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A member asked:
What can be done to determine if you have positive result for tb skin test?
A doctor has provided 1 answer
Different cutoffs: Positive result for TB skin test is based on the size of the swelling (induration) at the site of TB test & additional risk factors that you have for acquiring tb. There are 3 cut offs for determining positive result (5, 10 & 15mm) & each one has different criteria for being used as cutoff for your test. Talk to your doctor to find out whether your test is positive or not based on these factors.
Answered 1/5/2019
5.1k views
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