Data Set Name: NIS_2009_CORE Number of Observations: 7810762 Total Record Length: 598 Total Number of Data Elements: 156 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 2009 Core 1 AGE 1 3 Num Age in years at admission NIS 2009 Core 2 AGEDAY 4 6 Num Age in days (when age < 1 year) NIS 2009 Core 3 AMONTH 7 8 Num Admission month NIS 2009 Core 4 ASOURCE 9 10 Num Admission source (uniform) NIS 2009 Core 5 ASOURCEUB92 11 11 Char Admission source (UB-92 standard coding) NIS 2009 Core 6 ASOURCE_X 12 14 Char Admission source (as received from source) NIS 2009 Core 7 ATYPE 15 16 Num Admission type NIS 2009 Core 8 AWEEKEND 17 18 Num Admission day is a weekend NIS 2009 Core 9 DIED 19 20 Num Died during hospitalization NIS 2009 Core 10 DISCWT 21 31 7 Num Weight to discharges in AHA universe NIS 2009 Core 11 DISPUB04 32 33 Num Disposition of patient (UB-04 standard coding) NIS 2009 Core 12 DISPUNIFORM 34 35 Num Disposition of patient (uniform) NIS 2009 Core 13 DQTR 36 37 Num Discharge quarter NIS 2009 Core 14 DQTR_X 38 39 Num Discharge quarter (as received from source) NIS 2009 Core 15 DRG 40 42 Num DRG in effect on discharge date NIS 2009 Core 16 DRG24 43 45 Num DRG, version 24 NIS 2009 Core 17 DRGVER 46 47 Num DRG grouper version used on discharge date NIS 2009 Core 18 DRG_NoPOA 48 50 Num DRG in use on discharge date, calculated without POA NIS 2009 Core 19 DSHOSPID 51 67 Char Data source hospital identifier NIS 2009 Core 20 DX1 68 72 Char Diagnosis 1 NIS 2009 Core 21 DX2 73 77 Char Diagnosis 2 NIS 2009 Core 22 DX3 78 82 Char Diagnosis 3 NIS 2009 Core 23 DX4 83 87 Char Diagnosis 4 NIS 2009 Core 24 DX5 88 92 Char Diagnosis 5 NIS 2009 Core 25 DX6 93 97 Char Diagnosis 6 NIS 2009 Core 26 DX7 98 102 Char Diagnosis 7 NIS 2009 Core 27 DX8 103 107 Char Diagnosis 8 NIS 2009 Core 28 DX9 108 112 Char Diagnosis 9 NIS 2009 Core 29 DX10 113 117 Char Diagnosis 10 NIS 2009 Core 30 DX11 118 122 Char Diagnosis 11 NIS 2009 Core 31 DX12 123 127 Char Diagnosis 12 NIS 2009 Core 32 DX13 128 132 Char Diagnosis 13 NIS 2009 Core 33 DX14 133 137 Char Diagnosis 14 NIS 2009 Core 34 DX15 138 142 Char Diagnosis 15 NIS 2009 Core 35 DX16 143 147 Char Diagnosis 16 NIS 2009 Core 36 DX17 148 152 Char Diagnosis 17 NIS 2009 Core 37 DX18 153 157 Char Diagnosis 18 NIS 2009 Core 38 DX19 158 162 Char Diagnosis 19 NIS 2009 Core 39 DX20 163 167 Char Diagnosis 20 NIS 2009 Core 40 DX21 168 172 Char Diagnosis 21 NIS 2009 Core 41 DX22 173 177 Char Diagnosis 22 NIS 2009 Core 42 DX23 178 182 Char Diagnosis 23 NIS 2009 Core 43 DX24 183 187 Char Diagnosis 24 NIS 2009 Core 44 DX25 188 192 Char Diagnosis 25 NIS 2009 Core 45 DXCCS1 193 195 Num CCS: diagnosis 1 NIS 2009 Core 46 DXCCS2 196 198 Num CCS: diagnosis 2 NIS 2009 Core 47 DXCCS3 199 201 Num CCS: diagnosis 3 NIS 2009 Core 48 DXCCS4 202 204 Num CCS: diagnosis 4 NIS 2009 Core 49 DXCCS5 205 207 Num CCS: diagnosis 5 NIS 2009 Core 50 DXCCS6 208 210 Num CCS: diagnosis 6 NIS 2009 Core 51 DXCCS7 211 213 Num CCS: diagnosis 7 NIS 2009 Core 52 DXCCS8 214 216 Num CCS: diagnosis 8 NIS 2009 Core 53 DXCCS9 217 219 Num CCS: diagnosis 9 NIS 2009 Core 54 DXCCS10 220 222 Num CCS: diagnosis 10 NIS 2009 Core 55 DXCCS11 223 225 Num