A0422 Ambulance 02 life sustaining
Also known as: ambulance oxygen, oxygen life support
Ambulance oxygen therapy supplies including oxygen administration, tubing, masks, cannula, and related life-sustaining equipment.
In Plain Language
cost of oxygen therapy in ambulance
Clinical Context
Used to bill for oxygen therapy and associated life-sustaining supplies administered during ambulance transport.
RVU Information
CPT A0422 does not have a physician work RVU assigned by CMS. This is typical for supply, drug, and equipment codes — reimbursement is based on Average Sales Price (ASP), fee schedules, or payer contracts rather than the RVU system.
Billing & Documentation
HCPCS A-codes cover medical supplies, equipment, and transport services. Documentation must establish medical necessity and include a physician order. For durable medical equipment (DME), a Certificate of Medical Necessity (CMN) or detailed written order may be required.
Specialties
Frequently Asked Questions
What is CPT code A0422?
CPT A0422 (Ambulance 02 life sustaining) is a A Codes code. Ambulance oxygen therapy supplies including oxygen administration, tubing, masks, cannula, and related life-sustaining equipment.
Does Medicare cover A0422?
Medicare coverage for A0422 depends on medical necessity and applicable Local Coverage Determinations (LCDs). Used to bill for oxygen therapy and associated life-sustaining supplies administered during ambulance transport. A physician order is typically required.
When is CPT A0422 used?
Used to bill for oxygen therapy and associated life-sustaining supplies administered during ambulance transport.
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CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.