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. Author manuscript; available in PMC: 2022 Sep 12.
Published in final edited form as: Health Aff (Millwood). 2022 Jan;41(1):120–128. doi: 10.1377/hlthaff.2021.01054

Exhibit 2 (Figure). Reasons for denial under Aetna Medicare Advantage coverage rules.

Exhibit 2 (Figure).

Source: Authors’ calculations, 2014–2019 Aetna Medicare Advantage claims.

Notes: Denial reasons, as assigned by the insurer, only apply to private insurer coverage rules and not traditional Medicare coverage determinations.