Data Set Name: NIS_2024_CORE Number of Observations: 7003015 Total Record Length: 643 Total Number of Data Elements: 125 Created on 10/07/2026. Columns Description ======= =========== 1- 3 Database name 5- 8 Discharge year of data 10- 35 File name 37- 40 Data element number 42- 70 Data element name 72- 75 Starting column of data element in ASCII file 77- 80 Ending column of data element in ASCII file 82- 82 Non-zero number of digits after decimal point for numeric data element 84- 87 Data element type (Num=numeric; Char=character) 89-188 Data element label NIS 2024 NIS_2024_Core 1 HOSP_NIS 1 5 Num NIS hospital number NIS 2024 NIS_2024_Core 2 KEY_NIS 6 15 Num NIS record number NIS 2024 NIS_2024_Core 3 AGE 16 18 Num Age in years at admission NIS 2024 NIS_2024_Core 4 AGE_NEONATE 19 20 Num Neonatal age (first 28 days after birth) indicator NIS 2024 NIS_2024_Core 5 AMONTH 21 22 Num Admission month NIS 2024 NIS_2024_Core 6 AWEEKEND 23 24 Num Admission day is a weekend NIS 2024 NIS_2024_Core 7 DIED 25 26 Num Died during hospitalization NIS 2024 NIS_2024_Core 8 DISCWT 27 37 7 Num NIS discharge weight NIS 2024 NIS_2024_Core 9 DISPUNIFORM 38 39 Num Disposition of patient (uniform) NIS 2024 NIS_2024_Core 10 DQTR 40 41 Num Discharge quarter NIS 2024 NIS_2024_Core 11 DRG 42 44 Num DRG in effect on discharge date NIS 2024 NIS_2024_Core 12 DRGVER 45 46 Num DRG grouper version used on discharge date NIS 2024 NIS_2024_Core 13 DRG_NoPOA 47 49 Num DRG in use on discharge date, calculated without POA NIS 2024 NIS_2024_Core 14 ELECTIVE 50 51 Num Elective versus non-elective admission NIS 2024 NIS_2024_Core 15 FEMALE 52 53 Num Indicator of sex NIS 2024 NIS_2024_Core 16 HCUP_ED 54 56 Num HCUP Emergency Department service indicator NIS 2024 NIS_2024_Core 17 I10_BIRTH 57 59 Num ICD-10-CM Birth Indicator NIS 2024 NIS_2024_Core 18 I10_DELIVERY 60 62 Num ICD-10-CM Delivery Indicator NIS 2024 NIS_2024_Core 19 I10_DX1 63 69 Char ICD-10-CM Diagnosis 1 NIS 2024 NIS_2024_Core 20 I10_DX2 70 76 Char ICD-10-CM Diagnosis 2 NIS 2024 NIS_2024_Core 21 I10_DX3 77 83 Char ICD-10-CM Diagnosis 3 NIS 2024 NIS_2024_Core 22 I10_DX4 84 90 Char ICD-10-CM Diagnosis 4 NIS 2024 NIS_2024_Core 23 I10_DX5 91 97 Char ICD-10-CM Diagnosis 5 NIS 2024 NIS_2024_Core 24 I10_DX6 98 104 Char ICD-10-CM Diagnosis 6 NIS 2024 NIS_2024_Core 25 I10_DX7 105 111 Char ICD-10-CM Diagnosis 7 NIS 2024 NIS_2024_Core 26 I10_DX8 112 118 Char ICD-10-CM Diagnosis 8 NIS 2024 NIS_2024_Core 27 I10_DX9 119 125 Char ICD-10-CM Diagnosis 9 NIS 2024 NIS_2024_Core 28 I10_DX10 126 132 Char ICD-10-CM Diagnosis 