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Mycobacteriology: AFB Smear and Culture

Updated

8/15/2013

Other Names Mycobacterium tuberculosis, TB, Acid Fast Bacillus (AFB)
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How to Order
Check the AFB Smear/Culture box under MYCOBACTERIUM on the General Microbiology Request Form
Availability
County and State Public Health entities
Methodology
Standard reference methods for AFB smear  and Culture
Performed
Daily during business hours
Time to Reporting
Smear: within one working day.  Culture: up to 8 weeks
CPT Code
87015, 87206, 87116, 87552


Specimen Collection Details

Collection

Collection kits available on request. Collect Sputum into 50ml tube provided  Detailed instructions for collection, packaging, and submission of specimens can be found at:https://public.health.oregon.gov/LaboratoryServices/Documents/tb.pdf

Optimal Volume
5 ml (Not more than 10 ml)
Minimum Volume
1 ml (lower volumes processed with qualifier)
Handling
Refrigerate samples at 2-8ºC if transport is delayed
Transport

Submit specimen according to Infectious Substance Shipping Guidelines.  Deliver to lab within 5 days of collection.  Delayed specimens will be processed with a qualifier.

Rejection Criteria
Comments
For additional information or assistance, please contact the laboratory at 503-693-4100.