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Last Modified: 12/18/2024 Location: FL, PR, USVI Business: Part A, Part B

Ambulance modifiers

Modifiers identifying the place of origin and destination of the ambulance trip must be submitted on all ambulance claims. The modifier is to be placed next to the Health Care Procedure Coding System code billed.
Origin and destination modifiers used for ambulance services are created by combining two alpha characters. The first letter must describe the origin of the transport, and the second letter must describe the destination.
Note: Claims submitted without origin and destination modifiers will be rejected as unprocesable. First Coast will no longer be issuing additional documentation requests to solicit required missing claim data.
These modifiers should be reported first on the claim. The additional modifiers listed below should be reported after the origin and destination modifiers.
Example: If a patient is transported from their residence to the hospital, the modifier to describe the origin and destination would be "RH".
Use the following modifiers for ambulance billing:

Origin/Destination
Description
D
Diagnostic or therapeutic site other than P or H when these are used as origin codes
E
Residential, domiciliary, custodial facility (other than 1819 facility)
G
Hospital based ESRD facility
H
Hospital
I
Site of transfer (e.g. airport or helicopter pad) between modes of ambulance transport
J
Freestanding ESRD facility
N
Skilled nursing facility
P
Physician’s office
R
Residence
S
Scene of accident or acute event
X
Intermediate stop at physician’s office on way to hospital (This is a destination code only)

Additional modifiers

Origin/Destination
Description
GM
Multiple patients on one ambulance trip
QL
Patient pronounced dead after ambulance called
Reference:
In addition, institutional-based providers must report one of the following modifiers with every HCPCS code to describe whether the service was provided under arrangement or directly.

Origin/Destination
Description
QM
Ambulance service provided under arrangement by a provider of services
QN
Ambulance service furnished directly by a provider of services

Transports not medically necessary

Origin/Destination
Description
GY
Item or service is statutorily excluded or does not meet the definition of any Medicare benefit
Use modifier GY to report ambulance services for patients whose conditions do not meet the requirements for coverage or for whom ambulance transportation is non-covered.
Note: Ambulance transports involving hospice patients should be referred to the Hospice contractor for coverage and billing guidance.

Hospice

Ambulance transports involving hospice patients should be referred to the hospice contractor for coverage and billing guidance.

Origin/Destination
Description
GW
Service not related to the hospice patient's terminal condition.
Use the GW modifier when service not related to the hospice patient's terminal condition.
References
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