confirmatory
adjective uk/kənˈfɜː.mə.tər.i/ us/kənˈfɜ˞ː.mə.tɔːr.i/
（用于）证实的
proving or stating that something is correct, especially a medical diagnosis (= judgment about what an illness or problem is) or test result
Anyone who tests positive with a rapid test must get a confirmatory blood test. 任何快速检测呈阳性的人都必须验血。
- More examples
- 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.