Definition of diagnosis in US English:

diagnosis

noun

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

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

Origin

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

Pronunciation

diagnosis

/ˌdīəɡˈnōsəs//ˌdaɪəɡˈnoʊsəs/