pemetrexed (Alimta, Pemfexy, Pemrydi RTU, Axtle, others) intravenous
Defines prior authorization, indications (medical necessity) criteria, dosing/administration, renewal and authorization length, maximum billable units per dose/interval, and HCPCS/NDC billing mappings for intravenous pemetrexed products for Viva Health.
No material clinical or coverage changes reported in this update.
Coverage Summary
Scope: This policy defines prior authorization and medical necessity criteria for intravenous pemetrexed products (including branded and 505(b)(2) formulations such as Alimta, Pemfexy, Pemrydi RTU, Axtle, and generics), covering indications, dosing/administration, renewal/authorization length, maximum billable units per dosing interval, and HCPCS/NDC billing mappings for Viva Health. Coverage stance: covered with criteria — prior authorization required and granted when the indication- and regimen-specific criteria in the policy are met. Primary guidance sources referenced in the policy include the NCCN Drugs & Biologics Compendium (2025) and manufacturer package inserts for marketed pemetrexed products.