2025 HCPCS code A0429
(Valid) Effective Date: N/A Revision Date: N/A Transportation - Ambulance service, basic life support, emergency transport (BLS-emergency) A Codes: Transportation Services, Medical/Surgical Supplies Feed
Ambulance service, basic life support, emergency transport.
Yes, origin and destination modifiers as described in the Coding Guidelines are required. Other modifiers may be applicable depending on the circumstances of the transport.
Medical necessity for BLS ambulance transport is established when the patient's condition requires basic life support interventions and/or it is unsafe or otherwise not feasible for the patient to be transported by other means.
The ambulance staff, comprised of qualified emergency professionals, is responsible for performing a BLS assessment, including checking vital signs, and providing BLS procedures during transport.This can include oxygen administration, wound management, splinting, and bleeding control.
In simple words: Emergency transport in an ambulance with basic life support provided by qualified staff during the trip.
This code represents the emergency transport of a patient in a basic life support (BLS) ambulance and the provision of a BLS assessment and BLS interventions by the ambulance staff, including the necessary supplies and services.
Example 1: A patient experiences a fall at home and sustains a possible fracture.They are alert and stable but require transport to the emergency department for evaluation and imaging. A BLS ambulance is dispatched., A patient with a known seizure disorder has a seizure and is transported to the hospital via BLS ambulance for further monitoring and treatment., A child experiences a severe allergic reaction at school and requires immediate transport to the emergency department.A BLS ambulance is called to provide transport and basic life support measures like oxygen.
Documentation should support the medical necessity of the ambulance transport and the level of service provided. This should include the patient's condition, the services rendered during transport, and the origin and destination of the transport.
- Payment Status: Active
- Specialties:Emergency Medical Services
- Place of Service:Ambulance - Land