10 NIS 2024 NIS_2024_Core 29 I10_DX11 133 139 Char ICD-10-CM Diagnosis 11 NIS 2024 NIS_2024_Core 30 I10_DX12 140 146 Char ICD-10-CM Diagnosis 12 NIS 2024 NIS_2024_Core 31 I10_DX13 147 153 Char ICD-10-CM Diagnosis 13 NIS 2024 NIS_2024_Core 32 I10_DX14 154 160 Char ICD-10-CM Diagnosis 14 NIS 2024 NIS_2024_Core 33 I10_DX15 161 167 Char ICD-10-CM Diagnosis 15 NIS 2024 NIS_2024_Core 34 I10_DX16 168 174 Char ICD-10-CM Diagnosis 16 NIS 2024 NIS_2024_Core 35 I10_DX17 175 181 Char ICD-10-CM Diagnosis 17 NIS 2024 NIS_2024_Core 36 I10_DX18 182 188 Char ICD-10-CM Diagnosis 18 NIS 2024 NIS_2024_Core 37 I10_DX19 189 195 Char ICD-10-CM Diagnosis 19 NIS 2024 NIS_2024_Core 38 I10_DX20 196 202 Char ICD-10-CM Diagnosis 20 NIS 2024 NIS_2024_Core 39 I10_DX21 203 209 Char ICD-10-CM Diagnosis 21 NIS 2024 NIS_2024_Core 40 I10_DX22 210 216 Char ICD-10-CM Diagnosis 22 NIS 2024 NIS_2024_Core 41 I10_DX23 217 223 Char ICD-10-CM Diagnosis 23 NIS 2024 NIS_2024_Core 42 I10_DX24 224 230 Char ICD-10-CM Diagnosis 24 NIS 2024 NIS_2024_Core 43 I10_DX25 231 237 Char ICD-10-CM Diagnosis 25 NIS 2024 NIS_2024_Core 44 I10_DX26 238 244 Char ICD-10-CM Diagnosis 26 NIS 2024 NIS_2024_Core 45 I10_DX27 245 251 Char ICD-10-CM Diagnosis 27 NIS 2024 NIS_2024_Core 46 I10_DX28 252 258 Char ICD-10-CM Diagnosis 28 NIS 2024 NIS_2024_Core 47 I10_DX29 259 265 Char ICD-10-CM Diagnosis 29 NIS 2024 NIS_2024_Core 48 I10_DX30 266 272 Char ICD-10-CM Diagnosis 30 NIS 2024 NIS_2024_Core 49 I10_DX31 273 279 Char ICD-10-CM Diagnosis 31 NIS 2024 NIS_2024_Core 50 I10_DX32 280 286 Char ICD-10-CM Diagnosis 32 NIS 2024 NIS_2024_Core 51 I10_DX33 287 293 Char ICD-10-CM Diagnosis 33 NIS 2024 NIS_2024_Core 52 I10_DX34 294 300 Char ICD-10-CM Diagnosis 34 NIS 2024 NIS_2024_Core 53 I10_DX35 301 307 Char ICD-10-CM Diagnosis 35 NIS 2024 NIS_2024_Core 54 I10_DX36 308 314 Char ICD-10-CM Diagnosis 36 NIS 2024 NIS_2024_Core 55 I10_DX37 315 321 Char ICD-10-CM Diagnosis 37 NIS 2024 NIS_2024_Core 56 I10_DX38 322 328 Char ICD-10-CM Diagnosis 38 NIS 2024 NIS_2024_Core 57 I10_DX39 329 335 Char ICD-10-CM Diagnosis 39 NIS 2024 NIS_2024_Core 58 I10_DX40 336 342 Char ICD-10-CM Diagnosis 40 NIS 2024 NIS_2024_Core 59 I10_INJURY 343 344 Num Injury ICD-10-CM diagnosis reported on record (1: First-listed injury; 2: Other than first-listed injury; 0: No injury) NIS 2024 NIS_2024_Core 60 I10_MULTINJURY 345 346 Num Multiple ICD-10-CM injuries reported on record NIS 2024 NIS_2024_Core 61 I10_NDX 347 348 Num ICD-10-CM Number of diagnoses on this record NIS 2024 NIS_2024_Core 62 I10_NPR 349 350 Num ICD-10-PCS Number of