Data Set Name: NIS_2018_CORE Number of Observations: 7105498 Total Record Length: 632 Total Number of Data Elements: 121 Columns Description ======= =========== 1- 3 Database name 5- 8 Discharge year of data 10- 35 File name 37- 39 Data element number 41- 69 Data element name 71- 73 Starting column of data element in ASCII file 75- 77 Ending column of data element in ASCII file 79- 79 Non-zero number of digits after decimal point for numeric data element 81- 84 Data element type (Num=numeric; Char=character) 86-185 Data element label NIS 2018 NIS_2018_Core 1 AGE 1 3 Num Age in years at admission NIS 2018 NIS_2018_Core 2 AGE_NEONATE 4 5 Num Neonatal age (first 28 days after birth) indicator NIS 2018 NIS_2018_Core 3 AMONTH 6 7 Num Admission month NIS 2018 NIS_2018_Core 4 AWEEKEND 8 9 Num Admission day is a weekend NIS 2018 NIS_2018_Core 5 DIED 10 11 Num Died during hospitalization NIS 2018 NIS_2018_Core 6 DISCWT 12 22 7 Num NIS discharge weight NIS 2018 NIS_2018_Core 7 DISPUNIFORM 23 24 Num Disposition of patient (uniform) NIS 2018 NIS_2018_Core 8 DQTR 25 26 Num Discharge quarter NIS 2018 NIS_2018_Core 9 DRG 27 29 Num DRG in effect on discharge date NIS 2018 NIS_2018_Core 10 DRGVER 30 31 Num DRG grouper version used on discharge date NIS 2018 NIS_2018_Core 11 DRG_NoPOA 32 34 Num DRG in use on discharge date, calculated without POA NIS 2018 NIS_2018_Core 12 ELECTIVE 35 36 Num Elective versus non-elective admission NIS 2018 NIS_2018_Core 13 FEMALE 37 38 Num Indicator of sex NIS 2018 NIS_2018_Core 14 HCUP_ED 39 41 Num HCUP Emergency Department service indicator NIS 2018 NIS_2018_Core 15 HOSP_DIVISION 42 43 Num Census Division of hospital NIS 2018 NIS_2018_Core 16 HOSP_NIS 44 48 Num NIS hospital number NIS 2018 NIS_2018_Core 17 I10_DX1 49 55 Char ICD-10-CM Diagnosis 1 NIS 2018 NIS_2018_Core 18 I10_DX2 56 62 Char ICD-10-CM Diagnosis 2 NIS 2018 NIS_2018_Core 19 I10_DX3 63 69 Char ICD-10-CM Diagnosis 3 NIS 2018 NIS_2018_Core 20 I10_DX4 70 76 Char ICD-10-CM Diagnosis 4 NIS 2018 NIS_2018_Core 21 I10_DX5 77 83 Char ICD-10-CM Diagnosis 5 NIS 2018 NIS_2018_Core 22 I10_DX6 84 90 Char ICD-10-CM Diagnosis 6 NIS 2018 NIS_2018_Core 23 I10_DX7 91 97 Char ICD-10-CM Diagnosis 7 NIS 2018 NIS_2018_Core 24 I10_DX8 98 104 Char ICD-10-CM Diagnosis 8 NIS 2018 NIS_2018_Core 25 I10_DX9 105 111 Char ICD-10-CM Diagnosis 9 NIS 2018 NIS_2018_Core 26 I10_DX10 112 118 Char ICD-10-CM Diagnosis 10 NIS 2018 NIS_2018_Core 27 I10_DX11 119 125 Char ICD-10-CM Diagnosis 11 NIS 2018 NIS_2018_Core 28 I10_DX12 126 132 Char ICD-10-CM Diagnosis 12 NIS 2018 NIS_2018_Core 29 I10_DX13 133 139 Char ICD-10-CM Diagnosis 13 NIS 2018 NIS_2018_Core 30 I10_DX14 140 146 Char ICD-10-CM Diagnosis 14 NIS 2018 NIS_2018_Core 31 I10_DX15 147 153 Char ICD-10-CM Diagnosis 15 NIS 2018 NIS_2018_Core 32 I10_DX16 154 160 Char ICD-10-CM Diagnosis 16 NIS 2018 NIS_2018_Core 33 I10_DX17 161 167 Char ICD-10-CM Diagnosis 17 NIS 2018 NIS_2018_Core 34 I10_DX18 168 174 Char ICD-10-CM Diagnosis 18 NIS 2018 NIS_2018_Core 35 I10_DX19 175 181 Char ICD-10-CM Diagnosis 19 NIS 2018 NIS_2018_Core 36 I10_DX20 182 188 Char ICD-10-CM Diagnosis 20 NIS 2018 NIS_2018_Core 37 I10_DX21 189 195 Char ICD-10-CM Diagnosis 21 NIS 2018 NIS_2018_Core 38 I10_DX22 196 202 