AHRQ QI Software for SAS ICD-09-CM/PCS Release Notes

The Agency for Healthcare Research and Quality, AHRQ, Quality Indicator modules are programs 
that apply the quality indicator technical specifications to user supplied discharge data.
The modules require SAS which may be purchased from The SAS Institute.
The AHRQ Quality Indicator software is intended for use with discharges coded according to the
standards in place on the date of the discharge. Discharges should be classified under the 
ICD-09-CM specifications effective 10/1/2007 through 09/30/2015.
This release note lists the changes to the software since the previous release. For specific details
on annual coding updates, measure specification changes, population files and risk adjustment
coefficient outputs, see the AHRQ QI SOFTWARE, SAS, VERSION 6.0 RELEASE NOTES document on the website:
https://www.qualityindicators.ahrq.gov/Software/SASv60ICD9.aspx.

The software includes separate packages for each of the following modules.
    Inpatient Safety Indicators (IQI)
    Patient Quality Indicators (PQI)
    Patient Safety Indicators (PSI)
    Pediatric Quality Indicators (PDI)
    Patient Safety Indicator 17 (PSI17) - single measure program also included in PDI
    Patient Quality Indicators 09(PQI09) - single measure program also included in PDI

Population File pop95t15.txt 1995-2015 Population - required for Area Measure rate calculations.
Available as separate download from http://www.qualityindicators.ahrq.gov/software/SAS.aspx.

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Version 6.0.2, ICD-09
Release date: July 2017
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The v6.0.2 includes updates to the PSI module, No updates are made in IQI and PQI modules. 
This release doesn't include the PDI module. The PDI module will be released in the next update.
The high level code changes are listed below:
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- Inclusion of Medicare Severity – Diagnosis Related Groups 237 & 238. The MS-DRGs were restored in the software that
  are used to define surgical patients at risk for various PSIs, after being removed in the previous release. (PSI)

- Reassignment of Modified – Diagnosis Related Group (MDRG) 520(ACUTE MYOCARDIAL INFARCTION, DISCHARGED ALIVE)
 and MDRG 521 (ACUTE MYCARDIAL INFARCTION (AMI), EXPIRED) into a revised MDRG 520 (ACUTE MYOCARDIAL INFARCTION). (PSI)

- Correction of Modified – Diagnostic Related Group (MDRG) in the risk adjustment model.  (PSI)
    
- Inclusion logic that imputes MDC for discharges missing MDC using principal diagnosis. 
  The modification of imputed MDC adjusts for pre-MDC and OR Procedure MDC 24 to map correctly to Medicare 
  definition. (PSI, PDI)
  
- Added severity variables to adjust PSI 04 risk adjusted rates (PSI)

- Corrected MS-DRG to Modified DRG map for MS-DRG 280-285, 789, and 790. (PSI)

- Modified code in PROV_RISKADJ to prevent the SUMWGT warning from being triggered. (IQI, PSI) 

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Version 6.0.1, ICD-09
Release date: March 2017
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The v6.0.1 includes updates to PSI and PQI modules. Additionally, IQI module is included 
in this release. This release doesn't include the PDI module.  
The high level code changes are listed below:
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- Updated POVCAT county poverty deciles based on the 2013 census.  For users using the optional feature of including 
  poverty in the risk adjusted rate calculation (Risk adjust for SES poverty decile checkbox) on the Area level Reports,
  the 2010 poverty rates were used in the v6.0 release. The POVCAT information is now updated with the 2013 data. (PQI)

- Removed unused variables; MAXDX, MAXPR, NOPOUB04, NOPRDAY, TRNSOUT, PALLIAFG, and DNR.(PSI, PQI)

- Stratified measures are scored by rolling up strata measures (IQI, PSI).

- Composite measure weights moved to a software-generated external weights file. (IQI, PSI)

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Version 6.0, ICD-09
Release date: September 2016
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Version v6.0 includes PSI and PQI modules. This release doesn't include IQI and PDI modules. 
The high level code changes are listed below:
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-Removed former DRG classification from software. Only MS-DRG is included. Measure calculation for
discharges prior to October 1, 2007 will be produced, but unrecognized DRG values will impact results.

-Removed NOPOA option. Discharges require Present on Admission, POA, coding. Files without POA fields will be
processed with all diagnosis codes as not present on admission.

-Place repeated software logic references and %macros into a centralized include library.

-Deleted extraneous DECUBVD format where accompanied by INFECID in the same criteria. (PSI)

-Formats updated to ensure distinct and consistent code sets and names across modules. Unused formats
were removed.

-Program filenames were updated to reflect output; Measure, Observed, Risk Adjustment, and composite, 
 and Type; All, Provider, and Area.

-All executable SAS include files now have .sas extensions

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Measure specific changes are outlined in the AHRQ SAS download page;
PSI Module:
https://www.qualityindicators.ahrq.gov/Downloads/Modules/PSI/V60/ChangeLog_PSI_v60.pdf
IQI Module :
https://www.qualityindicators.ahrq.gov/Downloads/Modules/IQI/V60/ChangeLog_IQI_v60.pdf
PQI Module:
https://www.qualityindicators.ahrq.gov/Downloads/Modules/PQI/V60/ChangeLog_PQI_v60.pdf 
PDI Module (Includes PSI09 and PQI17):
https://www.qualityindicators.ahrq.gov/Downloads/Modules/PDI/V60/ChangeLog_PSI_v60.pdf

Additional details on changes prior to 5.0  are available from the AHRQ website:
http://www.qualityindicators.ahrq.gov/Archive/default.aspx#psi
