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A member asked:
What's the difference between a positive and negative ppd test?
A doctor has provided 1 answer
PPD: Positive test: 5mm in HIV patients and other immunosuppressed individuals all others: 10 mm .Measured induration after 48 hours. Negative reaction: not exposed to tb.
Answered 6/19/2018
5.7k views
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Related Questions
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Are there any dangers from repeating a potive PPD test?
A doctor has provided 1 answer
A member asked:
Ppd test and after 3 days, the induration measures 8mm. do you think an induration of 8mm is positive?
A doctor has provided 1 answer
A member asked:
Why would someone born in india get a false positive on a PPD TB test?
A doctor has provided 1 answer
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