| Abbreviation | Definition |
|---|---|
| L/MIN | Liters Per Minute |
| L-1 | 1st Lumbar Vertebra |
| L-2 | 2nd Lumbar Vertebra |
| L5-S1 | Lumbar Vertebrae 5 to Sacral Vertebrae 1 connection |
| LA | LeukoAraiosis |
| LA | Long Acting |
| LA | Lupus Anticoagulant |
| LABA(s) | long-acting beta antagonist(s) |
| LABA(s) | long-acting ß-2 adrenergic antagonist(s) |
| LAC | Laceration |
| LAC | Long Arm Cast |
| LAD | Left Axis Deviation |
| LAD | Leukocyte Adhesion Deficiency |
| LAD | Leukocyte Antibody Detection |
| LADA | Latent Autoimmune Diabetes of Adults |
| LAE | Left Atrial Enlargement |
| LAE | Long Above Elbow (cast) |
| LAFB | Left Anterior Fascicular Block |
| LAFB | Left Atrio Femoral Bypass |
| LAH | Left Anterior Hemiblock |