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Memantine Prior Authorization Criteria - Medicare Part D

Medicare Policy
Version Date: 01/01/2025

Prior Authorization Criteria for Approval

Prior Authorization does NOT apply to patients greater than or equal to 30 years of age

The following products are included in this PA program (formulary specific):

Enhanced and MAPD formularies: memantine tablets, memantine ER capsules, memantine oral solution

Basic formulary: memantine tablets, memantine oral solution

Memantine will be approved when the following is met:

  1. The patient is younger than 30 years of age AND ONE of the following:
    1. The patient has a diagnosis of moderate to severe dementia of the Alzheimer’s type
      OR
    2. The patient has an indication that is supported in CMS approved compendia for the requested medication

Length of Approval: 12 months