| GMCD | grand mal convulsive disorder |
|---|---|
| HID | headache, insomnia, depression [syndrome]; herniated intervertebral disc; human infectious dose; hyp... |
| IAHD | idiopathic acquired hemolytic disorder |
| ICD | I-cell disease; immune complex disease; implantable cardioverter defibrillator; impulse-control diso... |
| IED | inherited epidermal dysplasia; intermittent explosive disorder |