A0429 – Ambulance service, basic life support, emergency transport (bls-emergency)

HCPCS Level II code · A codes: Transportation, Medical & Surgical Supplies, Miscellaneous & Experimental

Active code Carrier judgment

HCPCS codeA0429
Long description
Ambulance service, basic life support, emergency transport (bls-emergency)
Short description
Bls-emergency
Pricing indicator
52 Reasonable charge
Medicare coverage
C Carrier judgment – coverage decided by the Medicare contractor
BETOS category
O1A Ambulance
Added
January 1, 2001
Last change
January 1, 2001 – No change

Frequently asked questions

What is HCPCS code A0429?

A0429 is a HCPCS Level II code for ambulance service, basic life support, emergency transport (bls-emergency).

Does Medicare cover A0429?

The HCPCS file lists coverage code C: Carrier judgment – coverage decided by the Medicare contractor. Coverage and payment also depend on local coverage determinations and the patient’s plan.

Nearby A codes

Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.