CDISC-Gloss – 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. [After “Making a diagnosis”, John P. Langlois, Chapter 10 in Fundamentals of clinical practice (2002). Mark B. Mengel, Warren Lee Holleman, Scott A. Fields. 2nd edition.] See also treatment, intervention, disease, sign, symptom.