A member asked:

When you get a tb test and no bubble pops up does that mean its negative?

A doctor has provided 1 answer

Dr. Ronald Krauser answered

Yes: If there is no raised area which measures at least 5 mm in diameter the test should be considered negative.

Answered 3/23/2013

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A member asked:

When you get a tb test and no bubble pops up does that mean its negative?

A doctor has provided 1 answer

Dr. Ronald Krauser answered

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