| L/S | lactase/sucrase [ratio]; lecithin/ sphingomyelin [ratio]; lipid/saccharide [ratio]; longitudinal sec... |
|---|---|
| LSEP | left somatosensory evoked potential; lumbosacral somatosensory evoked potential |
| LSO | lateral superior olive; left salpingo-oophorectomy; left superior oblique; lumbosacral orthosis |
| LSS | life support station; lumbosacral spine |