HCPCS Level II code M0300 denotes IV chelation therapy (chemical endarterectomy), an intravenous procedure used to administer chelating agents aimed at binding and removing metals or mineral deposits from the vascular system. Nationally, this code matters for coverage policy, appropriate site-of-service billing, and clinical documentation when chelation is pursued as a treatment modality.

Key payers evaluated include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of clinical context, typical sites of service, and the implications for billing and claims processing under common commercial and federal payers.

The publication covers benchmarks and payer coverage themes, relevant coding guidance, and policy considerations affecting reimbursement and prior authorization. It also summarizes typical documentation elements and clinical indications associated with IV chelation therapy. Where specific data elements were not provided in the source, the report notes that information as unavailable and focuses on universally applicable billing and clinical context for a national audience.