Intended Use：This product is intended for in vitro detection of rifampin and isoniazid-resistance-related mutations in Mycobacterium tuberculosis complex (MTBC) isolates. Isolates can be solid or liquid culture of sputum from patients diagnosed with infection of MTBC. Mutations that can be detected by this assay include: D516V, S531L, H526D, H526Y, inhA -15t, and katG315. This product is used for auxiliary diagnosis and epidemiological surveillance of multidrug-resistant tuberculosis.