FAQ Directory: HEDIS

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4.15.2019 SES Guidance in Technical Update The SES stratification guidance in the HEDIS 2019 Volume 2 Technical Update Memo indicates that the “Unknown” category may be used for only Puerto Rico plans or if the auditor approves a small number of unassigned members. Is there a specific number of Unknown members a plan is allowed to report?

Except for plans in Puerto Rico, which report all members in the “Unknown” category, it is expected that the member count in this category will be fewer than 10. Plans should determine why members are reported as “Unknown” and be able to explain the reason to their auditor.

This category should not be used for members who are disenrolled for the 2019 calendar year and consequently have no record in the December 2018 Monthly Membership Detail File. Use the October and November files for these members.

HEDIS 2019