misdiagnose

verb

mis·​di·​ag·​nose ˌmis-ˈdī-ig-ˌnōs How to pronounce misdiagnose (audio)
-ˌnōz,
ˌdī-ig-ˈnōs,
-ˈnōz,
-əg-
misdiagnosed; misdiagnosing

transitive verb

: to diagnose (someone or something) incorrectly
… babesiosis is often missed or misdiagnosed as malaria or flu.Linda Marsa
The researchers added that children with this disease are often misdiagnosed and thus inappropriately treated …Jane E. Brody

Examples of misdiagnose in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Verywell Health: Why is hidradenitis suppurativa so commonly misdiagnosed? Team Verywell Health, Verywell Health, 3 Apr. 2025 Narcolepsy symptoms usually begin between the ages of 7 and 25 and often are misdiagnosed, according to the National Institutes of Health. Seth Emerson, New York Times, 26 Mar. 2025 Furthermore, dismissing that underlying condition as mental illness can instigate the very illness being misdiagnosed. Shreyas Teegala, Smithsonian Magazine, 25 Mar. 2025 Pierce added that because of limited knowledge and awareness in the past, there may have been many children who were underdiagnosed and misdiagnosed. Mary Kekatos, ABC News, 13 Feb. 2025 See All Example Sentences for misdiagnose

Word History

First Known Use

1883, in the meaning defined above

Time Traveler
The first known use of misdiagnose was in 1883

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Cite this Entry

“Misdiagnose.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/misdiagnose. Accessed 14 Apr. 2025.

Medical Definition

misdiagnose

transitive verb
mis·​di·​ag·​nose (ˈ)mis-ˈdī-ig-ˌnōs, -ˌnōz How to pronounce misdiagnose (audio)
misdiagnosed; misdiagnosing
: to diagnose incorrectly

More from Merriam-Webster on misdiagnose

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