FAQ Directory: HEDIS

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10.15.2021 General Guideline 32: Obtaining Information for the Systematic Sample Should the number of numerator events by administrative data in the eligible population (before exclusions), the number of required exclusions and the current year’s administrative rate (before exclusions) data elements change with a data refresh after the sample has been drawn?

No. The number of numerator events by administrative data in eligible population, the number of required exclusions and the current year’s administrative rate data elements must remain frozen at the time of sampling and do not change with data refresh.