overdiagnosis

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noun

The act or process of diagnosing something too frequently, or based on insufficient evidence, or without benefit to the patient; an instance of this act or process.

Scrabble 18

Meanings

nounoverdiagnosis (countable and uncountable, plural overdiagnoses)

plural overdiagnoses

  1. countableuncountablemedicineThe act or process of diagnosing something too frequently, or based on insufficient evidence, or without benefit to the patient; an instance of this act or process.

    While failing to make a diagnosis can result in lawsuits, there are no corresponding penalties for overdiagnosis.

    2007 January 2, H. Gilbert Welch, Lisa Schwartz, Steven Woloshin, “What’s Making Us Sick Is an Epidemic of Diagnoses”, in New York Times
    2 more examples

    Specifically, the broader diagnostic criteria typically results in the overdiagnosis of autism, particularly among those more severely disabled.

    2007, Stephen E. Brock, Shane R. Jimerson, Robin L. Hansen, Identifying, Assessing, and Treating Autism at School, page 29

    Overdiagnosis refers to diagnosis that does not benefit patients because the diagnosed condition is not a harmful disease in those individuals.

    2016 August, Wendy A. Rogers, Yishai Mintzker, “Getting clearer on overdiagnosis”, in Journal of evaluation in clinical practice

    Antonyms: underdiagnosis

Synonyms & antonyms

nounThe act or process of diagnosing something too frequently, or based on insufficient evidence, or without benefit to the patient; an instance of this act or process.

Origin

  1. Proto-Indo-European*úp
  2. Proto-Indo-European*upér
  3. Proto-Germanic*uber
  4. Old Englishofer-
  5. Middle Englishover-
  6. Englishover-
  7. Proto-Indo-European*dwóh₁
  8. Proto-Indo-European*trísinflu.
  9. Proto-Indo-European*dwís
  10. Ancient Greekδιά (diá)
  11. Ancient Greekδια- (dia-)
  12. Proto-Indo-European*ǵneh₃-
  13. Proto-Indo-European*ǵn̥h₃sḱéti
  14. Proto-Hellenic*gignṓskō
  15. Ancient Greekγῐγνώσκω (gĭgnṓskō)
  16. Ancient Greekδῐαγῐγνώσκω (dĭagĭgnṓskō)
  17. Ancient Greekδῐᾰ́γνωσῐς (dĭắgnōsĭs)
  18. Latindiagnōsis
  19. Englishdiagnosis
  20. Englishoverdiagnosis

From over- + diagnosis.

Full word history & related roots →
Cite this entry
APA

overdiagnosis. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/overdiagnosis

MLA

“overdiagnosis.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/overdiagnosis. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “overdiagnosis,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/overdiagnosis.

Source: overdiagnosis on Wiktionary, CC BY-SA 4.0.