TB Test Options

A blood test that measures how your immune system reacts to TB bacteria. The test detects and measures an immune response.

The two main IGRA tests are QuantiFERON Gold

and T-SPOT.

• Single blood draw
• No return visit needed
• Results in 3-4 days
• More convenient for people who can't return for reading

 TB (Tuberculosis) testing screens for tuberculosis infection using a skin test to detect immune response to TB bacteria. 

• Takes seconds to administer
• Small bump forms under skin
• Return in 48-72 hours for reading
• Healthcare provider measures any reaction
• Positive test requires follow-up (doesn't mean active TB)