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A member asked:
Is the tuberculosis test positive if you have a bump there a week after the test was administered?
A doctor has provided 1 answer
No: The PPD test has to be measured & interpreted within 48-72 hours after administration of the test. Any swelling/induration noted a week after the initial intradermal injection cannot be taken as evidence of a positive test.
Answered 6/10/2014
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