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misdiagnose

American  
[mis-dahy-uhg-nohs, -nohz, mis-dahy-uhg-nohs, -nohz] / mɪsˈdaɪ əgˌnoʊs, -ˌnoʊz, ˌmɪs daɪ əgˈnoʊs, -ˈnoʊz /

verb (used without object)

misdiagnosed, misdiagnosing
  1. to make an incorrect diagnosis.


verb (used with object)

misdiagnosed, misdiagnosing
  1. to diagnose erroneously.

    to misdiagnose the nation's ills.

misdiagnose British  
/ ˌmɪsˈdaɪəɡˌnəʊz /

verb

  1. to diagnose (an illness or problem) wrongly or mistakenly

"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

Etymology

Origin of misdiagnose

First recorded in 1925–30; mis- 1 + diagnose

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:

There are situations in which doctors can misdiagnose people with TB.

From Los Angeles Times Mar. 25, 2024

This difference may help explain why clinicians sometimes misdiagnose women who have bipolar disorder with depression.

From Seattle Times Sep. 16, 2022

It’s easy to misdiagnose the causes of our problems and hope for relatively painless solutions.

From New York Times Aug. 10, 2021

Dr. John Mandrola, a cardiac electrophysiologist in Louisville, Ky., said the ECG feature could misdiagnose patients because of inaccurate readings, or lead to overtreatment of patients.

From The Wall Street Journal Sep. 12, 2018

"This is unhelpful for clinicians, who may misdiagnose someone as having an eating disorder or OCD."

From BBC Mar. 3, 2017

Experts say that it may have been spreading in DR Congo since as early as February but the infections of the Bundibugyo species were initially misdiagnosed as typhoid and malaria.

From BBC Aug. 21, 2026

In an Instagram post published on Monday, Grasso said her doctor first mentioned that she could have been misdiagnosed last year, but she "thought there's no way".

From BBC Aug. 18, 2026

Most of Aviv’s characters wander through life uneasily, plagued by misdiagnosed, undiagnosable or undertreated maladies.

From Los Angeles Times Jul. 8, 2026

Some estimates suggest that a significant share of patients remain undiagnosed or misdiagnosed for years, often cycling through providers before receiving a clear explanation for their symptoms.

From Salon May 16, 2026

Kevin was placed in a Children’s Hospital to undergo a brain biopsy for a misdiagnosed tumor.

From "The Freedom Writers Diary" by The Freedom Writers

This often results in doctors misdiagnosing the disease or catching it much later in its progression, when tremors may already be apparent.

From Washington Post Sep. 2, 2022

Williams’ departure came after an ugly dispute with the team’s medical staff and former president Bruce Allen in which he blamed the team for misdiagnosing a cancerous growth on his head.

From Washington Times Sep. 1, 2022

This included misdiagnosing a student with a potentially life-threatening case of appendicitis and failing to notice a stress fracture in another student, prolonging the recovery.

From Seattle Times Jul. 13, 2020

Caroline Schnakers was a neuropsychologist in Belgium when studies began appearing that showed doctors were misdiagnosing consciousness: People who were conscious were being diagnosed as being in a vegetative state.

From Los Angeles Times Aug. 22, 2019

In his 2015 autobiography Purple Revolution, he laid bare both his anger with the NHS for initially misdiagnosing his condition but also his gratitude for the ultimately successful treatment, which he says saved his life.

From BBC May 27, 2019

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