Acid Fast Bacilli (AFB) Service type Pathology Fee $22.00 (Please refer to https://vdl.umn.edu/tests-fees for the accession fee and / or out of state fee that may apply.) Days tested M-F Turnaround time 2 business days Specimen Requirements Tissue(s) in 10% formalin (buffered neutral), 10 times volume of sample Shipping container Leakproof jar containing formalin Coolant None Location Term St. Paul (VDL) Submission Form(s) Companion Animal Sample Best Practice Tissue/Necropsy