| LSB | least significant bit; left sternal border; left scapular border; long spike burst |
|---|---|
| LSC | late systolic click; left side colon cancer; left subclavian; lichen simplex chronicus; liquid scintillation counting; liquid-solid chromatography |
| LSc | local scleroderma |
| LScA | left scapulo-anterior [fetal position] |
| LSCC | lateral semicircular canal |
| LSCL | lymphosarcoma cell leukemia |
| LScP | left scapulo-posterior [fetal position] |
| LSCS | lower segment cesarean section |
| LSD | Lysergic acid Diethylamide |
| LSD | laryngeal sound discrimination; least significant difference; least significant digit; low-sodium diet; lysergic acid diethylamide |