A0420
Ambulance waiting time (als or bls), one half (1/2) hour increments
The HCPCS code for ambulance waiting time (als or bls), one half (1/2) hour increments is A0420.
Ambulance waiting time (als or bls), one half (1/2) hour increments
The HCPCS code for ambulance waiting time (als or bls), one half (1/2) hour increments is A0420.