Medical Abbreviations

• yo


  years old
• WNL


  within normal limits
• UA


  urinalysis
• Tx


  treatment
• t.d.s


  to be taken three times daily
• Sx


  symptoms
• SOB


  shortness of breath
• ROS


  review of systems
• ROM


  range of motion
• R/O


  ruled out
• REM

  rapid eye movement
• qns


  quantity not sufficient
• q.i.d.

  four times a day
• q.4h.

  every 4 hours
• q.2h.

  every 2 hours
• q.h.

  every hour
• q.d.

  every day
• q

  every
• PTT


  partial thromboplastin time
• PT


  prothrombin time
• PSA


  prostate specific antigen
• p.r.n

  as needed
• p.o.

  orally
• OTC

  over the counter
• O.S.


  left eye
• O.D.


  right eye
• NPO

  nothing by mouth
• NKA

  no known allergies
• NGT


  nasogastric tube
• MRI


  magnetic resonance imaging
• MI

  myocardial infarction
• LP

  lumbar puncture
• IV


  intravenous
• IM


  intramuscular
• hx

  history
• HPI

  history of present illness
• h/o

  history of
• FUO

  fever of unknown origin
• FBS


  fasting blood sugar
• ED


  emergency department