PatientsVisitorsLocations & ServicesAbout the RegionJoin Our TeamPhysicians
Find:  Locations | Services
Pathology and Laboratory Medicine HomeTest and Services CatalogueTransfusion Medicine Product CataloguePolicy and ProcedureJob AidsSpecimen Collection and TransportRequisitionsAntibiogramsGenetic Testing and Molecular GeneticsMicrobiology EssentialsTransfusion EssentialsReference RangesLaboratory SuppliesAcute Care SCM GuidelinesContact InformationPhysician Access to Patient ResultsNew Clinic or Provider Information Changes
Pathology and Laboratory Medicine
Test Catalogue

Mycobacterium tuberculosis PCR

Lower Respiratory

Clinical Microbiology

​Ordering Recommendations

​Specimen Requirements​

  • ​Bronchial washing
  • Bronchoalveolar lavage
  • Endotracheal secretions
  • Sputum
​Required Volume
  • Optimal Volume: 15 mL
  • Minimum Volume: 5 mL
    (Submitting the minimum volume makes it impossible to repeat the test or perform confirmatory/reflex testing. In some situations, a minimum volume may require a second collection. If less than the minimum volume is submitted, TB/AFB culture may be prioritized in consultation with the Microbiologist-on-call at 306-655-1000.)

  • Store at room temperature to transport
Grounds for Rejection​

Testing Information​ ​

Testing Site​
  • Molecular Microbiology/Virology Laboratory, ​RUH
Results Reporting​
​Reflex Testing
  • ​TB/AFB (Mycobacterium) culture will be added to TB PCR request
​Clinical Interpretation
​Alternate Test Names
  • TB PCR
  • AFB

Test Ordering Requirements​

Forms Required


​If you choose to print this information, it is valid only on date of print.

Laboratory Controlled Document LSM-820 v2

Last Modified: Wednesday, December 13, 2017 |
Questions or feedback about this page?