procedures on this record NIS 2024 NIS_2024_Core 63 I10_PR1 351 357 Char ICD-10-PCS Procedure 1 NIS 2024 NIS_2024_Core 64 I10_PR2 358 364 Char ICD-10-PCS Procedure 2 NIS 2024 NIS_2024_Core 65 I10_PR3 365 371 Char ICD-10-PCS Procedure 3 NIS 2024 NIS_2024_Core 66 I10_PR4 372 378 Char ICD-10-PCS Procedure 4 NIS 2024 NIS_2024_Core 67 I10_PR5 379 385 Char ICD-10-PCS Procedure 5 NIS 2024 NIS_2024_Core 68 I10_PR6 386 392 Char ICD-10-PCS Procedure 6 NIS 2024 NIS_2024_Core 69 I10_PR7 393 399 Char ICD-10-PCS Procedure 7 NIS 2024 NIS_2024_Core 70 I10_PR8 400 406 Char ICD-10-PCS Procedure 8 NIS 2024 NIS_2024_Core 71 I10_PR9 407 413 Char ICD-10-PCS Procedure 9 NIS 2024 NIS_2024_Core 72 I10_PR10 414 420 Char ICD-10-PCS Procedure 10 NIS 2024 NIS_2024_Core 73 I10_PR11 421 427 Char ICD-10-PCS Procedure 11 NIS 2024 NIS_2024_Core 74 I10_PR12 428 434 Char ICD-10-PCS Procedure 12 NIS 2024 NIS_2024_Core 75 I10_PR13 435 441 Char ICD-10-PCS Procedure 13 NIS 2024 NIS_2024_Core 76 I10_PR14 442 448 Char ICD-10-PCS Procedure 14 NIS 2024 NIS_2024_Core 77 I10_PR15 449 455 Char ICD-10-PCS Procedure 15 NIS 2024 NIS_2024_Core 78 I10_PR16 456 462 Char ICD-10-PCS Procedure 16 NIS 2024 NIS_2024_Core 79 I10_PR17 463 469 Char ICD-10-PCS Procedure 17 NIS 2024 NIS_2024_Core 80 I10_PR18 470 476 Char ICD-10-PCS Procedure 18 NIS 2024 NIS_2024_Core 81 I10_PR19 477 483 Char ICD-10-PCS Procedure 19 NIS 2024 NIS_2024_Core 82 I10_PR20 484 490 Char ICD-10-PCS Procedure 20 NIS 2024 NIS_2024_Core 83 I10_PR21 491 497 Char ICD-10-PCS Procedure 21 NIS 2024 NIS_2024_Core 84 I10_PR22 498 504 Char ICD-10-PCS Procedure 22 NIS 2024 NIS_2024_Core 85 I10_PR23 505 511 Char ICD-10-PCS Procedure 23 NIS 2024 NIS_2024_Core 86 I10_PR24 512 518 Char ICD-10-PCS Procedure 24 NIS 2024 NIS_2024_Core 87 I10_PR25 519 525 Char ICD-10-PCS Procedure 25 NIS 2024 NIS_2024_Core 88 I10_SERVICELINE 526 528 Num ICD-10-CM/PCS Hospital Service Line NIS 2024 NIS_2024_Core 89 LOS 529 533 Num Length of stay (cleaned) NIS 2024 NIS_2024_Core 90 MDC 534 535 Num MDC in effect on discharge date NIS 2024 NIS_2024_Core 91 MDC_NoPOA 536 537 Num MDC in use on discharge date, calculated without POA NIS 2024 NIS_2024_Core 92 NIS_STRATUM 538 541 Num NIS hospital stratum NIS 2024 NIS_2024_Core 93 PAY1 542 543 Num Primary expected payer (uniform) NIS 2024 NIS_2024_Core 94 PCLASS_ORPROC 544 545 Num Indicates operating room (major diagnostic or therapeutic) procedure on the record NIS 2024 NIS_2024_Core 95 PRDAY1 546 548 Num Number of days from admission to I10_PR1 NIS 2024 NIS_2024_Core 96 PRDAY2 549 551 Num Number of days