Establish the diagnosis of infection due to Blastomyces dermatitidis
Gold serum separator (SST) tube
Immediately following collection, mix sample by gently inverting 5 times
Red serum vial/tube, 5 mL
Transfer vial/tube with cap - 12mL (LabCorp)
Refrigerate
Double immunodiffusion (DID)
Negative: ≤ 1:1