L. or l.
Liter
L (circled) or L
Left
lab
Laboratory
lat
Lateral
LB
Low back
lb.
Pound
LBQC
Large base quad cane
LBP
Low back pain
LCL
Lateral collateral ligament
LE
Lower extremity
LOB
Loss of balance
LOC
Loss of consciousness
LP
Lumbar puncture
LPFL
Lateral patellofemoral ligament
LQS
Lower quarter screen
LS
Lumbo-sacral
Lspine
Lumbar spine
LT
Lower trapezius