SAMEDAYEVENT 2 Char Transfer flag indicating combination of discharges involve same day events NRD 2012 Core_V2 120 TOTCHG 10 Num Total charges (cleaned) NRD 2012 Core_V2 121 YEAR 4 Num Calendar year NRD 2012 Core_V2 122 ZIPINC_QRTL 2 Num Median household income national quartile for patient ZIP Code