• A process to identify the disease or condition that explains the symptoms and signs occurring in a patient. NOTE: The information required for diagnosis is collected from a history and physical examination of the patient and preferably confirmed by one or more diagnostic procedures such as laboratory tests, radiologic studies and other technical investigations.
  CDISC Terminology
  Clinical Data Interchange Standards Consortium (CDISC), 2021
• General term for detecting and classifying diseases.
  CRISP Thesaurus
  National Institutes of Health, 2006
• 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.
  NLM Medical Subject Headings
  U.S. National Library of Medicine, 2021
• The investigation, analysis and recognition of the presence and nature of disease, condition, or injury from expressed signs and symptoms; also, the scientific determination of any kind; the concise results or summary of such an investigation.
  CDISC Terminology
  Clinical Data Interchange Standards Consortium (CDISC), 2021
• The process of identifying a disease, such as cancer, from its signs and symptoms.
  NCI Dictionary of Cancer Terms
  U.S. National Cancer Institute, 2021
• (diagnoses) The source act is intended to help establish the presence of a (an adverse) situation described by the target act. This is not limited to diseases but can apply to any adverse situation or condition of medical or technical nature.
  NCI Health Level 7 Vocabulary
  U.S. National Cancer Institute, 2018
• Diagnosis, the process of determining the nature of a disease or disorder and distinguishing it from other possible conditions. The term comes from the Greek gnosis, meaning knowledge. The diagnostic process is the method by which health professionals select one disease over another, identifying...
  Encyclopedia Britannica
  Encyclopedia Britannica, Inc., 2020