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MTB direct detection by qualitative PCR
MessageSmear-positive sputum: automatic reflex to MTB PCR
Smear-negative sputum, BAL, or bronch wash: Lab only orderable. Unit will have to put in Lab Communication
Smear-negative sputum, BAL, or bronch wash: Lab only orderable. Unit will have to put in Lab Communication
Test Code
TBPCR
Alias/See Also
Mycobacterium tuberculosis complex, Respiratory, PCR
Xpert MTB/RIF
Xpert MTB/RIF
CPT Codes
87556
Preferred Specimen
Smear-positive sputum
Other Acceptable Specimens
Smear-negative sputum, BAL, and Bronch Wash
NOTE: The use of the above mentioned sample types were developed and its performance characteristics determined by the BUMCP Microbiology Laboratory. These sample types have not been cleared or approved by the US Food and Drug Administration (FDA). The FDA has determined that such clearance or approval is not necessary since the laboratory is approved under CLIA for high complexity testing.
NOTE: The use of the above mentioned sample types were developed and its performance characteristics determined by the BUMCP Microbiology Laboratory. These sample types have not been cleared or approved by the US Food and Drug Administration (FDA). The FDA has determined that such clearance or approval is not necessary since the laboratory is approved under CLIA for high complexity testing.
Transport Container
Sterile container with screw top lid
Transport Temperature
Refrigerated
Specimen Stability
Refrigerated: 7 days
Frozen: 30 days
Frozen: 30 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
- Source other than sputum, BAL or bronch wash
- Specimens from pediatric patients
- Samples with obvious food particles
Methodology
Nested real-time polymerase chain reaction (PCR)
Report Available
Turnaround time is 24 hours
Reference Range
Normal Value = Not Detected
Performing Laboratory
BUMCP Microbiology Laboratory
