Imperial Collage Healthcare

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TB and mycobacterial culture

Lab Code : TBCUL

Sample Required
• Respiratory samples (sputum, bronchoalveolar lavage, bronchial washing, tracheal aspirate)• Tissue samples and biopsies including lymph node• Aspirates including fine needle aspirate and gastric washings• Fluids (pleural, ascetic, pericardial, etc.)• Pus samples• Early morning urine (EMU) samples

Sample Container
Sterile universal container

Sample Collection

  • Three consecutive EMU samples are required for culture. Minimum volume for each sample is approx. 100 mL.
  • Blood and bone marrow samples are collected using specific TB culture bottles obtained from Pathology Reception.

Transport to the laboratory on the day of collection or refrigerate overnight

Turnaround Time
6-8 weeks

Samples may be referred to the Mycobacteria Reference Unit, Public Health England, for further investigation.

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