Analytical, Diagnostic and Therapeutic Techniques, and Equipment

Diagnosis

The determination of the nature of a disease or condition, or the distinguishing of one disease or condition from another. Assessment may be made through physical examination, laboratory tests, or the likes. Computerized programs may be used to enhance the decision-making process.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

The determination of the nature of a disease or condition, or the distinguishing of one disease or condition from another. Assessment may be made through physical examination, laboratory tests, or the likes. Computerized programs may be used to enhance the decision-making process.

MeSH Record

Classification

Narrower headings

MeSH Qualifier

Used as a Subheading

Diagnosis is also a MeSH subheading (qualifier Q000175), attached to other headings to focus them on this aspect:

Used with diseases for all aspects of diagnosis, including examination, differential diagnosis and prognosis. Excludes diagnosis using imaging techniques (e.g. radiography, scintigraphy, and ultrasonography) for which diagnostic imaging is used.

Qualifier ID
Q000175
Qualifier Tree
Y04

Indexing annotation

subheading only; includes "examination", "symptoms"

Subheading synonyms

  • findings
  • screening
  • signs
  • symptoms

Qualifier graph

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Related Concepts

Knowledge Graph

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MeSH Record

Synonyms

14 entry terms
  • Diagnose
  • Diagnoses
  • Antemortem Diagnosis
  • Diagnoses and Examination
  • Diagnoses and Examinations
  • Examinations and Diagnoses
  • Postmortem Diagnosis
  • Antemortem Diagnoses
  • Diagnoses, Antemortem
  • Diagnoses, Postmortem
  • Diagnosis, Antemortem
  • Diagnosis, Postmortem
  • Examination and Diagnoses
  • Postmortem Diagnoses

MeSH Record

Indexing Annotation

general only; prefer /diag with disease term; in Chinese traditional medicine, index bianzheng shizhi (differentiation of signs & symptoms) under DIAGNOSIS, DIFFERENTIAL (IM) + MEDICINE, CHINESE TRADITIONAL (IM)

MeSH Hierarchy

Tree Number

  1. E01w

AMA Style

References

  1. National Library of Medicine. Diagnosis. Medical Subject Headings (MeSH). 2026. Unique ID D003933. http://id.nlm.nih.gov/mesh/2026/D003933
  2. Diagnosis. In: Wikipedia. https://en.wikipedia.org/wiki/Diagnosis
  3. Diagnosis. In: Wikidata. https://www.wikidata.org/wiki/Q16644043