HCPCS Code A0427: ALS1- emergency

HCPCS code A0427 is for ambulance service, advanced life support, emergency transport, level 1 (ALS 1-emergency). It covers emergency ambulance transport services requiring advanced life support interventions and is used for billing Medicare and other insurers.

Medicare covers HCPCS code A0427 for ambulance service, advanced life support, emergency transport, level 1, when medically necessary, and all coverage guidelines and requirements are met. Payment is based on the level of service provided, not just the vehicle used.

A Level 1 ALS emergency transport is ground ambulance transportation with medically necessary supplies and services, including an advanced life support (ALS) assessment or at least one ALS intervention by qualified personnel during an emergency response requiring immediate attention.