| IACI | idiopathic arterial calcification of infancy |
|---|---|
| IAF | idiopathic alveolar fibrosis |
| IAH | idiopathic adrenal hyperplasia; implantable artificial heart |
| IAHA | idiopathic autoimmune hemolytic anemia; immune adherence hemagglutination |
| IAHD | idiopathic acquired hemolytic disorder |
| IGHD | idiopathic growth hormone deficiency |
|---|---|
| IHP | idiopathic hypoparathyroidism |
| IIM | idiopathic inflammatory myopathy |
| ITP | idiopathic thrombocytopenia |