HCPCS Code A0999

Unlisted ambulance service
Code effective Jan 01, 1998

HCPCS Section
Transportation Services Including Ambulance, Medical & Surgical Supplies

A0999 is a valid 2026 HCPCS code meaning Unlisted ambulance service or (Unlisted ambulance service) for short. HCPCS A0999 has been effective since 01/01/1998 and applies to Ambulance.

HCPCS Code Details - A0999

HCPCS Level II Code
Section A - Transportation Services Including Ambulance, Medical & Surgical Supplies
HCPCS Code A0999
Description

Long description:
Unlisted ambulance service

Short description:
Unlisted ambulance service

HCPCS Pricing indicator 57 - Other carrier priced
Multiple pricing indicator A - Not applicable as HCPCS priced under one methodology
Coverage code D - Special coverage instructions apply
BETOS2 code O1A - Ambulance
HCPCS Action code N - No maintenance for this code
Type of service D - Ambulance
Effective date Effective Jan 01, 1998
Date added Added Jan 01, 1987

See also

  • HCPCS A0998 · Ambulance response and treatment, no transport

  • HCPCS A2001 · Innovamatrix ac, per square centimeter (add-on, list separately in addition to primary procedure)

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.