Data Set Name: NIS_2000_CORE Number of Observations: 7450992 Total Record Length: 493 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 2000 CORE 1 KEY 1 14 Num HCUP record identifier NIS 2000 CORE 2 AGE 15 17 Num Age in years at admission NIS 2000 CORE 3 AGEDAY 18 20 Num Age in days (when age < 1 year) NIS 2000 CORE 4 AMONTH 21 22 Num Admission month NIS 2000 CORE 5 ASOURCE 23 24 Num Admission source (uniform) NIS 2000 CORE 6 ASOURCE_X 25 27 Char Admission source (as received from source) NIS 2000 CORE 7 ATYPE 28 29 Num Admission type NIS 2000 CORE 8 AWEEKEND 30 31 Num Admission day is a weekend NIS 2000 CORE 9 DIED 32 33 Num Died during hospitalization NIS 2000 CORE 10 DISCWT 34 43 4 Num Weight to discharges in AHA universe for estimates other than total charges NIS 2000 CORE 11 DISCWTcharge 44 53 4 Num Weight to discharges in AHA universe for total charge estimates NIS 2000 CORE 12 DISPUB92 54 55 Num Disposition of patient (UB-92 standard coding) NIS 2000 CORE 13 DISPUNIFORM 56 57 Num Disposition of patient (uniform) NIS 2000 CORE 14 DQTR 58 59 Num Discharge quarter NIS 2000 CORE 15 DRG 60 62 Num DRG in effect on discharge date NIS 2000 CORE 16 DRG18 63 65 Num DRG, version 18 NIS 2000 CORE 17 DRGVER 66 67 Num DRG grouper version used on discharge date NIS 2000 CORE 18 DSHOSPID 68 80 Char Data source hospital identifier NIS 2000 CORE 19 DX1 81 85 Char Principal diagnosis NIS 2000 CORE 20 DX2 86 90 Char Diagnosis 2 NIS 2000 CORE 21 DX3 91 95 Char Diagnosis 3 NIS 2000 CORE 22 DX4 96 100 Char Diagnosis 4 NIS 2000 CORE 23 DX5 101 105 Char Diagnosis 5 NIS 2000 CORE 24 DX6 106 110 Char Diagnosis 6 NIS 2000 CORE 25 DX7 111 115 Char Diagnosis 7 NIS 2000 CORE 26 DX8 116 120 Char Diagnosis 8 NIS 2000 CORE 27 DX9 121 125 Char Diagnosis 9 NIS 2000 CORE 28 DX10 126 130 Char Diagnosis 10 NIS 2000 CORE 29 DX11 131 135 Char Diagnosis 11 NIS 2000 CORE 30 DX12 136 140 Char Diagnosis 12 NIS 2000 CORE 31 DX13 141 145 Char Diagnosis 13 NIS 2000 CORE 32 DX14 146 150 Char Diagnosis 14 NIS 2000 CORE 33 DX15 151 155 Char Diagnosis 15 NIS 2000 CORE 34 DXCCS1 156 159 Num CCS: principal diagnosis NIS 2000 CORE 35 DXCCS2 160 163 Num CCS: diagnosis 2 NIS 2000 CORE 36 DXCCS3 164 167 Num CCS: diagnosis 3 NIS 2000 CORE 37 DXCCS4 168 171 Num CCS: diagnosis 4 NIS 2000 CORE 38 DXCCS5 172 175 Num CCS: diagnosis 5 NIS 2000 CORE 39 DXCCS6 176 179 Num CCS: diagnosis 6 NIS 2000 CORE 40 DXCCS7 180 183 Num CCS: diagnosis 7 NIS 2000 CORE 41 DXCCS8 184 187 Num CCS: diagnosis 8 NIS 2000 CORE 42 DXCCS9 188 191 Num CCS: diagnosis 9 NIS 2000 CORE 43 DXCCS10 192 195 Num CCS: diagnosis 10 NIS 2000 CORE 44 DXCCS11 196 199 Num CCS: diagnosis 11 NIS 2000 CORE 45 DXCCS12 200 203 Num CCS: diagnosis 12 NIS 2000 CORE 46 DXCCS13 204 207 Num CCS: diagnosis 13 NIS 2000 CORE 47 DXCCS14 208 211 Num CCS: diagnosis 14 NIS 2000 CORE 48 DXCCS15 212 215 Num CCS: diagnosis 15 NIS 2000 CORE 49 FEMALE 216 217 Num Indicator of sex NIS 2000 CORE 50 HOSPID 218 222 Num HCUP hospital identification number NIS 2000 CORE 51 HOSPST 223 224 Char Hospital state postal code NIS 2000 CORE 52 HOSPSTCO 225 229 Num Hospital modified FIPS state/county code NIS 2000 CORE 53 LOS 230 234 Num Length of stay (cleaned) NIS 2000 CORE 54 LOS_X 235 240 Num Length of stay (as received from source) NIS 2000 CORE 55 MDC 241 242 Num MDC in effect on discharge date NIS 2000 CORE 56 MDC18 243 244 Num MDC, version 18 NIS 2000 CORE 57 MDID_S 245 260 Char Attending physician number (synthetic) NIS 2000 CORE 58 NDX 261 262 Num Number of diagnoses on this record NIS 2000 CORE 59 NEOMAT 