| Abbreviation | Definition |
|---|---|
| LBP | Low Blood Pressure |
| LBR | Lumber |
| LBRB | Left Brain Right Brain |
| LBS | Lower Bowel Scrub |
| LBS | Lower Bowel Stimulant |
| LBSA | Low Blood Sugar Attack |
| LBT | Low back tenderness |
| LBW | Low Birth Weight |
| LBWB | Low Birth Weight Baby |
| LBWC | Limb Body Wall Complex |
| LC | Left Chest |
| LC | Locus Coeruleus |
| LC25 | lethal concentration causing death in 25% |
| LCA | Left Coronary Artery |
| LCED | Lumbar Colonic Efferent Discharge |
| LCFA | Lone Cryptogenic Fibrosing Alveolitis |
| LCFA | Long- Chain Fatty Acid |
| LCLT | L-Carnitine L-Tartrate |
| LCM | Left Costal Margin |
| LCPD | Legg Calve Perthes Disease |