Test Details
Mnemonic
UWAFB
Ordering Code
3513810
CPT-4 Code(s)
87551 (Non-TB Mycobacteria); 87556 (MTB)
Specimen Information
Collect
Tissue or non-blood fluid
Specimen Preparation
Fresh frozen tissue or sterile fluid are the preferred specimen type. Paraffin embedded tissues and pure cultures are also acceptable. Respiratory and genitourinary specimens are acceptable.
Minimum Volume
1 mL fluid, 1 cc tissue
Transport Temperature
Frozen
Rejection Criteria
Whole blood, serum, plasma, tissue floating in excess formalin
Stability
Room temperature: Paraffin embedded tissue or pure culture
Refrigerated: Unacceptable
Frozen: Fresh tissue or fluid
Refrigerated: Unacceptable
Frozen: Fresh tissue or fluid
Methodology
Polymerase Chain Reaction (PCR)
Reference Range
Not detected
Performing Laboratory
University of Washington Reference Lab
New York DOH Approval Status
No