Data Set Name: NIS_2002_CORE Number of Observations: 7853982 Total Record Length: 490 Total Number of Variables: 116 Columns Description: ======= ============ 1- 3 Database name 5- 8 Discharge year of data 10- 25 File name 27- 29 Variable number 31- 49 Variable name 51- 53 Starting column of variable in ASCII file 55- 57 Ending column of variable in ASCII file 59 Non-zero number of digits after decimal point for numeric variable 61- 64 Variable type (Num=numeric; Char=character) 66-165 Variable label NIS 2002 CORE 1 KEY 1 14 Num HCUP record identifier NIS 2002 CORE 2 AGE 15 17 Num Age in years at admission NIS 2002 CORE 3 AGEDAY 18 20 Num Age in days (when age < 1 year) NIS 2002 CORE 4 AMONTH 21 22 Num Admission month NIS 2002 CORE 5 ASOURCE 23 24 Num Admission source (uniform) NIS 2002 CORE 6 ASOURCE_X 25 32 Char Admission source (as received from source) NIS 2002 CORE 7 ATYPE 33 34 Num Admission type NIS 2002 CORE 8 AWEEKEND 35 36 Num Admission day is a weekend NIS 2002 CORE 9 DIED 37 38 Num Died during hospitalization NIS 2002 CORE 10 DISCWT 39 48 4 Num Weight to discharges in AHA universe NIS 2002 CORE 11 DISPUB92 49 50 Num Disposition of patient (UB-92 standard coding) NIS 2002 CORE 12 DISPUNIFORM 51 52 Num Disposition of patient (uniform) NIS 2002 CORE 13 DQTR 53 54 Num Discharge quarter NIS 2002 CORE 14 DRG 55 57 Num DRG in effect on discharge date NIS 2002 CORE 15 DRG18 58 60 Num DRG, version 18 NIS 2002 CORE 16 DRGVER 61 62 Num DRG grouper version used on discharge date NIS 2002 CORE 17 DSHOSPID 63 75 Char Data source hospital identifier NIS 2002 CORE 18 DX1 76 80 Char Principal diagnosis NIS 2002 CORE 19 DX2 81 85 Char Diagnosis 2 NIS 2002 CORE 20 DX3 86 90 Char Diagnosis 3 NIS 2002 CORE 21 DX4 91 95 Char Diagnosis 4 NIS 2002 CORE 22 DX5 96 100 Char Diagnosis 5 NIS 2002 CORE 23 DX6 101 105 Char Diagnosis 6 NIS 2002 CORE 24 DX7 106 110 Char Diagnosis 7 NIS 2002 CORE 25 DX8 111 115 Char Diagnosis 8 NIS 2002 CORE 26 DX9 116 120 Char Diagnosis 9 NIS 2002 CORE 27 DX10 121 125 Char Diagnosis 10 NIS 2002 CORE 28 DX11 126 130 Char Diagnosis 11 NIS 2002 CORE 29 DX12 131 135 Char Diagnosis 12 NIS 2002 CORE 30 DX13 136 140 Char Diagnosis 13 NIS 2002 CORE 31 DX14 141 145 Char Diagnosis 14 NIS 2002 CORE 32 DX15 146 150 Char Diagnosis 15 NIS 2002 CORE 33 DXCCS1 151 154 Num CCS: principal diagnosis NIS 2002 CORE 34 DXCCS2 155 158 Num CCS: diagnosis 2 NIS 2002 CORE 35 DXCCS3 159 162 Num CCS: diagnosis 3 NIS 2002 CORE 36 DXCCS4 163 166 Num CCS: diagnosis 4 NIS 2002 CORE 37 DXCCS5 167 170 Num CCS: diagnosis 5 NIS 2002 CORE 38 DXCCS6 171 174 Num CCS: diagnosis 6 NIS 2002 CORE 39 DXCCS7 175 178 Num CCS: diagnosis 7 NIS 2002 CORE 40 DXCCS8 179 182 Num CCS: diagnosis 8 NIS 2002 CORE 41 DXCCS9 183 186 Num CCS: diagnosis 9 NIS 2002 CORE 42 DXCCS10 187 190 Num CCS: diagnosis 10 NIS 2002 CORE 43 DXCCS11 191 194 Num CCS: diagnosis 11 NIS 2002 CORE 44 DXCCS12 195 198 Num CCS: diagnosis 12 NIS 2002 CORE 45 DXCCS13 199 202 Num CCS: diagnosis 13 NIS 2002 CORE 46 DXCCS14 203 206 Num CCS: diagnosis 14 NIS 2002 CORE 47 DXCCS15 207 210 Num CCS: diagnosis 15 NIS 2002 CORE 48 ELECTIVE 211 212 Num Elective versus non-elective admission NIS 2002 CORE 49 FEMALE 213 214 Num Indicator of sex NIS 2002 CORE 50 HOSPID 215 219 Num HCUP hospital identification number NIS 2002 CORE 51 HOSPST 220 221 Char Hospital state postal code NIS 2002 CORE 52 HOSPSTCO 222 226 Num Hospital modified FIPS state/county code NIS 2002 CORE 53 LOS 227 231 Num Length of stay (cleaned) NIS 2002 CORE 54 LOS_X 232 237 Num Length of stay (as received from source) NIS 2002 CORE 55 MDC 238 239 Num MDC in effect on discharge date NIS 2002 CORE 56 MDC18 240 241 Num MDC, version 18 NIS 2002 CORE 