Mycobacterium – detection – Urine

Detection of acid fast bacilli in urine
Microbiology
Bacteriology
○ Catheter or midstream urine ○ Suprapubic tap

Other Information

○ Specimens in fixative, 24h pooled specimens, urine from a catheter bag, specimens ≤40 mL (unless a larger volume is not obtainable) will not be tested.
○ Indicate if the patient has been treated with bladder instillation of M. bovis BCG

○ Sterile container (min volume 40 mL)

○ Collect first voided or catheter urine into a clean, sterile container, on 3 consecutive days.

Refer to section Sample Processing / Delivery

PHOL

○ Microscopy: 1 day
○ Culture: Up to 49 days; positive culture is reported within 24h of growth

416-586-4800 extension 4571

NO

○ Label specimen container. Place specimens in biohazard bag and seal.

○ Specimens should be stored at refrigeration temperature (2-8˚C) after collection if transport is delayed more than one hour. Transport to the UHN/SH Microbiology Laboratory ASAP after collection.

○ The specimen will be referred to the Public Health Ontario Laboratory for testing