PHARMACY MEDICAL POLICY 5.01.645 Pharmacologic Treatment of Psoriatic Arthritis
Defines medical necessity, site-of-service review, step therapy tiers, and formulary-specific coverage criteria for numerous biologic, biosimilar, small-molecule, and oral therapies for active psoriatic arthritis across multiple Premera formulary sections (Open/Preferred/Select, Essentials, Individual/Small Group). Applies site-of-service medical necessity for IV/IM/SC injectable therapies for medical-benefit reviews and specifies age and prior-treatment requirements for each agent or class.
Policy revised and changes effective January 2, 2026 (reference in header).
Moved psoriatic arthritis criteria for multiple products from Policy 5.01.550 to 5.01.645 and added coverage criteria for several ustekinumab products and biosimilars.
Added new policy sections for Metallic, Essentials, Open/Preferred/Select formularies and plans with no pharmacy benefit coverage with different coverage criteria for specified drugs.
Removed Idacio (adalimumab-aacf) from the policy as it has been removed from the market.