HCPCS Modifier G9

Description
Monitored anesthesia (MAC) for patient who has a history of severe cardio-pulmonary condition.

Guidelines/Instructions
  • Submit this modifier only with anesthesia services (i.e., CPT codes 00100 through 01999)
  • Submit the modifier indicating personally performed, medically directed or medically supervised in the first modifier position and HCPCS modifier G9 in the second

Contact Palmetto GBA JM Part B Medicare

Email Part B

Contact a specific JM Part B department

Provider Contact Center: 855-696-0705

TDD: 866-830-3188

Other Palmetto GBA Sites

Palmetto GBA Home

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Jurisdiction J Part A MAC

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Jurisdiction M Part A MAC

Jurisdiction M Part B MAC

Jurisdiction M Home Health and Hospice MAC

MolDX

National Supplier Clearinghouse MAC

PDAC

RRB Specialty MAC Providers

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