Mantoux Test
Also known as: Tuberculin Skin Test, TST
A small injection under the skin to check exposure to TB bacteria; read after 48-72 hours.
Why it's done
- Detect TB exposure, mainly in children
What it measures
Skin reaction size to tuberculin.
Preparation
Return for reading after 48-72 hours.
Normal range
Induration below 10 mm is usually negative
Understanding results
A positive test shows exposure, not necessarily active disease.
Related conditions
Ordered by
Frequently asked questions
Why is the Mantoux Test test done?
Detect TB exposure, mainly in children
How do I prepare for Mantoux Test?
Return for reading after 48-72 hours.
What is the normal range for Mantoux Test?
Induration below 10 mm is usually negative
Medically reviewed by
Medical review pending
Last updated
9 October 2026
Sources
- ICMR standard treatment workflows
- Reference ranges vary by laboratory - always read your report with your doctor
This information is for general awareness and does not replace advice from a qualified doctor. Do not start, stop or change any medicine without medical advice.
