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