263 264 Num Neonatal and/or maternal DX and/or PR NIS 2000 CORE 60 NIS_STRATUM 265 268 Num Stratum used to sample hospital NIS 2000 CORE 61 NPR 269 270 Num Number of procedures on this record NIS 2000 CORE 62 PAY1 271 272 Num Primary expected payer (uniform) NIS 2000 CORE 63 PAY1_X 273 282 Char Primary expected payer (as received from source) NIS 2000 CORE 64 PAY2 283 284 Num Secondary expected payer (uniform) NIS 2000 CORE 65 PAY2_X 285 294 Char Secondary expected payer (as received from source) NIS 2000 CORE 66 PR1 295 298 Char Principal procedure NIS 2000 CORE 67 PR2 299 302 Char Procedure 2 NIS 2000 CORE 68 PR3 303 306 Char Procedure 3 NIS 2000 CORE 69 PR4 307 310 Char Procedure 4 NIS 2000 CORE 70 PR5 311 314 Char Procedure 5 NIS 2000 CORE 71 PR6 315 318 Char Procedure 6 NIS 2000 CORE 72 PR7 319 322 Char Procedure 7 NIS 2000 CORE 73 PR8 323 326 Char Procedure 8 NIS 2000 CORE 74 PR9 327 330 Char Procedure 9 NIS 2000 CORE 75 PR10 331 334 Char Procedure 10 NIS 2000 CORE 76 PR11 335 338 Char Procedure 11 NIS 2000 CORE 77 PR12 339 342 Char Procedure 12 NIS 2000 CORE 78 PR13 343 346 Char Procedure 13 NIS 2000 CORE 79 PR14 347 350 Char Procedure 14 NIS 2000 CORE 80 PR15 351 354 Char Procedure 15 NIS 2000 CORE 81 PRCCS1 355 357 Num CCS: principal procedure NIS 2000 CORE 82 PRCCS2 358 360 Num CCS: procedure 2 NIS 2000 CORE 83 PRCCS3 361 363 Num CCS: procedure 3 NIS 2000 CORE 84 PRCCS4 364 366 Num CCS: procedure 4 NIS 2000 CORE 85 PRCCS5 367 369 Num CCS: procedure 5 NIS 2000 CORE 86 PRCCS6 370 372 Num CCS: procedure 6 NIS 2000 CORE 87 PRCCS7 373 375 Num CCS: procedure 7 NIS 2000 CORE 88 PRCCS8 376 378 Num CCS: procedure 8 NIS 2000 CORE 89 PRCCS9 379 381 Num CCS: procedure 9 NIS 2000 CORE 90 PRCCS10 382 384 Num CCS: procedure 10 NIS 2000 CORE 91 PRCCS11 385 387 Num CCS: procedure 11 NIS 2000 CORE 92 PRCCS12 388 390 Num CCS: procedure 12 NIS 2000 CORE 93 PRCCS13 391 393 Num CCS: procedure 13 NIS 2000 CORE 94 PRCCS14 394 396 Num CCS: procedure 14 NIS 2000 CORE 95 PRCCS15 397 399 Num CCS: procedure 15 NIS 2000 CORE 96 PRDAY1 400 402 Num Number of days from admission to PR1 NIS 2000 CORE 97 PRDAY2 403 405 Num Number of days from admission to PR2 NIS 2000 CORE 98 PRDAY3 406 408 Num Number of days from admission to PR3 NIS 2000 CORE 99 PRDAY4 409 411 Num Number of days from admission to PR4 NIS 2000 CORE 100 PRDAY5 412 414 Num Number of days from admission to PR5 NIS 2000 CORE 101 PRDAY6 415 417 Num Number of days from admission to PR6 NIS 2000 CORE 102 PRDAY7 418 420 Num Number of days from admission to PR7 NIS 2000 CORE 103 PRDAY8 421 423 Num Number of days from admission to PR8 NIS 2000 CORE 104 PRDAY9 424 426 Num Number of days from admission to PR9 NIS 2000 CORE 105 PRDAY10 427 429 Num Number of days from admission to PR10 NIS 2000 CORE 106 PRDAY11 430 432 Num Number of days from admission to PR11 NIS 2000 CORE 107 PRDAY12 433 435 Num Number of days from admission to PR12 NIS 2000 CORE 108 PRDAY13 436 438 Num Number of days from admission to PR13 NIS 2000 CORE 109 PRDAY14 439 441 Num Number of days from admission to PR14 NIS 2000 CORE 110 PRDAY15 442 444 Num Number of days from admission to PR15 NIS 2000 CORE 111 RACE 445 446 Num Race (uniform) NIS 2000 CORE 112 SURGID_S 447 462 Char Primary surgeon number (synthetic) NIS 2000 CORE 113 TOTCHG 463 472 Num Total charges (cleaned) NIS 2000 CORE 114 TOTCHG_X 473 487 2 Num Total charges (as received from source) NIS 2000 CORE 115 YEAR 488 491 Num Calendar year NIS 2000 CORE 116 ZIPINC 492 493 Num Median household income category for patient's zip code