The confirmatory test varies depending on the positive results on the initial screen.

For complete legal identification, a second confirmatory test is usually also required.

The results of a confirmatory test are not available for at least a week more.

If a confirmatory test is negative, by then it's too late to start breast feeding.

Thus, treatment with wide-spectrum antibiotics should not be delayed while confirmatory tests are being conducted.

To date the confirmatory test has not been reported by Taco Bell.

Those with positive results would be advised to consult a physician for a confirmatory test.

Positive samples were subjected to a second, confirmatory test to eliminate errors.

It is used as a confirmatory test for syphilis infection.

Reputable testing centers always do these "confirmatory" tests, because there is a very small chance that the first test was wrong.