FAQ Directory: HEDIS for the Quality Rating System

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10.15.2018 Proportion of Days Covered Should the upper and lower Confidence Interval data elements be removed from the reporting tables in the Proportion of Days Covered (PDC) measure?

Yes. NCQA removed confidence intervals from all measures and data collection (IDSS) in HEDIS 2019; this applies to all related products using IDSS, including the QRS PDC measure.
Organizations that want to calculate or use confidence intervals must use the other data element fields and calculate confidence intervals for internal analysis.