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Home > Wellness > Health Library > Measurement of a Tuberculin Skin Test Reaction
Two to three days after getting a tuberculin skin
test, the size of any bump at the site is measured. Your risk of having TB is
used along with the size of the bump to determine whether the test is:
The test cannot tell if you have a latent (inactive) infection
or an active infection that can be spread to others.
ByHealthwise StaffPrimary Medical ReviewerE. Gregory Thompson, MD - Internal MedicineAdam Husney, MD - Family MedicineSpecialist Medical ReviewerR. Steven Tharratt, MD, MPVM, FACP, FCCP - Pulmonology, Critical Care Medicine, Medical Toxicology
Current as ofMay 24, 2016
Current as of:
May 24, 2016
E. Gregory Thompson, MD - Internal Medicine & Adam Husney, MD - Family Medicine & R. Steven Tharratt, MD, MPVM, FACP, FCCP - Pulmonology, Critical Care Medicine, Medical Toxicology
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