57 MDNUM1_S 242 257 Char Physician 1 number (synthetic) NIS 2002 CORE 58 MDNUM2_S 258 273 Char Physician 2 number (synthetic) NIS 2002 CORE 59 NDX 274 275 Num Number of diagnoses on this record NIS 2002 CORE 60 NEOMAT 276 277 Num Neonatal and/or maternal DX and/or PR NIS 2002 CORE 61 NIS_STRATUM 278 281 Num Stratum used to sample hospital NIS 2002 CORE 62 NPR 282 283 Num Number of procedures on this record NIS 2002 CORE 63 PAY1 284 285 Num Primary expected payer (uniform) NIS 2002 CORE 64 PAY1_X 286 295 Char Primary expected payer (as received from source) NIS 2002 CORE 65 PAY2 296 297 Num Secondary expected payer (uniform) NIS 2002 CORE 66 PAY2_X 298 307 Char Secondary expected payer (as received from source) NIS 2002 CORE 67 PR1 308 311 Char Principal procedure NIS 2002 CORE 68 PR2 312 315 Char Procedure 2 NIS 2002 CORE 69 PR3 316 319 Char Procedure 3 NIS 2002 CORE 70 PR4 320 323 Char Procedure 4 NIS 2002 CORE 71 PR5 324 327 Char Procedure 5 NIS 2002 CORE 72 PR6 328 331 Char Procedure 6 NIS 2002 CORE 73 PR7 332 335 Char Procedure 7 NIS 2002 CORE 74 PR8 336 339 Char Procedure 8 NIS 2002 CORE 75 PR9 340 343 Char Procedure 9 NIS 2002 CORE 76 PR10 344 347 Char Procedure 10 NIS 2002 CORE 77 PR11 348 351 Char Procedure 11 NIS 2002 CORE 78 PR12 352 355 Char Procedure 12 NIS 2002 CORE 79 PR13 356 359 Char Procedure 13 NIS 2002 CORE 80 PR14 360 363 Char Procedure 14 NIS 2002 CORE 81 PR15 364 367 Char Procedure 15 NIS 2002 CORE 82 PRCCS1 368 370 Num CCS: principal procedure NIS 2002 CORE 83 PRCCS2 371 373 Num CCS: procedure 2 NIS 2002 CORE 84 PRCCS3 374 376 Num CCS: procedure 3 NIS 2002 CORE 85 PRCCS4 377 379 Num CCS: procedure 4 NIS 2002 CORE 86 PRCCS5 380 382 Num CCS: procedure 5 NIS 2002 CORE 87 PRCCS6 383 385 Num CCS: procedure 6 NIS 2002 CORE 88 PRCCS7 386 388 Num CCS: procedure 7 NIS 2002 CORE 89 PRCCS8 389 391 Num CCS: procedure 8 NIS 2002 CORE 90 PRCCS9 392 394 Num CCS: procedure 9 NIS 2002 CORE 91 PRCCS10 395 397 Num CCS: procedure 10 NIS 2002 CORE 92 PRCCS11 398 400 Num CCS: procedure 11 NIS 2002 CORE 93 PRCCS12 401 403 Num CCS: procedure 12 NIS 2002 CORE 94 PRCCS13 404 406 Num CCS: procedure 13 NIS 2002 CORE 95 PRCCS14 407 409 Num CCS: procedure 14 NIS 2002 CORE 96 PRCCS15 410 412 Num CCS: procedure 15 NIS 2002 CORE 97 PRDAY1 413 415 Num Number of days from admission to PR1 NIS 2002 CORE 98 PRDAY2 416 418 Num Number of days from admission to PR2 NIS 2002 CORE 99 PRDAY3 419 421 Num Number of days from admission to PR3 NIS 2002 CORE 100 PRDAY4 422 424 Num Number of days from admission to PR4 NIS 2002 CORE 101 PRDAY5 425 427 Num Number of days from admission to PR5 NIS 2002 CORE 102 PRDAY6 428 430 Num Number of days from admission to PR6 NIS 2002 CORE 103 PRDAY7 431 433 Num Number of days from admission to PR7 NIS 2002 CORE 104 PRDAY8 434 436 Num Number of days from admission to PR8 NIS 2002 CORE 105 PRDAY9 437 439 Num Number of days from admission to PR9 NIS 2002 CORE 106 PRDAY10 440 442 Num Number of days from admission to PR10 NIS 2002 CORE 107 PRDAY11 443 445 Num Number of days from admission to PR11 NIS 2002 CORE 108 PRDAY12 446 448 Num Number of days from admission to PR12 NIS 2002 CORE 109 PRDAY13 449 451 Num Number of days from admission to PR13 NIS 2002 CORE 110 PRDAY14 452 454 Num Number of days from admission to PR14 NIS 2002 CORE 111 PRDAY15 455 457 Num Number of days from admission to PR15 NIS 2002 CORE 112 RACE 458 459 Num Race (uniform) NIS 2002 CORE 113 TOTCHG 460 469 Num Total charges (cleaned) NIS 2002 CORE 114 TOTCHG_X 470 484 2 Num Total charges (as received from source) NIS 2002 CORE 115 YEAR 485 488 Num Calendar year NIS 2002 CORE 116 ZIPINC 489 490 Num Median household income category for patient's ZIP Code