Tuberculin Purified Protein Derivative (Rx) 1ml Ten Dose 5 TU/0.1ml is a diagnostic agent used for the tuberculin skin test (TST) to detect infection with Mycobacterium tuberculosis. The solution contains 5 Tuberculin Units (TU) per 0.1ml, and the vial provides 1ml of solution, which is enough for ten doses. It is typically administered intradermally to assess if a person has been exposed to tuberculosis. This product is for professional use under the supervision of a healthcare provider.