| HHCC | home health care classification |
|---|---|
| HHD | high heparin dose; home dialysis; hypertensive heart disease |
| HHSSA | Home Health Services and Staffing Association |
| HM | hand movements; health maintenance; heart murmur; hemifacial microsomia; Holter monitoring; home man... |
| HN | head and neck; head nurse; hemagglutinin neuraminidase; hematemesis neonatorum; hemorrhage of newbor... |