How to Tuberculosis Test?

See a healthcare provider or clinic for TB testing

Choose one of the standard tests:

Tuberculin skin test (TST or Mantoux test)

Interferon-gamma release assay (IGRA blood test)

For a skin test:

A small amount of TB protein is injected under the skin

Return in 48 to 72 hours to have the site checked

For a blood test:

A blood sample is drawn and sent to a lab

If the test is positive:

Get a chest X-ray

Provide a sputum sample if requested

Follow up with a healthcare provider for further evaluation

If you have symptoms or recent exposure:

Get tested as soon as possible

Follow local public health guidance if advised

Ask your provider which test is best for you

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