| LMSSA | Licentiate in Medicine and Surgery of the Society of Apothecaries |
|---|---|
| LOS | length of stay; Licentiate in Obstetrical Science; lipo-oligosaccharide; low cardiac output syndrome... |
| LRCP | Licentiate of the Royal College of Physicians |
| LRCS | Licentiate of the Royal College of Surgeons |
| LRCSE | Licentiate of the Royal College of Surgeons, Edinburgh |