Mantoux (Tuberculin Skin) Test: Procedure, Interpretation, Positive Test Criteria, Clinical Uses & Limitations
What is the Mantoux (Tuberculin Skin) Test? The Mantoux test is the standard tuberculosis (TB) screening test used to detect latent TB infection (LTBI) by injecting PPD intradermally and measuring induration after 48–72 hours. This high-yield guide explains the procedure, interpretation, positive test criteria, Type IV hypersensitivity, clinical uses, limitations, and exam pearls for MBBS, NEET PG, INICET, FMGE, USMLE, PLAB preparation and for clinical practice.