Medical Abbreviations List

Medical Abbreviations: The medical abbreviations are most commonly used in hospitals, laboratories and medical clinics while making diagnosis regarding patient’s disease. The medical field is full of technical terminology that is used to complete patient charts.

There are a number of medical abbreviations that are used by the doctors to prescribe medicines and communicate general needs and for general bill services. Now- a days as the usage of medical abbreviations has increased in many clinics and laboratories, it is most important to know some common medical abbreviations to take care of our health. 

The Given Below are the Most Commonly used Medical Abbreviations:


  • AA - amino acid
  • ABG - arterial blood gas
  • ADM - admission, admitted
  • ASAP - as soon as possible
  • ALS - advanced life support
  • AMA - against medical advice, American Medical Association
  • ASAP - as soon as possible
  • A&W - alive and well
  • BMT - bone marrow transplant
  • BAL - blood alcohol level
  • C - centigrade, celsius
  • CC - cubic centimeter, chief complaint, critical care, complications, carbon copy
  • C/O - complains of
  • CO2 - carbon dioxide
  • D/C - discontinue or discharge
  • DNR - do not resuscitate
  • DO - disorder
  • EDC - estimated date of confinement
  • EDD - estimated delivery date
  • EGA - estimated gestational age
  • ER - emergency room
  • F - fahrenheit
  • FNF - finger to nose
  • H&P - history and physical examination
  • HPI - history of present illness
  • H/O - history of
  • HR - heart rate or hour
  • HS - hour of sleep (bedtime)
  • ICU - intensive care unit
  • ID - infectious diseases
  • IP - inpatient
  • IQ - intelligence quotient
  • IU - international units
  • MCO - managed care organization
  • EDC - estimated date of confinement
  • EDD - estimated delivery date
  • EGA - estimated gestational age
  • ER - emergency room
  • F - fahrenheit
  • FNF - finger to nose
  • H&P - history and physical examination
  • HPI - history of present illness
  • H/O - history of
  • HR - heart rate or hour
  • HS - hour of sleep (bedtime)
  • ID - infectious diseases
  • IP - inpatient
  • IQ - intelligence quotient
  • IU - international units
  • MCO - managed care organization
  • NKDA - no known drug allergies
  • NTG - nitroglycerin
  • O2 - oxygen
  • OPD - outpatient department
  • Post-op - postoperative (after surgery)
  • Pre-op - preoperative (before surgery)
  • PA or PT - patient
  • PCP - primary care physician
  • RF - risk factor
  • S - without
  • SX - symptoms
  • S/S - signs and symptoms
  • STAT - immediately
  • T – temperature
  • TIW - three times a week
  • USOH - usual state of health
  • UE - upper extremity
  • VS - vital signs
  • VSS - vital signs stable
  • WB - whole blood
  • BC - white blood cell
  • WNL - within normal limits
  • XRT - external radiation therapy 
  • XS- excessive
  • XULN- times upper limit of normal
  • XMM- xero-mammography
  • WT – weight 
  • YLC- youngest living child
  • Yo- years old
  • Yr- year
  • ZDV- zidovudine
  • ZE- Zollinger -Ellison
  • Z-ESR- zeta erythrocyte sedimentation rate
Medical Abbreviations List Medical Abbreviations List Reviewed by amara sangati for Rating: 5