TB bacteria DNA and rifampicin resistance in sputum.
General health information, not a diagnosis. In an emergency, call 102. Always consult a qualified health professional.
Cough for 2 weeks or more, suspected TB.
Early morning sputum is best. Laboratory-specific; see the reference range on your report. High or positive may mean: TB detected (and resistance if shown). Low or negative may mean: TB not detected; repeat if symptoms continue. General information, not a diagnosis. Results must be interpreted by a qualified health worker.
⚠️ Reference ranges vary by lab, age and sex — always use the range printed on your own report.
Consult a doctor to interpret results — a single test does not make a diagnosis.
Uses your location once to list the nearest facilities. Nothing is stored.
Why is GeneXpert MTB/RIF done?
Cough for 2 weeks or more, suspected TB.
Do I need to prepare or fast for GeneXpert MTB/RIF?
Early morning sputum is best. Laboratory-specific; see the reference range on your report. High or positive may mean: TB detected (and resistance if shown). Low or negative may mean: TB not detected; repeat if symptoms continue. General information, not a diagnosis. Results must be interpreted by a qualified health worker.
SI text CC BY 4.0; decoder reference data (cited per range); LOINC codes free with attribution (notice included).
Sources: SI health summary (own words); MedlinePlus Lab Tests and CDC as references