Home
Career Stage
Medical Students Residents Attendings CPT Codes Resources Blog Support

A0424 Extra ambulance attendant

A Codes

Also known as: additional paramedic, extra EMT charge

Extra ambulance attendant charge for additional paramedic or emergency medical technician required for complex patient care during transport.

In Plain Language

extra medical person riding in ambulance

Clinical Context

Used when additional ambulance personnel are required for complex patients requiring two paramedics or extensive monitoring during transport.

RVU Information

CPT A0424 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

Ambulance ServicesEmergency Medicine

Frequently Asked Questions

What is CPT code A0424?

CPT A0424 (Extra ambulance attendant) is a A Codes code. Extra ambulance attendant charge for additional paramedic or emergency medical technician required for complex patient care during transport.

Does Medicare cover A0424?

Medicare coverage for A0424 depends on medical necessity and applicable Local Coverage Determinations (LCDs). Used when additional ambulance personnel are required for complex patients requiring two paramedics or extensive monitoring during transport. A physician order is typically required.

When is CPT A0424 used?

Used when additional ambulance personnel are required for complex patients requiring two paramedics or extensive monitoring during transport.

Track This Code in RVU Edge

Log procedures, calculate wRVUs, and benchmark against national data — all in one app.

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.