A0430 HCPCS code: Ambulance service, conventional air services, transport, one way (fixed wing)
A0430 is the HCPCS Level II code for ambulance service, conventional air services, transport, one way (fixed wing). In 2024 Medicare paid an average of $4,132.54 per service for A0430 across 12,823 services. Its Medicare coverage code is C (Carrier judgment): Coverage is decided by the Medicare contractor (MAC) case by case. The NCCI unit limit is 1 per day on outpatient hospital claims. Medicare volume fell 6% from 2022 to 2024 (13,637 to 12,823 services). In 2024, about 99 clinicians billed Medicare for A0430 for 11,691 beneficiaries; Alaska, Oregon, Alabama accounted for 31% of services.
Code details
| Field | Value |
|---|---|
| Section | A codes — Transportation, medical/surgical supplies and miscellaneous |
| Coverage code | C — Carrier judgment |
| Pricing indicator | 52 |
| BETOS category | O1A — Ambulance |
| Added | 2001-01-01 |
| Last action effective | 2001-01-01 |
Who bills A0430 (2024)
| Measure | Value |
|---|---|
| Clinicians billing (by place of service) | 99 |
| Medicare beneficiaries | 11,691 |
| States with claims | 26 |
| Share of services in top 3 states (Alaska, Oregon, Alabama) | 31% |
Counts only. Supplier and clinician names, contact lists and state-by-state detail are in Caduvo.
Medicare utilization for A0430, 2022–2024
| Year | Services | Beneficiaries | Avg. allowed | Avg. paid |
|---|---|---|---|---|
| 2022 | 13,637 | 12,475 | $4,674.06 | $3,724.36 |
| 2023 | 12,769 | 11,641 | $5,063.66 | $4,030.75 |
| 2024 | 12,823 | 11,691 | $5,191.47 | $4,132.54 |
States with the most A0430 services (2024)
| State | Services | Avg. paid |
|---|---|---|
| Alaska | 1,481 | $4,431.12 |
| Oregon | 1,360 | $3,897.80 |
| Alabama | 1,162 | $3,869.85 |
| New Mexico | 1,102 | $4,130.36 |
| Texas | 803 | $3,848.52 |
NCCI unit limits (MUE)
| Claim type | Max units per day | Rationale |
|---|---|---|
| outpatient hospital claims | 1 | Clinical: Data |
| practitioner claims | 1 | Clinical: Data |
What changed for A0430
- 2001-01-01: A0430 added to HCPCS Level II
- Next scheduled CMS quarterly update (HCPCS and DMEPOS fee schedule): 2027-01-01
Frequently asked questions
What is HCPCS code A0430?
A0430 is the HCPCS Level II code for ambulance service, conventional air services, transport, one way (fixed wing). Short descriptor: "Fixed wing air transport".
How much does Medicare pay for A0430?
In 2024, the average Medicare payment was $4,132.54 per service (average allowed $5,191.47).
Does Medicare cover A0430?
Coverage code C — Carrier judgment. Coverage is decided by the Medicare contractor (MAC) case by case.
How many units of A0430 can be billed per day?
1 on outpatient hospital claims; 1 on practitioner claims (NCCI medically unlikely edits).
Related A04 codes
- A0420 — Ambulance waiting time (als or bls), one half (1/2) hour increments
- A0422 — Ambulance (als or bls) oxygen and oxygen supplies, life sustaining situation
- A0424 — Extra ambulance attendant, ground (als or bls) or air (fixed or rotary winged); (requires medical review)
- A0425 — Ground mileage, per statute mile
- A0426 — Ambulance service, advanced life support, non-emergency transport, level 1 (als 1)
- A0427 — Ambulance service, advanced life support, emergency transport, level 1 (als 1 - emergency)
- A0428 — Ambulance service, basic life support, non-emergency transport, (bls)
- A0429 — Ambulance service, basic life support, emergency transport (bls-emergency)
- A0431 — Ambulance service, conventional air services, transport, one way (rotary wing)
- A0432 — Paramedic intercept (pi), rural area, transport furnished by a volunteer ambulance company which is prohibited by state law from billing third party payers
- A0433 — Advanced life support, level 2 (als 2)
- A0434 — Specialty care transport (sct)
Building a device that would bill under a code like this? Caduvo matches a device description to HCPCS/CPT codes, Medicare coverage and payment, and the FDA pathway in one report.
Next steps
- Run a reimbursement report for a device billed under A0430
- Watch A0430 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for A0430
Sources: CMS HCPCS Level II release October 2025; CMS DMEPOS fee schedule; CMS NCCI MUE tables; CMS Medicare utilization (physician and DME supplier files); CMS Medicare Coverage Database articles. Fees are Medicare allowables, not commercial rates. Not billing or legal advice.