Confirm the presence of precipitating antibodies to Aspergillus
Gold serum separator (SST) tube
Immediatley following collection, mix sample by gently inverting 5 times
Red serum vial/tube, 5 mL
Transfer vial/tube with cap - 12mL (LabCorp)
Refrigerated
Double immunodiffusion (DID)
Negative: < 1:1