Medical abbreviations and acronyms (miscellaneous)

Last revised by Jay Gajera on 27 Jan 2024

This article contains a list of commonly used medical abbreviations that start with any symbol, which is not a letter in English, and may be encountered in medicine and radiology.

A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z - misc

  • μg: microgram (mcg preferred)

  • ': feet (US/Imperial measure for height/length)

  • ": inches (US/Imperial measure for height/length)

  • #: fracture (symbol is called a hash/hashtag/number/pound/octothorp)

  • ?: query or question

  • ~: approximately (symbol is called a tilde)

  • ≈: more precise form of approximately than '~' (symbol is called a double tilde)

  • +ve: positive

  • -ve: negative

  • ℞: prescription (often erroneously written as Rx or Rx) ('thou take' from L: recipe)

  • xo: number of hours (e.g. 4o chest pain = 4 hr of chest pain)

  • x/7: medical shorthand for 'x' number of days

  • x/12: medical shorthand for 'x' number of months

  • x/24: medical shorthand for 'x' number of hours

  • x/40: medical shorthand for 'x' number of gestational weeks

  • x/52: medical shorthand for 'x' number of weeks

  • ox: medical shorthand for "x is not present", e.g. ' ocough ', means 'no cough'

  • 1o: primary

  • 2o: secondary

  • 2D: 2-dimensional (or 2-D)

  • 3o: tertiary

  • 3C syndrome: craniocerebellocardiac syndrome

  • 3D: 3-dimensional (or 3-D)

  • 3D MVOX: multivoxel (Toshiba)

  • 3VV: 3 vessel view

  • 4o: quaternary

  • 4D: 4-dimensional (or 4-D)

  • 4D-TRAK: 4D timer resolved angiography using keyhole (Philips)

  • 4WF: 4-wheel frame (ambulatory device)

  • 5D: 5-dimensional (or 5-D)

  • 5-F rule: fertile, fat, female, fair, forty/family history

  • 5-FU: 5-fluorouracil

  • 6-MP: 6-mercaptopurine

  • 6MWT: 6 minute walk test

ADVERTISEMENT: Supporters see fewer/no ads

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.