Ambulance waiting time (als or bls), one half (1/2) hour increments
Code effective Jan 01, 2014
HCPCS Section
Transportation Services Including Ambulance, Medical & Surgical Supplies
A0420 is a valid 2026 HCPCS code meaning Ambulance waiting time (als or bls), one half (1/2) hour increments or (Ambulance waiting 1/2 hr) for short. HCPCS A0420 has been effective since 01/01/2014 and applies to Ambulance.
|
HCPCS Level II Code Section A - Transportation Services Including Ambulance, Medical & Surgical Supplies |
|
| HCPCS Code | A0420 |
|---|---|
| Description |
Long description:
Short description: |
| HCPCS Pricing indicator |
00 - Physician Fee Schedule And Non-Physician Practitioners - Service not separately priced by part B (e.g., services not covered, bundled, used by Part A only, etc.)
|
| Multiple pricing indicator |
9 - Not applicable as HCPCS not priced separately by part B or value is not established
|
| Coverage code | I - Not payable by Medicare |
| BETOS2 code | O1A - Ambulance |
| HCPCS Action code | N - No maintenance for this code |
| Type of service | D - Ambulance |
| Effective date | Effective Jan 01, 2014 |
| Date added | Added Jan 01, 1995 |
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.