Data Set Name: NIS_2005_CORE Number of Observations: 7995048 Total Record Length: 506 Total Number of Data Elements: 126 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 2005 Core 1 AGE 1 3 Num Age in years at admission NIS 2005 Core 2 AGEDAY 4 6 Num Age in days (when age < 1 year) NIS 2005 Core 3 AMONTH 7 8 Num Admission month NIS 2005 Core 4 ASOURCE 9 10 Num Admission source (uniform) NIS 2005 Core 5 ASOURCEUB92 11 11 Char Admission source (UB-92 standard coding) NIS 2005 Core 6 ASOURCE_X 12 19 Char Admission source (as received from source) NIS 2005 Core 7 ATYPE 20 21 Num Admission type NIS 2005 Core 8 AWEEKEND 22 23 Num Admission day is a weekend NIS 2005 Core 9 DIED 24 25 Num Died during hospitalization NIS 2005 Core 10 DISCWT 26 36 7 Num Weight to discharges in AHA universe NIS 2005 Core 11 DISPUB92 37 38 Num Disposition of patient (UB-92 standard coding) NIS 2005 Core 12 DISPUNIFORM 39 40 Num Disposition of patient (uniform) NIS 2005 Core 13 DQTR 41 42 Num Discharge quarter NIS 2005 Core 14 DRG 43 45 Num DRG in effect on discharge date NIS 2005 Core 15 DRG18 46 48 Num DRG, version 18 NIS 2005 Core 16 DRGVER 49 50 Num DRG grouper version used on discharge date NIS 2005 Core 17 DSHOSPID 51 63 Char Data source hospital identifier NIS 2005 Core 18 DX1 64 68 Char Principal diagnosis NIS 2005 Core 19 DX2 69 73 Char Diagnosis 2 NIS 2005 Core 20 DX3 74 78 Char Diagnosis 3 NIS 2005 Core 21 DX4 79 83 Char Diagnosis 4 NIS 2005 Core 22 DX5 84 88 Char Diagnosis 5 NIS 2005 Core 23 DX6 89 93 Char Diagnosis 6 NIS 2005 Core 24 DX7 94 98 Char Diagnosis 7 NIS 2005 Core 25 DX8 99 103 Char Diagnosis 8 NIS 2005 Core 26 DX9 104 108 Char Diagnosis 9 NIS 2005 Core 27 DX10 109 113 Char Diagnosis 10 NIS 2005 Core 28 DX11 114 118 Char Diagnosis 11 NIS 2005 Core 29 DX12 119 123 Char Diagnosis 12 NIS 2005 Core 30 DX13 124 128 Char Diagnosis 13 NIS 2005 Core 31 DX14 129 133 Char Diagnosis 14 NIS 2005 Core 32 DX15 134 138 Char Diagnosis 15 NIS 2005 Core 33 DXCCS1 139 142 Num CCS: principal diagnosis NIS 2005 Core 34 DXCCS2 143 146 Num CCS: diagnosis 2 NIS 2005 Core 35 DXCCS3 147 150 Num CCS: diagnosis 3 NIS 2005 Core 36 DXCCS4 151 154 Num CCS: diagnosis 4 NIS 2005 Core 37 DXCCS5 155 158 Num CCS: diagnosis 5 NIS 2005 Core 38 DXCCS6 159 162 Num CCS: diagnosis 6 NIS 2005 Core 39 DXCCS7 163 166 Num CCS: diagnosis 7 NIS 2005 Core 40 DXCCS8 167 170 Num CCS: diagnosis 8 NIS 2005 Core 41 DXCCS9 171 174 Num CCS: diagnosis 9 NIS 2005 Core 42 DXCCS10 175 178 Num CCS: diagnosis 10 NIS 2005 Core 43 DXCCS11 179 182 Num CCS: diagnosis 11 NIS 2005 Core 44 DXCCS12 183 186 Num CCS: diagnosis 12 NIS 2005 Core 45 DXCCS13 187 190 Num CCS: diagnosis 13 NIS 2005 Core 46 DXCCS14 191 194 Num CCS: diagnosis 14 NIS 2005 Core 47 DXCCS15 195 198 Num CCS: diagnosis 15 NIS 2005 Core 48 ECODE1 199 203 Char E code 1 NIS 2005 Core 49 ECODE2 204 208 Char E code 2 NIS 2005 Core 50 ECODE3 209 213 Char E code 3 NIS 2005 Core 51 ECODE4 214 218 Char E code 4 NIS 2005 Core 52 ELECTIVE 219 220 Num Elective versus non-elective admission NIS 2005 Core 53 E_CCS1 221 224 Num CCS: E Code 1 NIS 2005 Core 54 E_CCS2 225 228 Num CCS: E Code 2 NIS 2005 Core 55 E_CCS3 229 232 Num CCS: E Code 3 NIS 2005 Core 56 E_CCS4 233 236 Num CCS: E Code 4 NIS 2005 Core 57 FEMALE 237 238 Num Indicator of sex NIS 2005 Core 58 HOSPID 239 243 Num HCUP hospital identification number NIS 2005 Core 59 HOSPST 244 245 Char Hospital state postal code NIS 2005 Core 60 KEY 246 259 Num HCUP record identifier NIS 2005 Core 61 LOS 260 264 Num Length of stay (cleaned) NIS 2005 Core 62 LOS_X 265 270 Num Length of stay (as received from source) NIS 2005 Core 63 MDC 271 272 Num MDC in effect on discharge date NIS 2005 Core 64 MDC18 273 274 Num MDC, version 18 NIS 2005 Core 65 MDNUM1_R 275 279 Num Physician 1 number (re-identified) NIS 