| HHS | [Department of] Health and Human Services; Hearing Handicap Scale; hereditary hemolytic syndrome; hu... |
|---|---|
| HHT | head halter traction; hereditary hemorrhagic telangiectasia; heterotopic heart transplantation; homo... |
| HMN | hereditary motor neuropathy |
| HMSN | hereditary motor and sensory neuropathy |
| HN | head and neck; head nurse; hemagglutinin neuraminidase; hematemesis neonatorum; hemorrhage of newbor... |