| 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... |
| HNS | head and neck surgery; home nursing supervisor |
| HPD | hearing protective device; high-protein diet; home peritoneal dialysis |