| ICL | idiopathic CD4 T-cell lymphocytopenia; iris-clip lens; isocitrate lyase |
|---|---|
| ICO | idiopathic cyclic oedema; impedance cardiac output |
| ICSC | idiopathic central serous choroidopathy |
| ICTS | idiopathic carpal tunnel syndrome |
| IDC | idiopathic dilated cardiomyopathy; interdigitating cell |