A0427 Ambulance service, advanced life support, emergency transport, level 1 (als 1 - emergency)

Short descriptor: Als1-emergency

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A0427 is the HCPCS Level II code for Ambulance service, advanced life support, emergency transport, level 1 (als 1 - emergency) (2026). It belongs to Section A — Transportation, Medical & Surgical Supplies. Under Medicare, its coverage status is: Carrier judgment. Part B pricing methodology: Reasonable charge.

Classification & CMS Attributes

Medicare Coverage
Carrier judgment (code C)
Part B Pricing
Reasonable charge (indicator 52)
Type of Service
Ambulance
Effective Date
2001-01-01
2026 Maintenance
No change this year

References

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Reference A0427 with the canonical source and edition:

A0427 — Ambulance service, advanced life support, emergency transport, level 1 (als 1 - emergency). ICD-10 Coding Pro (HCPCS Level II 2026). https://icd10codingpro.com/hcpcs-codes/A0427

Canonical URL: https://icd10codingpro.com/hcpcs-codes/A0427

Related Codes in Section A

← A0426 Als 1 A0428 → Bls
A0422 Ambulance 02 life sustaining A0424 Extra ambulance attendant A0425 Ground mileage A0426 Als 1 A0428 Bls A0429 Bls-emergency A0430 Fixed wing air transport A0431 Rotary wing air transport A0432 Pi volunteer ambulance co A0433 Als 2
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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2026-01-01

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