Health Abbreviations & Acronyms

Acronyms abound in our health world. Here you'll find many common health acronyms and what they abbreviate. Use the search box for quick health abbreviation lookup!

L
  • L - left
  • L1, L2, etc. - lumbar vertebra #1, lumbar vertebra #2, etc.
  • LA - left atrium
  • LAD - left anterior descending (a coronary artery);left axis deviation (see electrocardiogram)
  • LAP - leukocyte alkaline phosphatase;left atrial pressure
  • LDH - lactate dehydrogenase
  • LDL - low density lipoprotein
  • LE - lower extremity
  • LFT(s) - liver function test(s)
  • LGA - large for gestational age
  • LH - luteinizing hormone
  • LIH - left inguinal hernia
  • LLE - left lower extremity
  • LLL - left lower lobe
  • LLQ - left lower quadrant
  • LMP - last menstrual period
  • LOC - loss of consciousness or ;level of consciousness
  • LPN - licensed practical nurse
  • LTAC - long term acute care
  • LTC - long term care
  • LUL - left upper lobe
  • LUQ - left upper quadrant
  • LV - left ventricle
  • LVEDP - left ventricular end diastolic pressure
  • LVH - left ventricular hypertrophy