| ITT | insulin tolerance test; internal tibial torsion |
|---|---|
| IUM | internal urethral meatus; intrauterine [fetus] malnourished; intrauterine membrane |
| LIC | left internal carotid [artery]; limiting isorrheic concentration; local intravascular coagulation |
| LICA | left internal carotid artery |
| LIJ | left internal jugular [vein] |