| LPD | low-protein diet; luteal phase defect |
|---|---|
| LS | lateral suspensor; left sacrum; left septum; left side; legally separated; leiomyosarcoma; length of... |
| LSD | laryngeal sound discrimination; least significant difference; least significant digit; low-sodium di... |
| MD | Doctor of Medicine [Lat. Medicinae Doctor]; magnesium deficiency; main duct; maintenance dose; major... |
| MDRD | Modification of Diet in Renal Disease [study] |