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Specialty billing

Emergency medicine billing services for EMS and ambulance providers

Emergency medicine billing for EMS and ambulance providers is coding and claiming each transport: the level of care given on the way, the miles the patient was carried, and where they were picked up and taken.

Emergency medicine

One level per transport

  1. BLSA0429A0428 non-emergency
  2. ALS level 1A0427A0426 non-emergency
  3. ALS level 2A0433
  4. Specialty careA0434
Set by the care the patient needed and was given, not the vehicle sent.

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Build a transport’s claim line

The level of care, where the trip began and ended, and the loaded miles, as the claim carries them.

Build the trip’s claim line

HCPCS

The level is set by the care the patient needed and was given.

From

To

mi
  • A0429SH
  • A0425× 12.4 mi

SH: the scene of an accident or acute event to a hospital. Only miles with the patient on board count, and Medicare wants them to a tenth of a mile on trips under 100 miles.

Why is EMS billing hard?

  • The level billed has to match the care

    Each transport is billed at one HCPCS level: BLS (A0428, A0429), ALS1 (A0426, A0427), ALS2 (A0433) or specialty care transport (A0434). The level is set by the care the patient needed and was given, not by the vehicle that was sent.

  • Medical necessity is read from the trip report

    Medicare pays for an ambulance only when any other way of travelling would have endangered the patient, and the patient care report’s narrative is what shows it. A thin narrative turns a necessary transport into a denial.

  • Origin, destination and mileage on every claim

    Each claim carries a two-letter modifier for where the trip began and ended (RH: residence to hospital; SH: scene to hospital), the ZIP code of the pickup, and the loaded miles, which Medicare wants to a tenth of a mile on trips under 100 miles.

  • Non-emergency trips need paperwork first

    Many non-emergency transports need a physician certification statement, and Medicare requires prior authorization for repetitive scheduled trips, such as regular trips to dialysis. Without them the trip isn’t paid, however well it was run.

EMS and ambulance billing questions

What is the difference between BLS and ALS ambulance billing?
Basic life support transports are billed with A0428 for non-emergency trips and A0429 for emergencies. Advanced life support needs an ALS assessment or at least one ALS intervention, and is billed with A0426 (non-emergency) or A0427 (emergency) at level 1, or A0433 at level 2. The level billed must match the care documented.
What are ambulance origin and destination modifiers?
Two letters on each ambulance claim line: the first says where the trip started and the second where it ended. R is a residence, H a hospital, S the scene of an accident or acute event, N a skilled nursing facility and P a physician’s office, so a trip from home to the hospital is RH.
How is ambulance mileage billed?
Separately from the level of service, per loaded mile: only the miles with the patient on board count. Medicare pays mileage to the nearest appropriate facility and wants it to a tenth of a mile on trips under 100 miles. Ground mileage is billed with A0425.

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