Payer Types
Medicare Advantage (MA)
Draft — pending verification
This reference entry has not yet been verified against its authoritative source (Original definitions; regulatory facts to be verified against CMS-0057-F (89 FR 8758) and X12/HL7 documentation). Do not rely on it for production configuration until this notice is removed.
In more depth
MA prior authorization is the most politically visible PA program in the country — post-acute care determinations especially. For compliance planning, MA carries the full CMS-0057-F stack (2026 timeframes and transparency, 2027 APIs) with no extension pathways.