Xpert MTB/RIF RT-PCR Test
A WHO endorsed Test for diagnosis of TB
Technique
WHO endorsed Multiplex Real Time PCR for Molecular diagnosis of Tuberculosis (MTB)
Used for
Extremely reliable for simultaneous detection of MTB and Rifampicin resistance (a marker for MDR Tuberculosis)
Specimen
Pulmonary Samples: Sputum, Bronchio-alveolar lavage (BAL)
Site-specific specimen: All body fluids, FNAC Aspirate, Pus, Biopsies-endometrium, lymph node etc.
Advantages
Cost Effective, Rapid Results-Same day (Test process < 3 hours) Extremely sensitive– Detects 50-150 cfu (Bacteria)/ mL