HCPCS Code A0431

Ambulance service, conventional air services, transport, one way (rotary wing)
Code effective Jan 01, 2001

HCPCS Section
Transportation Services Including Ambulance, Medical & Surgical Supplies

A0431 is a valid 2026 HCPCS code meaning Ambulance service, conventional air services, transport, one way (rotary wing) or (Rotary wing air transport) for short. HCPCS A0431 has been effective since 01/01/2001 and applies to Ambulance.

HCPCS Code Details - A0431

HCPCS Level II Code
Section A - Transportation Services Including Ambulance, Medical & Surgical Supplies
HCPCS Code A0431
Description

Long description:
Ambulance service, conventional air services, transport, one way (rotary wing)

Short description:
Rotary wing air transport

HCPCS Pricing indicator 52 - Reasonable charge
Multiple pricing indicator A - Not applicable as HCPCS priced under one methodology
Coverage code C - Carrier judgment
BETOS2 code O1A - Ambulance
HCPCS Action code N - No maintenance for this code
Type of service D - Ambulance
Effective date Effective Jan 01, 2001
Date added Added Jan 01, 2001

See also

  • HCPCS A0430 · Ambulance service, conventional air services, transport, one way (fixed wing)

  • HCPCS S9960 · Ambulance service, conventional air service, nonemergency transport, one way (fixed wing)

  • HCPCS S9961 · Ambulance service, conventional air service, nonemergency transport, one way (rotary wing)

  • HCPCS A0432 · Paramedic intercept (pi), rural area, transport furnished by a volunteer ambulance company which is prohibited by state law from billing third party payers

1 Two-digit numeric codes are Level I code modifiers copyrighted© by the American Medical Association's Current Procedural Terminology (CPT).

2 BETOS stands for “Berenson-Eggers Type Of Service”

HCPCS Level II codes and descriptors are approved and maintained jointly by the alpha-numeric editorial panel (consisting of CMS, the Health Insurance Association of America, and the Blue Cross and Blue Shield Association). — Updated 6/23/2026

CPT® is a registered trademark of the American Medical Association (AMA). All rights reserved.