When the patient’s condition is such that any other mode of transportation would risk the patient’s health, ambulance transportation is a recognized service, e.g. suppose a patient has been in a car accident; the ambulance carries the patient to the hospital, and the patient arrives for treatment.

There are CPT codes for ground ambulance services that include both land and water transportation, and the codes are chosen based on the services provided and the patient’s state at the time of transportation.
CPT Codes For Ambulance Services
CPT code A0425: CMS maintains HCPCS code A0425 for Ground distance per statute mile, which falls under Ambulance and Other Transport Services and Supplies.
CPT code A0426: Level (ALS1) ambulance service, advanced life support, non-emergency transport, and provision of at least one ALS intervention, including but not limited to the administration of IV fluids (except blood or blood products), Peripheral venous puncture, blood draws, monitoring potassium-containing IV solutions during transit, administration of approved drugs, IV, Sub Q, sublingual, nebulizer inhalation, IM (limited to deltoid and thigh sites only)
CPT code A0427: A0427 is a valid 2022 HCPCS code for Ambulance service, advanced life support, emergency transport, level 1 (Als1 – emergency), sometimes known as “Als1-emergency” for short.
CPT code A0428: Ambulance service, basic life support, and non-emergency transportation are all available in this code mentioned above.
CPT code A0429: CMS maintains HCPCS Code A0429 for Ambulance service, basic life support, and emergency transport (BLS-emergency), which falls under Ambulance services.
CPT code A0433: Advanced life support, level 2 (ALS2) includes medically necessary supplies and services, and at least three separate administrations of one or more medications via continuous infusion or intravenous push/bolus, isotonic, and hypertonic solutions, or transportation, and the provision of at least one of the following procedures:
- Manual defibrillation/cardioversion
- Endotracheal intubation
- Central venous line
- Cardiac pacing
- Chest decompression
- Surgical airway
- Intraosseous line
CPT code A0434: This code is related to Specialty Care Transport. SCT is defined as hospital-to-hospital transportation of a severely injured or ill beneficiary by ground ambulance vehicle, including the provision of medically necessary supplies and services at a level of service that exceeds the competence of the EMT-Paramedic. SCT is essential when a beneficiary’s condition necessitates continuing care from one or more health professionals in an appropriate specialist field, such as emergency or critical care nursing, emergency medicine, respiratory care, cardiovascular care, or a paramedic with further training.
HCPCS codes For Ambulance Services
These codes range from Ambulance and Other Transportation Services and Supplies. A0021-A0999 is a standardized code set required by Medicare and other health insurance carriers to process healthcare claims.
HCPCS code A0888: According to CMS, HCPCS code A0888 for Noncovered ambulance mileage per mile falls under Ambulance and Other Transport Services and Supplies.
HCPCS code A0021: A0021 is a valid 2022 HCPCS code for Ambulance service, outside state per mile, transport (Medicaid only), sometimes known as “Outside state ambulance service” for short.
HCPCS code A0080: According to CMS, HCPCS code A0080 for Non-emergency transportation, per mile – the vehicle is given by a volunteer (person or group), with no vested interest falls under Ambulance Other Transport Assistances.
HCPCS code A0090: As managed by CMS, HCPCS code A0090 for non-emergency transportation, per mile – vehicle provided by an individual with a vested interest, a falls under Ambulance and Other Transport Services and Supplies.
HCPCS code A0100: This code is for non-emergency transportation like cabs and falls under Ambulance and Other Transport Services and Supplies, according to CMS.
HCPCS code A0120: This code deals with transport Services and Supplies and non-emergency transportation like minibus, mountain area transports, or other transportation systems as managed by CMS falls under ambulance.
HCPCS Code A0130: This is a valid HCPCS code for Non-emergency transportation such as a wheelchair van, also known as “None transport wheelchair van” in an ambulance.
HCPCS Code A0140: This is a valid 2022 HCPCS code for non-emergency transportation and air travel (private or commercial), also known as “non-emergency transport air” in an ambulance.
HCPCS code A0160: According to CMS, this code is for non-emergency transportation: per mile – case worker or social worker falls under ambulance and other transport services and supplies.
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