MA plans also varied widely in their coding intensity and resulting revenue. UnitedHealth Group's MA market share was 27% in 2021, but the health insurer received 42% ($13.9 billion) of that $33 ...

In 2021, UnitedHealth Group received 42% of the $33 billion in additional Medicare Advantage payments from differential coding.

The new E/M guidelines reflect changes made by The American Medical Association (AMA) and have been incorporated into the latest edition of the AMA’s medical coding manual, CPT 2021.