--L--

l

liter

L&D; LDR

Labor and Delivery; Labor, Delivery, Recovery

l&w

living and well

L-spine

lumbar spine

l/m

liters per minute 

L/S

laparoscopic (diagnostic or sterilization;  i.e., diagnostic L/S: diagnostic laparoscopy, & L/S sterilization: laparoscopic sterilization lecithin/sphingomyelin) 

L1 & L2

first lumbar vertebra, second lumbar vertebra

LA

left atrium

lab

laboratory

LAD

left axis deviation, left anterior descending

LAHB

left anterior hemiblock

lap

laparotomy

lat

lateral

LAVH

laparoscopic assisted vaginal hysterectomy

lb

pound; [L. libra]

LBBB

left bundle-branch block

lbm

loose bowel movement

LBM

Lean Body Mass

LBP

low back pain

LBT

late bedtime

LD

learning disability

LDH

lactic dehydrogenase

LDN

Licensed Dietitian/Nutritionist

LE

lupus erythematosus

LET

linear energy transfer

LF

low forceps (delivery)

LFT

Liver Function Test

lg

large

LGA

large-for-gestational age

LiCO3

lithium carbonate

LKS

liver, kidney, spleen

LLE

left lower extremity

LLL

left lower lobe

LLQ

left lower quadrant

LMD

low molecular-weight dextrose

LMLE

left mediolateral episiotomy

LMP

last menstrual period

LNMP

last normal menstrual period 

LOA

left occipitoanterior 

LOC

level of consciousness

LOM

left otitis media

LOP

left occiput posterior (fetal position)

LOR

loss of resistance

LOS

length of stay

LP

lumbar puncture

LPN

Licensed Practical Nurse

LPT

Licensed Physical Therapist

LPTA

Licensed Physical Therapist Assistant

LR

lactated Ringers (solution)

LSD

lysergic acid diethylamide

LTB

laryngotracheobronchitis

LTC

low transverse cesarean; laproscopic tubal cautery

LTCS

low transverse cesarean section

LUE

left upper extremity

LUL

left upper lobe (lung)

LUQ

left upper quadrant

LV

left ventricle

lymph

lymphocyte

lytes

electrolytes