Definition of diagnosis in English:



  • 1The identification of the nature of an illness or other problem by examination of the symptoms.

    ‘early diagnosis and treatment are essential’
    [count noun] ‘a diagnosis of Crohn's disease was made’
    • ‘Each patient also demonstrated significant bronchodilator responsiveness, and two patients received an initial diagnosis of asthma.’
    • ‘Isotope bone scan or MRI should be performed to make an early, definitive diagnosis.’
    • ‘More people than ever in Britain are surviving cancer thanks largely to changes in lifestyle, screening services, earlier diagnoses, and prompt treatments, the latest figures have shown.’
    • ‘Over one half of the pregnancies occurred within two years of initial breast cancer diagnosis.’
    • ‘Specimens collected during invasive speculum examination have long been necessary for the conventional laboratory diagnosis of vaginal discharge diseases.’
    • ‘Preparing a diagnosis on the basis of such uncertain data is clearly nonsense.’
    • ‘Immunohistochemistry revealed the epithelial nature of the cells and excluded a diagnosis of lymphoma.’
    • ‘Where possible, we confirmed the prenatal diagnosis by checking the results of chromosome analysis performed after delivery.’
    • ‘There an assessment nurse diagnosed an acute attack of rheumatoid arthritis and confirmed the diagnoses with blood tests for rheumatoid factor and ESR levels.’
    • ‘In fact, heart failure is the most common hospital discharge diagnosis for patients over 65 years.’
    • ‘Obviously, identification of the primary site is helpful in establishing the correct diagnosis.’
    • ‘Early in the nineteenth century, diagnosis depended on a patient's recitation of symptoms.’
    • ‘The reliability of medical staff involved in the diagnosis of pneumonia was not investigated.’
    • ‘The symptoms of heart failure can mimic those of many other conditions, sometimes making accurate diagnosis difficult.’
    • ‘The technique could eventually provide the basis for computerized medical diagnoses performed in the physician's office, they add.’
    • ‘The average physician requires an hour to make the initial ADHD diagnosis.’
    • ‘For this reason, criteria have been established for the diagnosis of certain disorders.’
    • ‘Many researchers have reported discrepancies between MRI diagnoses and diagnoses made during arthroscopic examination.’
    • ‘Accurate and timely diagnosis of acute appendicitis is essential to minimize morbidity.’
    • ‘To establish the correct diagnosis may involve a combination of conventional and complementary techniques.’
    identification, recognition, discovery, detection, pinpointing, reading, determination
    opinion, prognosis, judgement, verdict, pronouncement, conclusion, interpretation
    View synonyms
  • 2The distinctive characterization in precise terms of a genus, species, or phenomenon.

    • ‘What does that mean in terms of a philosophical diagnosis of a damaged ethical life?’


Late 17th century: modern Latin, from Greek, from diagignōskein distinguish, discern from dia apart + gignōskein recognize, know.