0 proving or stating that something is correct, especially a medical diagnosis (= judgment about what an illness or problem is) or test result:
Blood units that initially test positive must undergo confirmatory tests to be sure the virus is present.
An MRI scan may be given for women at high risk of breast cancer or needing a confirmatory diagnosis.
The diagnosis of osteoarthritis is not difficult, even without an x-ray, although an x-ray may be confirmatory.
The patients all had some other confirmatory evidence of active gut inflammation.
Other methods used in instrument construction employ confirmatory factor analysis to see whether items in an instrument cluster together as expected.
We still have no specific confirmatory test and continue to rely solely upon findings on physical examination to confirm the diagnosis.
The presence of mitral regurgitation, of course, is absolutely confirmatory.
This section describes a final confirmatory experiment to verify such a scheme.
