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Definition of Diagnosis

Diagnosis: 1 The nature of a disease; the identification of an illness. 2 A conclusion or decision reached by diagnosis. The diagnosis is rabies. 3 The identification of any problem. The diagnosis was a plugged IV.

The word diagnosis comes directly from the Greek, but the meaning has been changed. To the Greeks a diagnosis meant specifically a "discrimination, a distinguishing, or a discerning between two possibilities." Today, in medicine that corresponds more closely to a differential diagnosis.

Source: MedTerms™ Medical Dictionary
http://www.medterms.com/script/main/art.asp?articlekey=2979
Last Editorial Review: 8/28/2013

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