| Abbreviation | Definition |
|---|---|
| LI | Lactose Intolerance |
| LI | Language Impairment |
| LIC | Left Iliac Crest |
| LIDO | Lidocaine |
| LIDS | Latex Induced Disease Syndrome |
| LIF | Left Iliac Fossa |
| LIFE | Learning Immune Function Enhancement |
| LIMA | Left Internal Mammary Artery |
| LIN | Laryngeal Intraepithelial Neoplasia |
| LIP | Lateral Interpositus Nucleus |
| LIP | Lymphocytic Interstitial Pneumonia |
| LIPO | Liposuction |
| LIPP | Lane Independent Primary Physicians |
| LIQ | Left Inner Quadrant |
| LIQ | Liquid (Elixirs, Syrup, Suspension, Tinctures) |
| LIR | Left Iliac Region |
| LISN | Listening In Spatialized Noise |
| LJD | Lisfranc Joint Dislocation |
| LJL | Lower Jaw Length |
| LK | Left Kidney |