Ambulance Fee Schedule & ZIP Code Files
The Medicare Part B Ambulance Fee Schedule (AFS) is a national fee schedule for ambulance services:
- Find Public Use Files (PUFs) with payment amounts for each calendar year and ZIP Code Geographic Designations Files
- Learn about the Medicare Ground Ambulance Data Collection System (GADCS)
- Read Code of Federal Regulations (CFR)
This webpage is for ambulance services providers and suppliers. If you're a person with Medicare, learn more about your coverage for ambulance services.
Payment under the AFS
The fee schedule applies to all ambulance services provided by:
- Volunteer, municipal, private, and independent ambulance suppliers
- Institutional providers, including hospitals and skilled nursing facilities
- Critical access hospitals, except when they’re the only ambulance service within 35 miles
Ambulance providers and suppliers must:
- Accept Medicare allowed charges as payment in full
- Only bill beneficiaries for Part B coinsurance and deductible
National Breakout of Geographic Area Definitions by ZIP Code
- ZIP Code to Carrier Locality File (ZIP) - Revised 08/20/2024
- ZIP Codes requiring 4 extension (ZIP) - Revised 08/15/2024
- Changes to ZIP Code File (ZIP) - Revised 08/15/2024
- 2023 End of Year Zip Code File (ZIP)
- 2022 End of Year ZIP Code File (ZIP)
- 2021 End of Year ZIP Code File (ZIP) - Revised 05/27/2022
- 2020 End of Year ZIP Code File (ZIP)
- 2019 End of Year ZIP Code File (ZIP)
- 2018 End of Year ZIP Code File (ZIP)
- Claim Adjustment Reason and Remittance Advice Remark Codes
- Electronic Billing & EDI Transactions
View archive & legacy files.
AFS Medical Conditions List & Coding for the Emergency Triage, Treat, and Transport (ET3) Model
- Ambulance Fee Schedule - Medical Conditions List (PDF)
- Ambulance Fee Schedule - Medical Conditions List & Transportation Indicators (PDF)
- ICD-10-CM Cross Walk for Medical Conditions List (ZIP)
- Origin and Destination Codes Specific to Ambulance Service Claims and Emergency Triage, Treat, and Transport (ET3) Model claims (PDF)