| ILAR | Institute of Laboratory Animal Research |
|---|---|
| ILB | infant, low birth [weight]; initial lung burden |
| ILBBB | incomplete left bundle branch block |
| ILBW | infant, low birth weight |
| ILC | ichthyosis linearis circumflex; incipient lethal concentration |
| ILD | Interstitial Lung Disease |
| ILD | interstitial lung disease; intraoperative localization device; ischemic leg disease; ischemic limb disease; isolated lactase deficiency |
| ILDBP | interleukin-dependent deoxyribonucleic acid-binding protein |
| ILE, ILe, | Ileu isoleucine |
| ILGF | insulin-like growth factor |