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  2. CQM-3210

CMS149v6 Timeframe Calculation

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      Thank you for your question. Timing calculations should be done according to the Quality Data Model (QDM). The 2018 eCQMs use QDM version 4.3 which can be found on the eCQI Resource center here (https://ecqi.healthit.gov/ecqi-tools-key-resources#quicktabs-tabs_tools2). Details of timing calculations, for months, can be obtained in Appendix B, p. 66.
      Show
      Thank you for your question. Timing calculations should be done according to the Quality Data Model (QDM). The 2018 eCQMs use QDM version 4.3 which can be found on the eCQI Resource center here ( https://ecqi.healthit.gov/ecqi-tools-key-resources#quicktabs-tabs_tools2 ). Details of timing calculations, for months, can be obtained in Appendix B, p. 66.
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      Currently, the timeframe <=x months is identified in CMS138, CMS145, CMS149, CMS164, CMS166, CMS347, CMS69, CMS82, CMS90. With Bonnie Interpretation, the time period increases with additional 29/30days. This gives the possibility for increase in count for IPP, Denominator, Numerator, Exclusion, Exception.
      Show
      Currently, the timeframe <=x months is identified in CMS138, CMS145, CMS149, CMS164, CMS166, CMS347, CMS69, CMS82, CMS90. With Bonnie Interpretation, the time period increases with additional 29/30days. This gives the possibility for increase in count for IPP, Denominator, Numerator, Exclusion, Exception.

      Numerator =

      • AND: Union of:
        • "Assessment, Performed: Standardized Tools for Assessment of Cognition (result)"
        • "Intervention, Performed: Cognitive Assessment"
        • <= 12 month(s) starts before end of Occurrence A of $DEMEncounters149

       

      As per the Measure Specifications for Numerator, Assessment or Intervention performed during <=12 months before end of Occurrence A of $DEMEncounters149 meets Numerator criteria.  Regarding the timeframe interpretation for <=12months - Referring to BONNIE-472  , the solution says calculate <13months from  Occurrence A of $DEMEncounters149 and -1day from it. - for <=12months condition. 

      Quoting the solution from that JIRA: " If you look at 1/1/2012 and subtract 13 months, you get 12/1/2010. So 12/1/2010 is not <= 12 months before 1/1/2012 (it is 13 months before). However, 12/2/2010 is within the 12th month, just at the very end of it, so it is considered <= 12 months before 1/1/2012. " 

       

      There are multiple measures with <=x months timeframe in eCQMs. Should we follow the Bonnie standards for calculating the timeframe (13months - 1day ) or calculate exactly 12 months? 

      That is for 2012 Measurement period ->

      Generally:  From1/1/2012 <=12months before will be 1/1/2011

      According to Bonnie: From 1/1/2012 <=12months before will be  12/2/2010. 

       

            edave Mathematica EC eCQM Team
            priyankamurthy Priyanka Murthy
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