Confirmation of the presence of precipitating antibodies associated with hypersensitivity pneumonitis (HP).
Immediately following collection, mix sample by gently inverting 5 times
Gold serum separator (SST) tube
Ambient (preferred) - 7 days
Refrigerated - 14 days
Frozen - 14 days
Freeze/thaw cycles - stable x 2
Double diffusion (Ouchterlony)
Negative