from admission to I10_PR2 NIS 2024 NIS_2024_Core 97 PRDAY3 552 554 Num Number of days from admission to I10_PR3 NIS 2024 NIS_2024_Core 98 PRDAY4 555 557 Num Number of days from admission to I10_PR4 NIS 2024 NIS_2024_Core 99 PRDAY5 558 560 Num Number of days from admission to I10_PR5 NIS 2024 NIS_2024_Core 100 PRDAY6 561 563 Num Number of days from admission to I10_PR6 NIS 2024 NIS_2024_Core 101 PRDAY7 564 566 Num Number of days from admission to I10_PR7 NIS 2024 NIS_2024_Core 102 PRDAY8 567 569 Num Number of days from admission to I10_PR8 NIS 2024 NIS_2024_Core 103 PRDAY9 570 572 Num Number of days from admission to I10_PR9 NIS 2024 NIS_2024_Core 104 PRDAY10 573 575 Num Number of days from admission to I10_PR10 NIS 2024 NIS_2024_Core 105 PRDAY11 576 578 Num Number of days from admission to I10_PR11 NIS 2024 NIS_2024_Core 106 PRDAY12 579 581 Num Number of days from admission to I10_PR12 NIS 2024 NIS_2024_Core 107 PRDAY13 582 584 Num Number of days from admission to I10_PR13 NIS 2024 NIS_2024_Core 108 PRDAY14 585 587 Num Number of days from admission to I10_PR14 NIS 2024 NIS_2024_Core 109 PRDAY15 588 590 Num Number of days from admission to I10_PR15 NIS 2024 NIS_2024_Core 110 PRDAY16 591 593 Num Number of days from admission to I10_PR16 NIS 2024 NIS_2024_Core 111 PRDAY17 594 596 Num Number of days from admission to I10_PR17 NIS 2024 NIS_2024_Core 112 PRDAY18 597 599 Num Number of days from admission to I10_PR18 NIS 2024 NIS_2024_Core 113 PRDAY19 600 602 Num Number of days from admission to I10_PR19 NIS 2024 NIS_2024_Core 114 PRDAY20 603 605 Num Number of days from admission to I10_PR20 NIS 2024 NIS_2024_Core 115 PRDAY21 606 608 Num Number of days from admission to I10_PR21 NIS 2024 NIS_2024_Core 116 PRDAY22 609 611 Num Number of days from admission to I10_PR22 NIS 2024 NIS_2024_Core 117 PRDAY23 612 614 Num Number of days from admission to I10_PR23 NIS 2024 NIS_2024_Core 118 PRDAY24 615 617 Num Number of days from admission to I10_PR24 NIS 2024 NIS_2024_Core 119 PRDAY25 618 620 Num Number of days from admission to I10_PR25 NIS 2024 NIS_2024_Core 120 TRAN_IN 621 622 Num Transfer in indicator NIS 2024 NIS_2024_Core 121 TRAN_OUT 623 624 Num Transfer out indicator NIS 2024 NIS_2024_Core 122 YEAR 625 628 Num Calendar year NIS 2024 NIS_2024_Core 123 ZIPINC_QRTL 629 630 Num Median household income national quartile for patient ZIP Code NIS 2024 NIS_2024_Core 124 PL_NCHS2 631 633 Num Patient Location: NCHS Urban-Rural Code (collapsed) NIS 2024 NIS_2024_Core 125 TOTCHG_2024 634 643 Num Total charges adjusted for national estimates