Mantoux Test

Also known as: Tuberculin Skin Test, TST

Category: InfectionSample: Skin TestReport in: 48 72 Hours

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

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.

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.