DNA Probe – Mycobacteria Identification
The Deoxyribonucleic Acid (DNA) probe procedure is used to identify the mycobacteria species of Mycobacterium tuberculosis complex (MTBC) and M. avium complex as well M. gordonae. The probe is used as an additional test when there is not a clear ID off the High Performance Liquid Chromatography (HPLC) mycolic acid analysis.
Acceptable Specimen Type(s)
DNA Probes are used on positive Acid Fast Bacilli (AFB) cultures to identify M. tuberculosis complex, M. avium complex, M. gordonae or to rule out M. tuberculosis complex.
DNA Probes are NOT used on clinical specimens
Test Request Form(s)
M. tuberculosis complex
M. avium complex
Clinical specimens may take up to 6 weeks before a final report is released.
Reference isolates submitted for identification purposes only may take up to 2 weeks before a final report is released.