L
lumbar
L & D
labor and delivery
lac
laceration
lab
laboratory
lap
laparotomy
lat
lateral
LD
lethal dose
LDH
lactic dehydrogenase
LDL
low density lipoprotien
liq
liquid
LLQ, LLL
left lower quadrant (abdomen), lobe (lung)
LMP
last menstrual period
LOC
level of consciousness
LP
lumbar puncture
lt
left
LUQ, LUL
left upper quadrant (abdomen), lobe (lung)