Varies by plan

Does Community Health Plan Of Washington require prior authorization for Prevymis?

Prior authorization for Prevymis differs across Community Health Plan Of Washington's Medicare Part D plans and product strengths — 2 of 4 Prevymis products in the corpus appear on their formularies, and the requirement is not uniform. Check the member's specific plan.

Some plans require authorization and others do not. The member's specific plan decides.

By product strength

RxNorm product	Plans covering	Require prior auth	Status
letermovir 240 MG Oral Tablet [Prevymis]1988671	2 / 2	2	Prior authorization required
letermovir 480 MG Oral Tablet [Prevymis]1988675	2 / 2	2	Prior authorization required
letermovir 20 MG Oral Pellet [Prevymis]2693189	0 / 2	0	Not on formulary
letermovir 120 MG Oral Pellet [Prevymis]2693193	0 / 2	0	Not on formulary

Product names come from RxNorm (U.S. National Library of Medicine).

Source

Monthly Prescription Drug Plan Formulary and Pharmacy Network Information — Basic Drugs Formulary File

Effective: 2026-06-30
Retrieved: 2026-07-19
SHA-256: e626e6bcda1aa6a0071e6f0df6bafe686ae41842cdf0a9feffdc649b6d3ff3ae

We publish the hash of the exact file we ingested so any answer can be audited against the bytes CMS served that day.

Prevymis at other payers

Or see Prevymis across every payer at once.

Administrative information only. Benefily reports what a payer has published in its own prior-authorization policy as of the effective date shown. It is not medical advice, not a coverage or payment guarantee, and not an authorization. Requirements vary by plan, place of service and member benefits — always verify with the payer before rendering service.