CPC Practice Exam

Medical Terminology: Abbreviations W-Z

Medical abbreviations that begin with W-Z are listed here.

Medical Abbreviations
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  • Abbreviation: WAIS-R
    Meaning: Wechsler adult intelligene scale revised
  • Abbreviation: WAP
    Meaning: wandering atrial pacemaker (see multifocal atrial tachycardia)
  • Abbreviation: WAS
    Meaning: Wiskott-Aldrich syndrome
  • Abbreviation: WASP
    Meaning: Wiskott-Aldrich syndrome protein
  • Abbreviation: WAT
    Meaning: white adipose tissue
  • Abbreviation: WBC
    Meaning: white blood cell; white blood cell count
  • Abbreviation: WBI
    Meaning: whole bowel irrigation
  • Abbreviation: WBRT
    Meaning: whole-brain radiotherapy treatment
  • Abbreviation: WC
    Meaning: white cells
  • Abbreviation: W/C
    Meaning: wheelchair
  • Abbreviation: WD
    Meaning: well developed
  • Abbreviation: WDL
    Meaning: within defined limits (as per hospital defined policy)
  • Abbreviation: WH
    Meaning: well hydrated (not dehydrated or hyperhydrated)
  • Abbreviation: WDWN
    Meaning: well developed and well nourished
  • Abbreviation: WEE
    Meaning: Western equine encephalitis virus
  • Abbreviation: WG
    Meaning: Wegener's granulomatosis
  • Abbreviation: WISC-R
    Meaning: Wechsler intelligence scale for children revised
  • Abbreviation: WN
    Meaning: well nourished
  • Abbreviation: WNL
    Meaning: within normal limits (also: we never looked)
  • Abbreviation: W/O; w/o
    Meaning: without
  • Abbreviation: WOI
    Meaning: without incident
  • Abbreviation: WPW
    Meaning: Wolff-Parkinson-White syndrome
  • Abbreviation: WS
    Meaning: Waardenburg syndrome; Warkany syndrome; water-soluble; Werner syndrome; West syndrome; Williams syndrome; Wolfram syndrome
  • Abbreviation: wt
    Meaning: weight (whether human weight or otherwise)
  • Abbreviation: WWI
    Meaning: walking while intoxicated (ethanol or other drugs); World War I


  • Abbreviation: x
    Meaning: (x with macron) except
  • Abbreviation: X-AFP
    Meaning: extended alpha-fetoprotein
  • Abbreviation: XR
    Meaning: extended release (see Time Release Technology); x-ray (see radiography)
  • Abbreviation: XRT
    Meaning: radiotherapy used in cancer treatment


  • Abbreviation: y
    Meaning: year or years
  • Abbreviation: YO; yo; y/o
    Meaning: years old
  • Abbreviation: YPLL
    Meaning: years of potential life lost
  • Abbreviation: yr
    Meaning: year or years


  • Abbreviation: ZD
    Meaning: zinc deficiency
  • Abbreviation: ZDV
    Meaning: zidovudine
  • Abbreviation: ZES
    Meaning: Zollinger-Ellison syndrome
  • Abbreviation: ZIFT
    Meaning: zygote intrafallopian transfer
  • Abbreviation: Zn
    Meaning: zinc

Medical Abbreviations
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Medical Coding

Medical coding is dependent upon a solid understanding of medical terminology.

To be successful and accurate medical coders must have a solid understanding of common medical terms for various reasons which include:
  • Reading and understanding medical dictation
  • Proper code look up and selection
  • Communicating with physicians, insurance companies, and other medical professionals
  • Understanding human anatomy
  • Appealing claim denials


Medical abbreviations are used all the time in hospitals, clinics and various health institutions.

Many of these abbreviations are well-known and in use outside medical settings, but different institutions can develop internal abbreviations that aren't generally recognized.

Medical abbreviations are used to save time when diagnosing and writing charts. We've tried to put together an exhaustive list of the ones that are in general use.


Remember that punctuation can matter with medical abbreviations.

The abbreviation WC means white cells. If it's wheelchair you mean, you use the abbreviation W/C.

Abbreviation Example


The medical abbreviation YPLL means years of potential life lost.

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