Char ICD-10-CM Diagnosis 22 NIS 2018 NIS_2018_Core 39 I10_DX23 203 209 Char ICD-10-CM Diagnosis 23 NIS 2018 NIS_2018_Core 40 I10_DX24 210 216 Char ICD-10-CM Diagnosis 24 NIS 2018 NIS_2018_Core 41 I10_DX25 217 223 Char ICD-10-CM Diagnosis 25 NIS 2018 NIS_2018_Core 42 I10_DX26 224 230 Char ICD-10-CM Diagnosis 26 NIS 2018 NIS_2018_Core 43 I10_DX27 231 237 Char ICD-10-CM Diagnosis 27 NIS 2018 NIS_2018_Core 44 I10_DX28 238 244 Char ICD-10-CM Diagnosis 28 NIS 2018 NIS_2018_Core 45 I10_DX29 245 251 Char ICD-10-CM Diagnosis 29 NIS 2018 NIS_2018_Core 46 I10_DX30 252 258 Char ICD-10-CM Diagnosis 30 NIS 2018 NIS_2018_Core 47 I10_DX31 259 265 Char ICD-10-CM Diagnosis 31 NIS 2018 NIS_2018_Core 48 I10_DX32 266 272 Char ICD-10-CM Diagnosis 32 NIS 2018 NIS_2018_Core 49 I10_DX33 273 279 Char ICD-10-CM Diagnosis 33 NIS 2018 NIS_2018_Core 50 I10_DX34 280 286 Char ICD-10-CM Diagnosis 34 NIS 2018 NIS_2018_Core 51 I10_DX35 287 293 Char ICD-10-CM Diagnosis 35 NIS 2018 NIS_2018_Core 52 I10_DX36 294 300 Char ICD-10-CM Diagnosis 36 NIS 2018 NIS_2018_Core 53 I10_DX37 301 307 Char ICD-10-CM Diagnosis 37 NIS 2018 NIS_2018_Core 54 I10_DX38 308 314 Char ICD-10-CM Diagnosis 38 NIS 2018 NIS_2018_Core 55 I10_DX39 315 321 Char ICD-10-CM Diagnosis 39 NIS 2018 NIS_2018_Core 56 I10_DX40 322 328 Char ICD-10-CM Diagnosis 40 NIS 2018 NIS_2018_Core 57 I10_NDX 329 330 Num ICD-10-CM Number of diagnoses on this record NIS 2018 NIS_2018_Core 58 I10_NPR 331 332 Num ICD-10-PCS Number of procedures on this record NIS 2018 NIS_2018_Core 59 I10_PR1 333 339 Char ICD-10-PCS Procedure 1 NIS 2018 NIS_2018_Core 60 I10_PR2 340 346 Char ICD-10-PCS Procedure 2 NIS 2018 NIS_2018_Core 61 I10_PR3 347 353 Char ICD-10-PCS Procedure 3 NIS 2018 NIS_2018_Core 62 I10_PR4 354 360 Char ICD-10-PCS Procedure 4 NIS 2018 NIS_2018_Core 63 I10_PR5 361 367 Char ICD-10-PCS Procedure 5 NIS 2018 NIS_2018_Core 64 I10_PR6 368 374 Char ICD-10-PCS Procedure 6 NIS 2018 NIS_2018_Core 65 I10_PR7 375 381 Char ICD-10-PCS Procedure 7 NIS 2018 NIS_2018_Core 66 I10_PR8 382 388 Char ICD-10-PCS Procedure 8 NIS 2018 NIS_2018_Core 67 I10_PR9 389 395 Char ICD-10-PCS Procedure 9 NIS 2018 NIS_2018_Core 68 I10_PR10 396 402 Char ICD-10-PCS Procedure 10 NIS 2018 NIS_2018_Core 69 I10_PR11 403 409 Char ICD-10-PCS Procedure 11 NIS 2018 NIS_2018_Core 70 I10_PR12 410 416 Char ICD-10-PCS Procedure 12 NIS 2018 NIS_2018_Core 71 I10_PR13 417 423 Char ICD-10-PCS Procedure 13 NIS 2018 NIS_2018_Core 72 I10_PR14 424 430 Char ICD-10-PCS Procedure 14 NIS 2018 NIS_2018_Core 73 I10_PR15 431 437 Char ICD-10-PCS Procedure 15 NIS 2018 NIS_2018_Core 74 I10_PR16 438 444 Char ICD-10-PCS Procedure 16 NIS 2018 NIS_2018_Core 75 I10_PR17 445 451 Char ICD-10-PCS Procedure 17 NIS 2018 NIS_2018_Core 76 I10_PR18 452 458 Char ICD-10-PCS Procedure 18 NIS 2018 NIS_2018_Core 77 I10_PR19 459 465 Char ICD-10-PCS Procedure 19 NIS 2018 NIS_2018_Core 78 I10_PR20 466 472 Char ICD-10-PCS Procedure 20 NIS 2018 NIS_2018_Core 79 I10_PR21 473 479 Char ICD-10-PCS Procedure 21 NIS 2018 NIS_2018_Core 80 I10_PR22 480 486 Char ICD-10-PCS Procedure 22 NIS 2018 NIS_2018_Core 81 I10_PR23 487 493 Char ICD-10-PCS Procedure 23 NIS 2018 NIS_2018_Core 82 I10_PR24 494 500 Char ICD-10-PCS Procedure 24 NIS 2018 NIS_2018_Core 