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A0427 Als1-emergency

A Codes

Also known as: ALS 1 emergency, emergency ALS transport, rapid response

Advanced Life Support Level 1 emergency ambulance response, a rapid-response ground transport service with paramedic personnel for critical situations.

In Plain Language

emergency paramedic ambulance; urgent advanced care transport

Clinical Context

Used for emergency-dispatched Advanced Life Support Level 1 transports where rapid response is critical for time-sensitive conditions.

RVU Information

CPT A0427 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

Emergency MedicineParamedicineCritical Care

Frequently Asked Questions

What is CPT code A0427?

CPT A0427 (Als1-emergency) is a A Codes code. Advanced Life Support Level 1 emergency ambulance response, a rapid-response ground transport service with paramedic personnel for critical situations.

Does Medicare cover A0427?

Medicare coverage for A0427 depends on medical necessity and applicable Local Coverage Determinations (LCDs). Used for emergency-dispatched Advanced Life Support Level 1 transports where rapid response is critical for time-sensitive conditions. A physician order is typically required.

When is CPT A0427 used?

Used for emergency-dispatched Advanced Life Support Level 1 transports where rapid response is critical for time-sensitive conditions.

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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.