HC

1. HCPCS Level II modifier that may be used with CPT or HCPCS Level II codes indicating a geriatric adult program. This modifier may be required for state Medicaid programs, so check with your state guidelines. 2. Abbreviation for high complexity. See high complexity (HC) .

HCFA

See: Health Care Financing Administration ; also known as Centers for Medicare and Medicaid Services (CMS) .