HCPCS Level II code A0426 denotes advanced life support, non-emergency ground ambulance transport (level 1). This designation applies when ALS-level interventions are provided during a non-emergent transfer, and it is widely used across emergency medical services and hospital transfer workflows. Nationally, accurate coding of ALS non-emergency transports affects facility and EMS billing, utilization monitoring, and payer adjudication for medically necessary transfers.

Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find context on the clinical setting and service definition for A0426, common payer coverage considerations, and what elements typically establish ALS-level care during a non-emergency transport. The publication also highlights benchmarking topics and policy updates that commonly affect ambulance services reimbursement and documentation requirements.

The report is organized to help revenue cycle leaders, EMS billing managers, and policy analysts understand coding intent, payer scope, and the operational implications of billing HCPCS Level II code A0426 for non-emergency ALS transports.