| L&S | liver and spleen |
|---|---|
| LSK | liver, spleen, kidneys |
| LSKM | liver-spleen-kidney-megalia |
| LSR | lanthanide shift reagent; lecithin/ sphingomyelin ratio; left superior rectus [muscle]; liver/spleen... |
| MCL | maximum containment laboratory; medial collateral ligament; midclavicular line; midcostal line; mini... |