| IHGD | isolateral human growth deficiency |
|---|---|
| ILD | interstitial lung disease; intraoperative localization device; ischemic leg disease; ischemic limb d... |
| ITSHD | isolated thyroid-stimulating hormone deficiency |
| LAD | lactic acid dehydrogenase; left anterior descending [artery]; left axis deviation; leukocyte adhesio... |
| LID | large intraluminal density; late immunoglobulin deficiency; lymphocytic infiltrative disease |