L
Liter, left
L Sp
Lumbar spine
lab
Laboratory
lap.
Laparotomy
lat.
Lateral
lb.
Pound
L.BBB
Left bundle branch block
LE
Lupus erythematosus
lf
Left
I.FTs
Liver function tests
LGA
Large for gestation age
LH
Luteinizing hormone
LIH
Left inguinal hernia
LLD
Left lateral decubitus
llq/LLQ
Left lower quadrant (abdomen)
lmp/LMP
Last menstrual period
L.N.
Lymph nodes
Lp/lp
Lumbar puncture
LPN/lpn
Licensed practical nurse
L/S
Liver/spleen
LSK
Liver, spleen, and kidneys
lt. /L
Left
LUL
Left upper lobe (lung)
LV
Left ventricle