83 I10_PR25 501 507 Char ICD-10-PCS Procedure 25 NIS 2018 NIS_2018_Core 84 KEY_NIS 508 517 Num NIS record number NIS 2018 NIS_2018_Core 85 LOS 518 522 Num Length of stay (cleaned) NIS 2018 NIS_2018_Core 86 MDC 523 524 Num MDC in effect on discharge date NIS 2018 NIS_2018_Core 87 MDC_NoPOA 525 526 Num MDC in use on discharge date, calculated without POA NIS 2018 NIS_2018_Core 88 NIS_STRATUM 527 530 Num NIS hospital stratum NIS 2018 NIS_2018_Core 89 PAY1 531 532 Num Primary expected payer (uniform) NIS 2018 NIS_2018_Core 90 PL_NCHS 533 535 Num Patient Location: NCHS Urban-Rural Code NIS 2018 NIS_2018_Core 91 PRDAY1 536 538 Num Number of days from admission to I10_PR1 NIS 2018 NIS_2018_Core 92 PRDAY2 539 541 Num Number of days from admission to I10_PR2 NIS 2018 NIS_2018_Core 93 PRDAY3 542 544 Num Number of days from admission to I10_PR3 NIS 2018 NIS_2018_Core 94 PRDAY4 545 547 Num Number of days from admission to I10_PR4 NIS 2018 NIS_2018_Core 95 PRDAY5 548 550 Num Number of days from admission to I10_PR5 NIS 2018 NIS_2018_Core 96 PRDAY6 551 553 Num Number of days from admission to I10_PR6 NIS 2018 NIS_2018_Core 97 PRDAY7 554 556 Num Number of days from admission to I10_PR7 NIS 2018 NIS_2018_Core 98 PRDAY8 557 559 Num Number of days from admission to I10_PR8 NIS 2018 NIS_2018_Core 99 PRDAY9 560 562 Num Number of days from admission to I10_PR9 NIS 2018 NIS_2018_Core 100 PRDAY10 563 565 Num Number of days from admission to I10_PR10 NIS 2018 NIS_2018_Core 101 PRDAY11 566 568 Num Number of days from admission to I10_PR11 NIS 2018 NIS_2018_Core 102 PRDAY12 569 571 Num Number of days from admission to I10_PR12 NIS 2018 NIS_2018_Core 103 PRDAY13 572 574 Num Number of days from admission to I10_PR13 NIS 2018 NIS_2018_Core 104 PRDAY14 575 577 Num Number of days from admission to I10_PR14 NIS 2018 NIS_2018_Core 105 PRDAY15 578 580 Num Number of days from admission to I10_PR15 NIS 2018 NIS_2018_Core 106 PRDAY16 581 583 Num Number of days from admission to I10_PR16 NIS 2018 NIS_2018_Core 107 PRDAY17 584 586 Num Number of days from admission to I10_PR17 NIS 2018 NIS_2018_Core 108 PRDAY18 587 589 Num Number of days from admission to I10_PR18 NIS 2018 NIS_2018_Core 109 PRDAY19 590 592 Num Number of days from admission to I10_PR19 NIS 2018 NIS_2018_Core 110 PRDAY20 593 595 Num Number of days from admission to I10_PR20 NIS 2018 NIS_2018_Core 111 PRDAY21 596 598 Num Number of days from admission to I10_PR21 NIS 2018 NIS_2018_Core 112 PRDAY22 599 601 Num Number of days from admission to I10_PR22 NIS 2018 NIS_2018_Core 113 PRDAY23 602 604 Num Number of days from admission to I10_PR23 NIS 2018 NIS_2018_Core 114 PRDAY24 605 607 Num Number of days from admission to I10_PR24 NIS 2018 NIS_2018_Core 115 PRDAY25 608 610 Num Number of days from admission to I10_PR25 NIS 2018 NIS_2018_Core 116 RACE 611 612 Num Race (uniform) NIS 2018 NIS_2018_Core 117 TOTCHG 613 622 Num Total charges (cleaned) NIS 2018 NIS_2018_Core 118 TRAN_IN 623 624 Num Transfer in indicator NIS 2018 NIS_2018_Core 119 TRAN_OUT 625 626 Num Transfer out indicator NIS 2018 NIS_2018_Core 120 YEAR 627 630 Num Calendar year NIS 2018 NIS_2018_Core 121 ZIPINC_QRTL 631 632 Num Median household income national quartile for patient ZIP Code