A0021
HCPCSOfficial descriptor: Outside state ambulance serv
Ambulance service, outside state per mile, transport (medicaid only)
This code represents the per-mile charge for ambulance transport services provided to a Medicaid beneficiary when the transport originates or terminates outside the state where the ambulance provider is primarily licensed. It specifically covers the mileage component of an out-of-state ambulance trip, distinct from the base rate.
Utilize this code when billing Medicaid for the mileage portion of an ambulance transport that crosses state lines. This applies to situations such as inter-facility transfers where the receiving facility is in an adjacent state, or emergency transports where the closest appropriate facility is out-of-state. Documentation must clearly indicate the origin and destination addresses, the medical necessity for out-of-state transport, and the total miles traveled.
AI-generated reference. Verify against official guidelines.
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