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Pathology and Laboratory Medicine
Test Catalogue

​Mycobacterium tuberculosis PCR


Clinical Microbiology

​Ordering Recommendations

​Specimen Requirements​

  • ​Abscess
  • Lymph node
  • Other, please specify
​Required Volume
  • Optimal Volume: as much tissue as possible
  • Minimum Volume: 2.0 grams
    (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.)

  • Stable at room temperature for 1 hour
  • Greater than 1 hour, refrigerate at 4°C prior to transport
  • May be frozen at -20°C; transport on dry ice                      
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-822 v2

Last Modified: Wednesday, December 13, 2017 |
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