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misdiagnosis

[mis-dahy-uh g-noh-sis]
noun, plural mis·di·ag·no·ses [mis-dahy-uh g-noh-seez] /ˌmɪs daɪ əgˈnoʊ siz/.
  1. an incorrect diagnosis.

Origin of misdiagnosis

First recorded in 1945–50; mis-1 + diagnosis
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for misdiagnosis

misdiagnosis

noun plural -ses (-siːz)
  1. the act or an instance of misdiagnosing or being misdiagnosed
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for misdiagnosis
n.

1880, from mis- (1) + diagnosis.

Online Etymology Dictionary, © 2010 Douglas Harper
misdiagnosis in Medicine

misdiagnosis

[mĭs-dī′əg-nō′sĭs]
n. pl. mis•di•ag•no•ses (-sēz)
  1. An incorrect diagnosis.
Related formsmis•di′ag•nose′ v.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.