CAC HCPCS Ambulance Service Codes, Transport Levels, and Origin/Destination Modifiers 1 — Questions and Answers
Question 1: Which HCPCS Level II code represents ALS Level 1 emergency ambulance transport?
- A0426
- A0427 (Correct answer)
- A0428
- A0429
Correct answer: A0427
A0427 is the correct code for ALS Level 1 emergency ground ambulance transport under Medicare.
Question 2: What does HCPCS code A0429 represent in ambulance billing?
- ALS Level 1 non-emergency transport
- ALS Level 1 emergency transport
- BLS non-emergency transport
- BLS emergency transport (Correct answer)
Correct answer: BLS emergency transport
A0429 is used to bill for Basic Life Support (BLS) emergency ground ambulance transport.
Question 3: Which HCPCS code is used to bill for ground mileage in ambulance transport?
- A0422
- A0424
- A0425 (Correct answer)
- A0426
Correct answer: A0425
A0425 is billed per statute mile for ground ambulance mileage in addition to the base transport code.
Question 4: HCPCS code A0433 is used to bill which level of ambulance service?
- BLS emergency transport
- ALS Level 1 emergency transport
- ALS Level 2 transport (Correct answer)
- Specialty Care Transport
Correct answer: ALS Level 2 transport
A0433 represents ALS Level 2 (ALS2), which requires administration of three or more medications or a specific ALS2-level procedure.
Question 5: Which HCPCS code is used for fixed-wing (FW) emergency air ambulance transport?
- A0430
- A0431 (Correct answer)
- A0432
- A0434
Correct answer: A0431
A0431 is the correct code for conventional fixed-wing air ambulance emergency transport.
Question 6: HCPCS code A0434 represents which type of ambulance transport?
- ALS Level 2 transport
- Rotary wing non-emergency transport
- Specialty Care Transport (SCT) (Correct answer)
- Fixed wing emergency transport
Correct answer: Specialty Care Transport (SCT)
A0434 is used for Specialty Care Transport (SCT), which requires a specialty care provider such as a critical care nurse or physician.
Question 7: What does HCPCS code A0422 represent in ambulance billing?
- Advanced life support supplies
- Oxygen and oxygen supplies used during a life-sustaining situation (Correct answer)
- Extra ambulance attendant charges
- ALS non-emergency transport
Correct answer: Oxygen and oxygen supplies used during a life-sustaining situation
A0422 covers oxygen and oxygen supplies provided during a life-sustaining situation during ambulance transport.
CAC HCPCS Ambulance Service Codes, Transport Levels, and Origin/Destination Modifiers 1
Which HCPCS Level II code represents ALS Level 1 emergency ambulance transport?