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misdiagnosis

American  
[mis-dahy-uhg-noh-sis] / ˌmɪs daɪ əgˈnoʊ sɪs /

noun

  • misdiagnoses
    plural
  1. an incorrect diagnosis.


misdiagnosis British  
/ ˌmɪsdaɪəɡˈnəʊsɪs /

noun

  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

Other Word Forms

Noun Inflected Forms

Etymology

Origin of misdiagnosis

First recorded in 1945–50; mis- 1 + diagnosis

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

He told CBS that was a misdiagnosis, and that his confusion and the “euphoric highs and dark lows” he was known for were symptoms of the dementia.

From The Wall Street Journal May 6, 2026

The “Bad Apple” singer said she received treatment late because of the misdiagnosis and doctors are now ordering that she cannot fly or perform for six weeks.

From Los Angeles Times Apr. 9, 2026

This helps reduce the risk of misdiagnosis and unnecessary concern for patients.

From Science Daily Mar. 23, 2026

Recent cases of alleged misdiagnosis illustrate this point.

From MarketWatch Dec. 30, 2025

Is it based on a misdiagnosis of a legitimate problem, such as declaring that a construction which is sometimes ambiguous is always ungrammatical?

From "The Sense of Style" by Steven Pinker

“All we need are some horror stories” about misdiagnoses or dangerous advice, “and that whole area is tarred.”

From Los Angeles Times Feb. 26, 2026

For nearly a year, repeated misdiagnoses of the deadly kala-azar disease left 60-year-old Harada Hussein Abdirahman's health deteriorating, as an outbreak in Kenya's arid regions claimed a record number of lives.

From Barron's Feb. 8, 2026

In a follow-up study to his 2008 look at misdiagnosis, Zimmerman and his collaborators looked for conditions that were masked by possible bipolar misdiagnoses.

From Slate Sep. 29, 2024

The report by the Equality and Social Justice Committee said mistakes and misdiagnoses occurred often due to the "wholly inappropriate use of family members as interpreters in medical settings, rather than trained professionals".

From BBC Mar. 14, 2024

"Conventional tools often fail to capture the intricate mechanics and dynamics of the right ventricle, leading to potential misdiagnoses and inadequate treatment strategies," Singh says.

From Science Daily Dec. 8, 2023

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