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hcup-us.ahrq.gov/toolssoftware/chronic_icd10/chronic_icd10.jsp
July 01, 2025 - Specify prefix for DX array using macro statement %LET DXPREFIX=
I10_DX1-I10DXn in all HCUP databases starting
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hcup-us.ahrq.gov/toolssoftware/procedureicd10/procedure_icd10.jsp
July 01, 2025 - Specify prefix for PR array using macro statement %LET PRPREFIX=
I10_PR1-I10_PRn in all HCUP databases starting
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hcup-us.ahrq.gov/db/nation/nis/reports/NIS_2003_Design_Report.jsp
January 01, 2003 - The subsamples were selected by drawing every tenth discharge, starting with two different, randomly-selected … starting points. … Having a different starting point for each of the two subsamples guaranteed that the resulting subsamples … The subsamples were selected by drawing every tenth discharge starting with two different starting points … Having a different starting point for each of the two subsamples guaranteed that they would not overlap
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hcup-us.ahrq.gov/db/nation/nis/reports/NIS_2004_Design_Report.jsp
January 01, 2004 - The subsamples were selected by drawing every tenth discharge, starting with two different, randomly-selected … starting points. … Having a different starting point for each of the two subsamples guaranteed that the resulting subsamples … The subsamples were selected by drawing every tenth discharge, starting with two different starting points … Having a different starting point for each of the two subsamples guaranteed that they would not overlap
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hcup-us.ahrq.gov/db/nation/nis/reports/NIS_2005_Design_Report.jsp
January 01, 2005 - The subsamples were selected by drawing every tenth discharge, starting with two different, randomly-selected … starting points. … Having a different starting point for each of the two subsamples guaranteed that the resulting subsamples … The subsamples were selected by drawing every tenth discharge, starting with two different starting points … Having a different starting point for each of the two subsamples guaranteed that they would not overlap
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hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_1998.jsp
January 01, 1998 - Data Elements in the NIS Inpatient Core Files, Starting in 1998
Table 4. … Data Elements in the NIS Hospital Weights File, Starting in 1998
Table 5. … Data Elements in the NIS Inpatient Core Files, Starting in 1998
Note: The 1998 NIS differs from previous … Data Elements in the NIS Hospital Weights File, Starting in 1998
Note: The 1998 NIS differs from
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hcup-us.ahrq.gov/db/nation/nis/reports/NIS_1993_Design_Report.jsp
January 01, 1993 - The subsamples were selected by drawing every tenth discharge starting with two different starting points … Having a different starting point for each of the two subsamples guaranteed that they would not overlap … As an example, if 1989 is taken as a starting year, it can then be seen that 59.8 percent of the 1989
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hcup-us.ahrq.gov/db/state/sasddist/sasddist_filecompmo.jsp
June 01, 2024 - Starting in data year 2018, the HCUP data element HOSPITAL_OWNED can be used to identify hospital-owned
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hcup-us.ahrq.gov/db/vars/age/kidnote.jsp
September 01, 2008 - over 89 are aggregated into a single category of 90 years or older in the HCUP nationwide databases starting … Maine
Starting with 2013 data, the patient age (AGE) is set to 90 for patients age 90 years and older
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hcup-us.ahrq.gov/db/state/sasddist/sasddist_filecompfl.jsp
August 01, 2006 - Starting in data year 2018, the HCUP data element HOSPITAL_OWNED can be used to identify hospital-owned
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hcup-us.ahrq.gov/db/state/sasddist/sasddist_filecompmn.jsp
November 01, 2016 - Starting in data year 2018, the HCUP data element HOSPITAL_OWNED can be used to identify hospital-owned
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hcup-us.ahrq.gov/db/state/sasddist/sasddist_filecompsc.jsp
March 01, 2007 - Starting in data year 2018, the HCUP data element HOSPITAL_OWNED can be used to identify hospital-owned
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hcup-us.ahrq.gov/db/state/sasddist/sasddist_filecompwi.jsp
August 01, 2006 - Starting in data year 2018, the HCUP data element HOSPITAL_OWNED can be used to identify hospital-owned
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hcup-us.ahrq.gov/db/vars/i10_dxn/nedsnote.jsp
May 10, 2015 - Starting at the first secondary diagnosis (I10_DX2), the diagnoses are shifted during HCUP processing
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hcup-us.ahrq.gov/db/nation/nis/tools/stats/FileSpecifications_NIS_2016_Core.TXT
January 01, 2016 - year of data
10- 35 File name
37- 39 Data element number
41- 69 Data element name
71- 73 Starting
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hcup-us.ahrq.gov/db/nation/kid/tools/stats/FileSpecifications_KID_2016_Core.TXT
January 01, 2016 - year of data
10- 35 File name
37- 39 Data element number
41- 69 Data element name
71- 73 Starting
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hcup-us.ahrq.gov/toolssoftware/surgeryflags_svcproc/SF-SvcProc-User-Guide-v2025-1.pdf
June 01, 2025 - Starting with v2020.1, CPT codes in the specified ranges are classified as one of three
categories: … ASSIGNING SURGERY FLAGS FOR SERVICES AND PROCEDURES TO DIFFERENT
DATA YEARS
Starting with v2019.2, … FLAGS
SOFTWARE FOR SERVICES AND PROCEDURES
The Surgery Flags Software for ICD-9-CM was used as the starting
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hcup-us.ahrq.gov/db/nation/neds/NEDS_Introduction_2016.jsp
January 01, 2016 - Starting on October 1, 2015, diagnosis and procedure codes are reported using ICD-10-CM/PCS. … The NEDS contains fields for up to 30 diagnoses starting in data year 2014 (15 diagnoses prior to 2014 … Surveillance System All-Injury Program.
1 Any diagnosis in the following range: All codes starting … with S, codes starting with T07-T34, codes starting with T36-T50 with a 6th character of 1, 2, 3, or … with T51-T65, codes starting with T66-T76, codes starting with T79, codes T84.01 and T84.02, and codes
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hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2015.jsp
January 01, 2015 - Starting in data year 2012, the NIS is a sample of discharges from all hospitals participating in HCUP … Starting in 2005, the AHA included long term acute care facilities with average lengths-of-stay less … Starting with the 2012 NIS, a systematic sampling design was used to construct the database. … Starting on October 1, 2015, diagnosis and procedure codes are reported using ICD-10-CM/PCS. … Starting with the 2012 NIS, a systematic sampling design is used to construct the database.
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hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2006.jsp
January 01, 2006 - Starting with the 2006 NIS, the information on the design of the NIS was incorporated into this report … Starting with the 2006 NIS, the design information was incorporated into this report. … Starting with the 2006 NIS, the design information was incorporated into this report. … The subsamples were selected by drawing every tenth discharge, starting with two different starting points … Having a different starting point for each of the two subsamples guaranteed that they would not overlap