CCS: diagnosis 11 NIS 2009 Core 56 DXCCS12 226 228 Num CCS: diagnosis 12 NIS 2009 Core 57 DXCCS13 229 231 Num CCS: diagnosis 13 NIS 2009 Core 58 DXCCS14 232 234 Num CCS: diagnosis 14 NIS 2009 Core 59 DXCCS15 235 237 Num CCS: diagnosis 15 NIS 2009 Core 60 DXCCS16 238 240 Num CCS: diagnosis 16 NIS 2009 Core 61 DXCCS17 241 243 Num CCS: diagnosis 17 NIS 2009 Core 62 DXCCS18 244 246 Num CCS: diagnosis 18 NIS 2009 Core 63 DXCCS19 247 249 Num CCS: diagnosis 19 NIS 2009 Core 64 DXCCS20 250 252 Num CCS: diagnosis 20 NIS 2009 Core 65 DXCCS21 253 255 Num CCS: diagnosis 21 NIS 2009 Core 66 DXCCS22 256 258 Num CCS: diagnosis 22 NIS 2009 Core 67 DXCCS23 259 261 Num CCS: diagnosis 23 NIS 2009 Core 68 DXCCS24 262 264 Num CCS: diagnosis 24 NIS 2009 Core 69 DXCCS25 265 267 Num CCS: diagnosis 25 NIS 2009 Core 70 ECODE1 268 272 Char E code 1 NIS 2009 Core 71 ECODE2 273 277 Char E code 2 NIS 2009 Core 72 ECODE3 278 282 Char E code 3 NIS 2009 Core 73 ECODE4 283 287 Char E code 4 NIS 2009 Core 74 ELECTIVE 288 289 Num Elective versus non-elective admission NIS 2009 Core 75 E_CCS1 290 293 Num CCS: E Code 1 NIS 2009 Core 76 E_CCS2 294 297 Num CCS: E Code 2 NIS 2009 Core 77 E_CCS3 298 301 Num CCS: E Code 3 NIS 2009 Core 78 E_CCS4 302 305 Num CCS: E Code 4 NIS 2009 Core 79 FEMALE 306 307 Num Indicator of sex NIS 2009 Core 80 HCUP_ED 308 310 Num HCUP Emergency Department service indicator NIS 2009 Core 81 HOSPBRTH 311 312 Num Indicator of birth in this hospital NIS 2009 Core 82 HOSPID 313 317 Num HCUP hospital identification number NIS 2009 Core 83 HOSPST 318 319 Char Hospital state postal code NIS 2009 Core 84 KEY 320 333 Num HCUP record identifier NIS 2009 Core 85 LOS 334 338 Num Length of stay (cleaned) NIS 2009 Core 86 LOS_X 339 344 Num Length of stay (as received from source) NIS 2009 Core 87 MDC 345 346 Num MDC in effect on discharge date NIS 2009 Core 88 MDC24 347 348 Num MDC, version 24 NIS 2009 Core 89 MDC_NoPOA 349 350 Num MDC in use on discharge date, calculated without POA NIS 2009 Core 90 MDNUM1_R 351 355 Num Physician 1 number (re-identified) NIS 2009 Core 91 MDNUM2_R 356 360 Num Physician 2 number (re-identified) NIS 2009 Core 92 NCHRONIC 361 362 Num Number of chronic conditions NIS 2009 Core 93 NDX 363 364 Num Number of diagnoses on this record NIS 2009 Core 94 NECODE 365 367 Num Number of E codes on this record NIS 2009 Core 95 NEOMAT 368 369 Num Neonatal and/or maternal DX and/or PR NIS 2009 Core 96 NIS_STRATUM 370 373 Num Stratum used to sample hospital NIS 2009 Core 97 NPR 374 375 Num Number of procedures on this record NIS 2009 Core 98 ORPROC 376 377 Num Major operating room procedure indicator NIS 2009 Core 99 PAY1 378 379 Num Primary expected payer (uniform) NIS 2009 Core 100 PAY1_X 380 389 Char Primary expected payer (as received from source) NIS 2009 Core 101 PAY2 390 391 Num Secondary expected payer (uniform) NIS 2009 Core 102 PAY2_X 392 401 Char Secondary expected payer (as received from source) NIS 2009 Core 103 PL_NCHS2006 402 404 Num Patient Location: NCHS Urban-Rural Code (V2006) NIS 2009 Core 104 PR1 405 408 Char Procedure 1 NIS 2009 Core 105 PR2 409 412 Char Procedure 2 NIS 2009 Core 106 PR3 413 416 