A0420 Ambulance waiting time (als or bls), one half (1/2) hour increments

Billable / valid for submission HCPCS Release 2026Q3

Short description: Ambulance waiting 1/2 hr

Version history

Release	Valid from	Valid to	Description	Billable
2026Q3	2026-07-01	current	Ambulance waiting time (als or bls), one half (1/2) hour increments	yes

A0422 Ambulance (als or bls) oxygen and oxygen supplies, life sustaining situation
A0424 Extra ambulance attendant, ground (als or bls) or air (fixed or rotary winged); (requires medical review)
A0425 Ground mileage, per statute mile
A0426 Ambulance service, advanced life support, non-emergency transport, level 1 (als 1)
A0427 Ambulance service, advanced life support, emergency transport, level 1 (als 1 - emergency)
A0428 Ambulance service, basic life support, non-emergency transport, (bls)
A0429 Ambulance service, basic life support, emergency transport (bls-emergency)
A0430 Ambulance service, conventional air services, transport, one way (fixed wing)
A0431 Ambulance service, conventional air services, transport, one way (rotary wing)
A0432 Paramedic intercept (pi), rural area, transport furnished by a volunteer ambulance company which is prohibited by state law from billing third party payers
A0433 Advanced life support, level 2 (als 2)
A0434 Specialty care transport (sct)
A0435 Fixed wing air mileage, per statute mile
A0436 Rotary wing air mileage, per statute mile