-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_1998_CORE10Av2.TXT
January 01, 1998 - Data Set Name: NIS_1998_CORE10A
Number of Observations: 682735
Total Record Length: … 484
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 … column of variable in ASCII file
55- 57 Ending column of variable in ASCII file
59 Non-zero number … (synthetic)
NIS 1998 CORE10A 59 NDX 256 257 Num Number of diagnoses on
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_1998_CORE10Bv2.TXT
January 01, 1998 - Data Set Name: NIS_1998_CORE10B
Number of Observations: 682735
Total Record Length: … 484
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 … column of variable in ASCII file
55- 57 Ending column of variable in ASCII file
59 Non-zero number … (synthetic)
NIS 1998 CORE10B 59 NDX 256 257 Num Number of diagnoses on
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/FileSpecifications_NIS_2002_10PCT_SAMPLE_B.TXT
January 01, 2002 - Data Set Name: NIS_2002_10PCT_SAMPLE_B
Number of Observations: 785398
Total Record Length: 490 … 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 … column of variable in ASCII file
55- 57 Ending column of variable in ASCII file
59 Non-zero number … )
NIS 2002 10PCT_SAMPLE_B 59 NDX 274 275 Num Number of diagnoses on this record
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_2000_CORE_10B.TXT
January 01, 2000 - Data Set Name: NIS_2000_10PCT_SAMPLE_B
Number of Observations: 745099
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 … column of variable in ASCII file
55- 57 Ending column of variable in ASCII file
59 Non-zero number … (synthetic)
NIS 2000 10PCT_SAMPLE_B 58 NDX 261 262 Num Number of diagnoses on
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_2001_CORE.TXT
January 01, 2001 - Data Set Name: NIS_2001_CORE
Number of Observations: 7452727
Total Record Length … : 483
Total Number of Variables: 115
Columns Description:
======= ============
1- 3 … Database name
5- 8 Discharge year of data
10- 25 File name
27- 29 Variable number
31- … column of variable in ASCII file
55- 57 Ending column of variable in ASCII file
59 Non-zero number … )
NIS 2001 CORE 58 NDX 267 268 Num Number of diagnoses on this record
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_1999_COREv2.TXT
January 01, 1999 - Data Set Name: NIS_1999_CORE
Number of Observations: 7198929
Total Record Length … : 484
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- … column of variable in ASCII file
55- 57 Ending column of variable in ASCII file
59 Non-zero number … (synthetic)
NIS 1999 CORE 59 NDX 256 257 Num Number of diagnoses on
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_1999_CORE10Av2.TXT
January 01, 1999 - Data Set Name: NIS_1999_CORE10A
Number of Observations: 719893
Total Record Length: … 484
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 … column of variable in ASCII file
55- 57 Ending column of variable in ASCII file
59 Non-zero number … (synthetic)
NIS 1999 CORE10A 59 NDX 256 257 Num Number of diagnoses on
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_1999_CORE10Bv2.TXT
January 01, 1999 - Data Set Name: NIS_1999_CORE10B
Number of Observations: 719893
Total Record Length: … 484
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 … column of variable in ASCII file
55- 57 Ending column of variable in ASCII file
59 Non-zero number … (synthetic)
NIS 1999 CORE10B 59 NDX 256 257 Num Number of diagnoses on
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_1998_COREv2.TXT
January 01, 1998 - Data Set Name: NIS_1998_CORE
Number of Observations: 6827350
Total Record Length … : 484
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- … column of variable in ASCII file
55- 57 Ending column of variable in ASCII file
59 Non-zero number … (synthetic)
NIS 1998 CORE 59 NDX 256 257 Num Number of diagnoses on
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_1999_CORE10B.TXT
January 01, 1999 - Data Set Name: NIS_1999_CORE10B
Number of Observations: 719893
Total Record Length: … 484
Total Number of Variables: 116
Columns Description:
======= ============
1- 3 Database … name
5- 8 Discharge year of data
10- 17 File name
19- 21 Variable number
23- 41 Variable … column of variable in ASCII file
47- 49 Ending column of variable in ASCII file
51 Non-zero number … Number of days from admission to PR13
NIS 1999 CORE10B 109 PRDAY14 430 432 Num Number
-
hcup-us.ahrq.gov/db/nation/kid/tools/stats/FileSpecifications_KID_2000_CORE.TXT
January 01, 2000 - Data Set Name: KID_2000_CORE
Number of Observations: 2516833
Total Record Length … : 509
Total Number of Variables: 120
Columns Description:
======= ============
1- 3 … Database name
5- 8 Discharge year of data
10- 25 File name
27- 29 Variable number
31- … column of variable in ASCII file
55- 57 Ending column of variable in ASCII file
59 Non-zero number … (synthetic)
KID 2000 CORE 62 NDX 279 280 Num Number of diagnoses on
-
hcup-us.ahrq.gov/datainnovations/clinicalcontentenhancementtoolkit/mn12.pdf
April 29, 2014 - Field Name Opt Preferred format Table
1 MHA Hospital ID R 3 digits
2 Medical Record Number … R
3 Patient Account Number R
4 Patient DOB R YYYYMMDD
5 Patient Sex R See reference table 1 … R 4 digits
7 Admit Date/Time R YYYYMMDDHHMMSS
8 Discharge Date/Time O YYYYMMDDHHMMSS
9 Order Number … ), 3 (Patient Account Number), and 7 (Admit
Date/Time) are required to link UB data … Same as in UB data.
