A04 — HCPCS Level II Codes

• A0420 Ambulance waiting time (als or bls), one half (1/2) hour increments billable
• A0422 Ambulance (als or bls) oxygen and oxygen supplies, life sustaining situation billable
• A0424 Extra ambulance attendant, ground (als or bls) or air (fixed or rotary winged); (requires medical review) billable
• A0425 Ground mileage, per statute mile billable
• A0426 Ambulance service, advanced life support, non-emergency transport, level 1 (als 1) billable
• A0427 Ambulance service, advanced life support, emergency transport, level 1 (als 1 - emergency) billable
• A0428 Ambulance service, basic life support, non-emergency transport, (bls) billable
• A0429 Ambulance service, basic life support, emergency transport (bls-emergency) billable
• A0430 Ambulance service, conventional air services, transport, one way (fixed wing) billable
• A0431 Ambulance service, conventional air services, transport, one way (rotary wing) billable
• A0432 Paramedic intercept (pi), rural area, transport furnished by a volunteer ambulance company which is prohibited by state law from billing third party payers billable
• A0433 Advanced life support, level 2 (als 2) billable
• A0434 Specialty care transport (sct) billable
• A0435 Fixed wing air mileage, per statute mile billable
• A0436 Rotary wing air mileage, per statute mile billable