2005 Core 66 MDNUM2_R 280 284 Num Physician 2 number (re-identified) NIS 2005 Core 67 NDX 285 286 Num Number of diagnoses on this record NIS 2005 Core 68 NECODE 287 289 Num Number of E codes on this record NIS 2005 Core 69 NEOMAT 290 291 Num Neonatal and/or maternal DX and/or PR NIS 2005 Core 70 NIS_STRATUM 292 295 Num Stratum used to sample hospital NIS 2005 Core 71 NPR 296 297 Num Number of procedures on this record NIS 2005 Core 72 PAY1 298 299 Num Primary expected payer (uniform) NIS 2005 Core 73 PAY1_X 300 309 Char Primary expected payer (as received from source) NIS 2005 Core 74 PAY2 310 311 Num Secondary expected payer (uniform) NIS 2005 Core 75 PAY2_X 312 321 Char Secondary expected payer (as received from source) NIS 2005 Core 76 PL_UR_CAT4 322 323 Num Patient Location: Urban-Rural 4 Categories NIS 2005 Core 77 PR1 324 327 Char Principal procedure NIS 2005 Core 78 PR2 328 331 Char Procedure 2 NIS 2005 Core 79 PR3 332 335 Char Procedure 3 NIS 2005 Core 80 PR4 336 339 Char Procedure 4 NIS 2005 Core 81 PR5 340 343 Char Procedure 5 NIS 2005 Core 82 PR6 344 347 Char Procedure 6 NIS 2005 Core 83 PR7 348 351 Char Procedure 7 NIS 2005 Core 84 PR8 352 355 Char Procedure 8 NIS 2005 Core 85 PR9 356 359 Char Procedure 9 NIS 2005 Core 86 PR10 360 363 Char Procedure 10 NIS 2005 Core 87 PR11 364 367 Char Procedure 11 NIS 2005 Core 88 PR12 368 371 Char Procedure 12 NIS 2005 Core 89 PR13 372 375 Char Procedure 13 NIS 2005 Core 90 PR14 376 379 Char Procedure 14 NIS 2005 Core 91 PR15 380 383 Char Procedure 15 NIS 2005 Core 92 PRCCS1 384 386 Num CCS: principal procedure NIS 2005 Core 93 PRCCS2 387 389 Num CCS: procedure 2 NIS 2005 Core 94 PRCCS3 390 392 Num CCS: procedure 3 NIS 2005 Core 95 PRCCS4 393 395 Num CCS: procedure 4 NIS 2005 Core 96 PRCCS5 396 398 Num CCS: procedure 5 NIS 2005 Core 97 PRCCS6 399 401 Num CCS: procedure 6 NIS 2005 Core 98 PRCCS7 402 404 Num CCS: procedure 7 NIS 2005 Core 99 PRCCS8 405 407 Num CCS: procedure 8 NIS 2005 Core 100 PRCCS9 408 410 Num CCS: procedure 9 NIS 2005 Core 101 PRCCS10 411 413 Num CCS: procedure 10 NIS 2005 Core 102 PRCCS11 414 416 Num CCS: procedure 11 NIS 2005 Core 103 PRCCS12 417 419 Num CCS: procedure 12 NIS 2005 Core 104 PRCCS13 420 422 Num CCS: procedure 13 NIS 2005 Core 105 PRCCS14 423 425 Num CCS: procedure 14 NIS 2005 Core 106 PRCCS15 426 428 Num CCS: procedure 15 NIS 2005 Core 107 PRDAY1 429 431 Num Number of days from admission to PR1 NIS 2005 Core 108 PRDAY2 432 434 Num Number of days from admission to PR2 NIS 2005 Core 109 PRDAY3 435 437 Num Number of days from admission to PR3 NIS 2005 Core 110 PRDAY4 438 440 Num Number of days from admission to PR4 NIS 2005 Core 111 PRDAY5 441 443 Num Number of days from admission to PR5 NIS 2005 Core 112 PRDAY6 444 446 Num Number of days from admission to PR6 NIS 2005 Core 113 PRDAY7 447 449 Num Number of days from admission to PR7 NIS 2005 Core 114 PRDAY8 450 452 Num Number of days from admission to PR8 NIS 2005 Core 115 PRDAY9 453 455 Num Number of days from admission to PR9 NIS 2005 Core 116 PRDAY10 456 458 Num Number of days from admission to PR10 NIS 2005 Core 117 PRDAY11 459 461 Num Number of days from admission to PR11 NIS 2005 Core 118 PRDAY12 462 464 Num Number of days from admission to PR12 NIS 2005 Core 119 PRDAY13 465 467 Num Number of days from admission to PR13 NIS 2005 Core 120 PRDAY14 468 470 Num Number of days from admission to PR14 NIS 2005 Core 121 PRDAY15 471 473 Num Number of days from admission to PR15 NIS 2005 Core 122 RACE 474 475 Num Race (uniform) NIS 2005 Core 123 TOTCHG 476 485 Num Total charges (cleaned) NIS 2005 Core 124 TOTCHG_X 486 500 2 Num Total charges (as received from source) NIS 2005 Core 125 YEAR 501 504 Num Calendar year NIS 2005 Core 126 ZIPInc_Qrtl 505 506 Num Median household income quartile for patient's ZIP Code