Data Set Name: NIS_1999_SUPPLEMENTAL Number of Observations: 7198929 Total Record Length: 223 Total Number of Data Elements: 46 Columns Description ======= =========== 1- 3 Database name 5- 8 Discharge year of data 10- 25 File name 27- 29 Data element number 31- 59 Data element name 61- 63 Starting column of data element in ASCII file 65- 67 Ending column of data element in ASCII file 69 Non-zero number of digits after decimal point for numeric data element 71- 74 Data element type (Num=numeric; Char=character) 76-175 Data element label NIS 1999 Supplemental 1 TRENDWT 1 11 7 Num Trend weight to discharges in the universe NIS 1999 Supplemental 2 NDX 12 13 Num I:Number of diagnoses on this discharge NIS 1999 Supplemental 3 DXCCS1 14 16 Num CCS: principal diagnosis NIS 1999 Supplemental 4 DXCCS2 17 19 Num CCS: diagnosis 2 NIS 1999 Supplemental 5 DXCCS3 20 22 Num CCS: diagnosis 3 NIS 1999 Supplemental 6 DXCCS4 23 25 Num CCS: diagnosis 4 NIS 1999 Supplemental 7 DXCCS5 26 28 Num CCS: diagnosis 5 NIS 1999 Supplemental 8 DXCCS6 29 31 Num CCS: diagnosis 6 NIS 1999 Supplemental 9 DXCCS7 32 34 Num CCS: diagnosis 7 NIS 1999 Supplemental 10 DXCCS8 35 37 Num CCS: diagnosis 8 NIS 1999 Supplemental 11 DXCCS9 38 40 Num CCS: diagnosis 9 NIS 1999 Supplemental 12 DXCCS10 41 43 Num CCS: diagnosis 10 NIS 1999 Supplemental 13 DXCCS11 44 46 Num CCS: diagnosis 11 NIS 1999 Supplemental 14 DXCCS12 47 49 Num CCS: diagnosis 12 NIS 1999 Supplemental 15 DXCCS13 50 52 Num CCS: diagnosis 13 NIS 1999 Supplemental 16 DXCCS14 53 55 Num CCS: diagnosis 14 NIS 1999 Supplemental 17 DXCCS15 56 58 Num CCS: diagnosis 15 NIS 1999 Supplemental 18 E_CCS1 59 62 Num CCS: E Code 1 NIS 1999 Supplemental 19 E_CCS2 63 66 Num CCS: E Code 2 NIS 1999 Supplemental 20 E_CCS3 67 70 Num CCS: E Code 3 NIS 1999 Supplemental 21 E_CCS4 71 74 Num CCS: E Code 4 NIS 1999 Supplemental 22 ELECTIVE 75 76 Num Elective versus non-elective admission NIS 1999 Supplemental 23 NECODE 77 79 Num Number of E codes on this record NIS 1999 Supplemental 24 ZipInc_Qrtl 80 81 Num Median Household Income Quartiles for Patient's ZIP Code NIS 1999 Supplemental 25 KEY 82 96 Num HCUP record identifier NIS 1999 Supplemental 26 DX1 97 101 Char Principal diagnosis NIS 1999 Supplemental 27 DX2 102 106 Char Diagnosis 2 NIS 1999 Supplemental 28 DX3 107 111 Char Diagnosis 3 NIS 1999 Supplemental 29 DX4 112 116 Char Diagnosis 4 NIS 1999 Supplemental 30 DX5 117 121 Char Diagnosis 5 NIS 1999 Supplemental 31 DX6 122 126 Char Diagnosis 6 NIS 1999 Supplemental 32 DX7 127 131 Char Diagnosis 7 NIS 1999 Supplemental 33 DX8 132 136 Char Diagnosis 8 NIS 1999 Supplemental 34 DX9 137 141 Char Diagnosis 9 NIS 1999 Supplemental 35 DX10 142 146 Char Diagnosis 10 NIS 1999 Supplemental 36 DX11 147 151 Char Diagnosis 11 NIS 1999 Supplemental 37 DX12 152 156 Char Diagnosis 12 NIS 1999 Supplemental 38 DX13 157 161 Char Diagnosis 13 NIS 1999 Supplemental 39 DX14 162 166 Char Diagnosis 14 NIS 1999 Supplemental 40 DX15 167 171 Char Diagnosis 15 NIS 1999 Supplemental 41 ECODE1 172 176 Char E code 1 NIS 1999 Supplemental 42 ECODE2 177 181 Char E code 2 NIS 1999 Supplemental 43 ECODE3 182 186 Char E code 3 NIS 1999 Supplemental 44 ECODE4 187 191 Char E code 4 NIS 1999 Supplemental 45 MDNUM1_S 192 207 Char Physician 1 number (synthetic) NIS 1999 Supplemental 46 MDNUM2_S 208 223 Char Physician 2 number (synthetic)