Char Procedure 3 NIS 2009 Core 107 PR4 417 420 Char Procedure 4 NIS 2009 Core 108 PR5 421 424 Char Procedure 5 NIS 2009 Core 109 PR6 425 428 Char Procedure 6 NIS 2009 Core 110 PR7 429 432 Char Procedure 7 NIS 2009 Core 111 PR8 433 436 Char Procedure 8 NIS 2009 Core 112 PR9 437 440 Char Procedure 9 NIS 2009 Core 113 PR10 441 444 Char Procedure 10 NIS 2009 Core 114 PR11 445 448 Char Procedure 11 NIS 2009 Core 115 PR12 449 452 Char Procedure 12 NIS 2009 Core 116 PR13 453 456 Char Procedure 13 NIS 2009 Core 117 PR14 457 460 Char Procedure 14 NIS 2009 Core 118 PR15 461 464 Char Procedure 15 NIS 2009 Core 119 PRCCS1 465 467 Num CCS: procedure 1 NIS 2009 Core 120 PRCCS2 468 470 Num CCS: procedure 2 NIS 2009 Core 121 PRCCS3 471 473 Num CCS: procedure 3 NIS 2009 Core 122 PRCCS4 474 476 Num CCS: procedure 4 NIS 2009 Core 123 PRCCS5 477 479 Num CCS: procedure 5 NIS 2009 Core 124 PRCCS6 480 482 Num CCS: procedure 6 NIS 2009 Core 125 PRCCS7 483 485 Num CCS: procedure 7 NIS 2009 Core 126 PRCCS8 486 488 Num CCS: procedure 8 NIS 2009 Core 127 PRCCS9 489 491 Num CCS: procedure 9 NIS 2009 Core 128 PRCCS10 492 494 Num CCS: procedure 10 NIS 2009 Core 129 PRCCS11 495 497 Num CCS: procedure 11 NIS 2009 Core 130 PRCCS12 498 500 Num CCS: procedure 12 NIS 2009 Core 131 PRCCS13 501 503 Num CCS: procedure 13 NIS 2009 Core 132 PRCCS14 504 506 Num CCS: procedure 14 NIS 2009 Core 133 PRCCS15 507 509 Num CCS: procedure 15 NIS 2009 Core 134 PRDAY1 510 512 Num Number of days from admission to PR1 NIS 2009 Core 135 PRDAY2 513 515 Num Number of days from admission to PR2 NIS 2009 Core 136 PRDAY3 516 518 Num Number of days from admission to PR3 NIS 2009 Core 137 PRDAY4 519 521 Num Number of days from admission to PR4 NIS 2009 Core 138 PRDAY5 522 524 Num Number of days from admission to PR5 NIS 2009 Core 139 PRDAY6 525 527 Num Number of days from admission to PR6 NIS 2009 Core 140 PRDAY7 528 530 Num Number of days from admission to PR7 NIS 2009 Core 141 PRDAY8 531 533 Num Number of days from admission to PR8 NIS 2009 Core 142 PRDAY9 534 536 Num Number of days from admission to PR9 NIS 2009 Core 143 PRDAY10 537 539 Num Number of days from admission to PR10 NIS 2009 Core 144 PRDAY11 540 542 Num Number of days from admission to PR11 NIS 2009 Core 145 PRDAY12 543 545 Num Number of days from admission to PR12 NIS 2009 Core 146 PRDAY13 546 548 Num Number of days from admission to PR13 NIS 2009 Core 147 PRDAY14 549 551 Num Number of days from admission to PR14 NIS 2009 Core 148 PRDAY15 552 554 Num Number of days from admission to PR15 NIS 2009 Core 149 PointOfOriginUB04 555 555 Char Point of origin for admission or visit, UB-04 standard coding NIS 2009 Core 150 PointOfOrigin_X 556 563 Char Point of origin for admission or visit, as received from source NIS 2009 Core 151 RACE 564 565 Num Race (uniform) NIS 2009 Core 152 TOTCHG 566 575 Num Total charges (cleaned) NIS 2009 Core 153 TOTCHG_X 576 590 2 Num Total charges (as received from source) NIS 2009 Core 154 TRAN_IN 591 592 Num Transfer in indicator NIS 2009 Core 155 YEAR 593 596 Num Calendar year NIS 2009 Core 156 ZIPINC_QRTL 597 598 Num Median household income national quartile for patient ZIP Code