HCPCS Level II modifier that may be used with CPT or HCPCS Level II codes indicating the prescribed amount of oxygen exceeds 4 L per minute (LPM) and portable oxygen is prescribed. Monthly the Medicare allowed amount will increase by 50%.

HCPCS Level II modifier that may be used with CPT or HCPCS Level II codes indicating the prescribed amount of oxygen is greater than 4 L per minute (LPM).

HCPCS Level II modifier that may be used with CPT or HCPCS Level II codes indicating an oxygen-conserving device was used with an oxygen delivery system.

HCPCS Level II modifier that may be used with CPT or HCPCS Level II codes indicating services or items were provided to a prisoner or patient in state or local custody; however, the state or local government, as applicable, meets the requirements in 42 cfr 411.4 (b).

HCPCS Level II modifier that may be used with CPT or HCPCS Level II codes indicating medical direction of two, three, or four concurrent anesthesia procedures involving qualified individuals.

HCPCS Level II modifier that may be used with CPT or HCPCS Level II codes indicating patient was pronounced dead after an ambulance was called.

HCPCS Level II modifier that may be used with CPT or HCPCS Level II codes indicating that a service provider directly furnished an ambulance service. This modifier is payable under Medicare Part A but not Medicare Part B.

HCPCS Level II modifier that may be used with CPT or HCPCS Level II codes indicating documentation is on file showing that the laboratory test(s) was ordered individually or ordered as a CPT-recognized panel other than automated profile codes 80002-80019, G0058, G0059, and G0060.

HCPCS Level II modifier that may be used with CPT or HCPCS Level II codes indicating that a claim is being submitted with a written statement of intent (SOI).

HCPCS Level II modifier that may be used with CPT or HCPCS Level II codes indicating monitored anesthesia care service.