| IAN | idiopathic aseptic necrosis; indole acetonitrile |
|---|---|
| IARSA | idiopathic acquired refractory sideroblastic anemia |
| IB | idiopathic blepharospasm; immune body; inclusion body; index of body build; infectious bronchitis; I... |
| ICBG | idiopathic calcification of basal ganglia |
| ICCM | idiopathic congestive cardiomyopathy |