A positive tuberculosis (TB) skin test can look different depending on your risk factors. Learn risk factors to consider and what a positive test may look like.

What is tuberculosis? According to the CDC, tuberculosis (TB) is a disease cause by germs that are spread from person to person through the air. There are two kinds of TB: active and inactive.

While BCG vaccination may cause a false-positive skin test result (when the test indicates that the disease is present when it is not), getting the BCG vaccine will not cause a false-positive TB ...

Dear Dr. Roach: I had a tuberculosis (TB) skin test for my new job in May, and it was negative. They did a blood test in July. I have a question about a positive T-SPOT blood test for TB. They did ...

This recommendation may be helpful because if you have received the TB vaccine, the PPD can sometimes return a false-positive result.

The blood test is more than 95% specific, meaning it’s extremely likely that you have latent infection and extremely unlikely to be a false positive.

Two TB-related conditions exist: inactive TB and active TB. Kansas health officials said patients who test positive will be screened to see if they have active TB disease or latent TB infection.

This test can also be called an acid-fast bacillus smear and culture, AFB smear and culture, TB culture and sensitivity, or a mycobacterial culture. How Does an AFB Stain Test Work? Acid fastness ...

This is because the vaccine is known to sometimes cause a false-positive with the skin test. Once a doctor determines that you have inactive or active TB, medication will be prescribed to get rid ...

The second diagnostic test option is known as a purified protein derivative (PPD) test, but it's commonly referred to as a TB skin test.