2 Medical Record Number
3 Patient Account Number
Hospital internal number
-
hcup-us.ahrq.gov/db/nation/nrd/stats/FileSpecifications_NRD_2022_Severity.TXT
January 01, 2022 - Data Set Name: NRD_2022_SEVERITY
Created on 11/06/2024
Number of Observations: 16517253 … Total Number of Data Elements: 5
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
71 Length of data element
74 Non-zero number of digits after
-
hcup-us.ahrq.gov/db/nation/nrd/stats/FileSpecifications_NRD_2021_Severity.TXT
January 01, 2021 - Data Set Name: NRD_2021_SEVERITY
Created on 12/29/2023
Number of Observations: 16805508 … Total Number of Data Elements: 5
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
71 Length of data element
74 Non-zero number of digits after
-
hcup-us.ahrq.gov/db/nation/nrd/stats/FileSpecifications_NRD_2020_Severity.TXT
January 01, 2020 - Data Set Name: NRD_2020_SEVERITY
Created on 11/23/2022
Number of Observations: 16692694 … Total Number of Data Elements: 5
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
71 Length of data element
74 Non-zero number of digits
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/FileSpecifications_NIS_2004_CORE.TXT
January 01, 2004 - Data Set Name: NIS_2004_CORE
Number of Observations: 8004571
Total Record Length: … 506
Total Number of Variables: 126
Columns Description:
======= ============
1- 3 Database … name
5- 8 Discharge year of data
10- 25 File name
27- 29 Variable number
31- 59 Variable … column of variable in ASCII file
65- 67 Ending column of variable in ASCII file
69 Non-zero number … (re-identified)
NIS 2004 Core 67 NDX 285 286 Num Number of
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/FileSpecifications_NIS_2007_Core.TXT
January 01, 2007 - Data Set Name: NIS_2007_CORE
Number of Observations: 8043415
Total Record Length: … 508
Total Number of Data Elements: 131
Columns Description
======= ===========
1- 3 Database … name
5- 8 Discharge year of data
10- 25 File name
27- 29 Data element number
31- 59 Data … data element in ASCII file
65- 67 Ending column of data element in ASCII file
69 Non-zero number … (re-identified)
NIS 2007 Core 70 NDX 277 278 Num Number of
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/FileSpecifications_NIS_2003_10PCT_SAMPLE_A.TXT
January 01, 2003 - Data Set Name: NIS_2003_10PCT_SAMPLE_A
Number of Observations: 797773
Total Record Length: 505 … Total Number of Variables: 126
Columns Description:
======= ============
1- 3 Database name … 5- 8 Discharge year of data
10- 25 File name
27- 29 Variable number
31- 59 Variable name … column of variable in ASCII file
65- 67 Ending column of variable in ASCII file
69 Non-zero number … (re-identified)
NIS 2003 10PCT_SAMPLE_A 67 NDX 284 285 Num Number of
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/FileSpecifications_NIS_2005_Core.TXT
January 01, 2005 - 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 … data element in ASCII file
65- 67 Ending column of data element in ASCII file
69 Non-zero number … (re-identified)
NIS 2005 Core 67 NDX 285 286 Num Number of
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/FileSpecifications_NIS_2003_CORE.TXT
January 01, 2003 - Data Set Name: NIS_2003_CORE
Number of Observations: 7977728
Total Record Length: … 505
Total Number of Variables: 126
Columns Description:
======= ============
1- 3 Database … name
5- 8 Discharge year of data
10- 25 File name
27- 29 Variable number
31- 59 Variable … column of variable in ASCII file
65- 67 Ending column of variable in ASCII file
69 Non-zero number … (re-identified)
NIS 2003 CORE 67 NDX 284 285 Num Number of