| IAB | Industrial Accident Board; intra-abdominal; intra-aortic balloon |
|---|---|
| IH | idiopathic hirsutism; idiopathic hypercalciuria; immediate hypersensitivity; incompletely healed; in... |
| IHAC | Industrial Health and Advisory Committee |
| IHF | Industrial Health Foundation; integration host factor; International Hospital Foundation |
| IHRB | Industrial Health Research Board |