A0422 – Ambulance (als or bls) oxygen and oxygen supplies, life sustaining situation

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

Active code Not payable by Medicare

HCPCS codeA0422
Long description
Ambulance (als or bls) oxygen and oxygen supplies, life sustaining situation
Short description
Ambulance 02 life sustaining
Pricing indicator
00 Not separately priced by Part B (bundled, not covered or Part A only)
Medicare coverage
I Not payable by Medicare
BETOS category
O1A Ambulance
Added
January 1, 1995
Last change
January 1, 2014 – No change

Frequently asked questions

What is HCPCS code A0422?

A0422 is a HCPCS Level II code for ambulance (als or bls) oxygen and oxygen supplies, life sustaining situation.

Does Medicare cover A0422?

The HCPCS file lists coverage code I: Not payable by Medicare. 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.