HCPCS A0420 — Ambulance waiting 1/2 hr (2026 RVU Values)
HCPCS code A0420 (Ambulance waiting 1/2 hr) is published in the 2026 CMS Physician Fee Schedule. Use this page as a reference for billing, productivity tracking, and compensation modeling.
How Medicare handles HCPCS A0420
Medicare status: Not valid for Medicare. Medicare does not recognize this code for payment. Other payers may still accept it, so it remains useful for coding reference and non-Medicare billing.