HMSA’s Federal Plan 87 & Postal Service Drug Formulary and Coverage Codes

Commercial Plan Documents

Federal Plan – High 00F	Federal Plan – Standard 999
Commercial Drug PlanPostal Service Plan – High 154	Commercial Drug PlanPostal Service Plan – Standard 155

† Brand drugs not listed in the formulary should be considered OTHER BRAND.

* The online HMSA Drug Formulary is updated quarterly. Providers may request a CD version of the formulary by contacting HMSA Provider Services.

Prescription Drug Plan

Medicare Postal Prescription Drug Plan – High 151

Prescription Drug Plan

Medicare Postal Prescription Drug Plan – Standard 153

CURRENT AS OF 10/01/2026

Date	Nature of Revision
10/15/2026	Posted the Postal Service Formulary 10/01/2026
10/14/2026	HMSA’s Medicare Postal Prescription Drug Plan Prior Authorization – 10/14/2026 has been posted.
10/01/2026	The following have been posted: HMSA’s 2026 Medicare Postal Prescription Drug Plan Prior Authorization – 10/01/2026 HMSA’s 2026 Medicare Postal Prescription Drug Plan Step Therapy – 10/01/2026
10/01/2026	The HMSA’s 2026 Medicare Postal Prescription Drug Plan Formulary – 10/01/2026 has been posted.
09/30/2026	Post formulary effective date 10/1/2026
09/08/2026	The following has been posted: HMSA's Medicare Postal Prescription Drug Plan Prior Authorization (PA) - 09/01/2026, v2 HMSA's Medicare Postal Prescription Drug Plan Step Therapy (ST) - 09/01/2026
09/01/2026	The Medicare Postal Prescription Drug Plan Prior Authorization – updated 09/01/2026 - has been posted.
09/01/2026	The 2026 Medicare Postal Prescription Drug Plan Formulary – updated 09/01/2026 - has been posted.
09/28/2026	Migrated to new platform.