geriatric care manager (GCM)

Individual (usually social worker or nurse) who assists older people and their families in meeting the elderly person’s health care needs (e.g., fill out insurance forms, perform a comprehensive needs assessment, identify available community resources, screen and arrange for in-home services, resolve disputes among family members). GCM services are typically not covered by insurance.

Geriatrics

Branch of medicine that specializes in handling the physiological characteristics of the elderly and the diagnosis and treatment of their medical problems.

Gerontology

Study of the biological, clinical, psychological, economical, and social processes of elderly adults and their problems as individuals, as well as society as a whole.

GF

HCPCS Level II modifier that may be used with CPT or HCPCS Level II codes indicating nonphysician (nurse practitioner, certified registered nurse anesthetist, certified registered nurse, clinical nurse specialist, physician assistant) services performed in a critical access hospital.

GG

HCPCS Level II modifier that may be used with CPT or HCPCS Level II codes indicating performance and payment of a screening mammogram and diagnostic mammogram on the same patient on the same day.

GH

HCPCS Level II modifier that may be used with CPT or HCPCS Level II codes indicating a diagnostic mammogram converted from a screening mammogram on the same day.