| HHS | [Department of] Health and Human Services; Hearing Handicap Scale; hereditary hemolytic syndrome; hu... |
|---|---|
| HID | headache, insomnia, depression [syndrome]; herniated intervertebral disc; human infectious dose; hyp... |
| IHHS | idiopathic hyperkinetic heart syndrome |
| CEA | Carcino-Embryonic Antigen [HP 1825-6] ; Oncofetal Antigens ; Glycopro... |
| HIVD | Herniation(Herniated) of Inter-Vertebral Disc - Cervical HIVD &... |