over·​di·​ag·​no·​sis | \ ˌō-vər-ˌdī-ig-ˈnō-səs How to pronounce overdiagnosis (audio) , -əg- \

Definition of overdiagnosis

: the diagnosis of a condition or disease more often than it is actually present

Other Words from overdiagnosis

overdiagnose \ ˌō-​vər-​ˈdī-​ig-​ˌnōs How to pronounce overdiagnosis (audio) , -​ˌnōz , -​ˌdī-​ig-​ˈnōs , -​ˈnōz , -​əg-​ \ transitive verb

Examples of overdiagnosis in a Sentence

Recent Examples on the Web And more news organizations are now reporting on the problem of overdiagnosis, although even these reports usually fail to caution that cancer screening is what leads to those diagnoses in the first place. David Ropeik, STAT, 28 Feb. 2022 Lead time and overdiagnosis can only increase survival statistics. H. Gilbert Welch, STAT, 14 Jan. 2022 As a result, in 2012 the USPSTF—concerned about overdiagnosis and treatment of small, benign or slow-growing cancers—recommended against using prostate cancer screening for anyone. Melba Newsome, Scientific American, 12 Nov. 2021 Guaranteeing that the benefits outweigh any harm from overdiagnosis, overtreatment, false results and complications. Yair Paska, Forbes, 13 Oct. 2021 Over-testing of asymptomatic men and women can lead to overdiagnosis (flagging of microtumors and other anomalies that never would have compromised health) and overtreatment. John Horgan, Scientific American, 30 Sep. 2021 Doctors have often dismissed and minimized patients’ concerns, and others have profited from overdiagnosis. Dhruv Khullar, The New Yorker, 20 Sep. 2021 Barkley refuted the notion that there is widespread overdiagnosis or misdiagnosis with ADHD, asserting that research suggests up to 20% of children and 80% adults with ADHD remain undiagnosed. Rebecca Sohn, STAT, 14 Apr. 2021 Widening the parameters for screening eligibility inevitably also increases the possibility for overdiagnosis, which can lead to unnecessary treatment. Sarah Jacoby, SELF, 12 Mar. 2021 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'overdiagnosis.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of overdiagnosis

1971, in the meaning defined above

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The first known use of overdiagnosis was in 1971

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Last Updated

10 May 2022

Cite this Entry

“Overdiagnosis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/overdiagnosis. Accessed 26 Jun. 2022.

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More Definitions for overdiagnosis


over·​di·​ag·​no·​sis | \ -ˌdī-ig-ˈnō-səs, -əg- How to pronounce overdiagnosis (audio) \
plural overdiagnoses\ -​ˌsēz How to pronounce overdiagnosis (audio) \

Medical Definition of overdiagnosis

: the diagnosis of a condition or disease (as Lyme disease) more often than it is actually present

Other Words from overdiagnosis

overdiagnose \ -​ˈdī-​ig-​ˌnōs, -​ˌnōz, -​ˌdī-​ig-​ˈ, -​əg-​ How to pronounce overdiagnosis (audio) \ transitive verb overdiagnosed; overdiagnosing


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