Hypersensitivity Pneumonitis (HP)
Draw blood in a plain, red-top tube , serum gel tube is acceptable. Spin down and send 0.6 mL of serum refrigerated in a plastic vial.
Antibody levels greater than the reference range indicate that the patient has been immunologically sensitized to the antigen. The significance of elevated IgG depends on the nature of the antigen and the patient's clinical history. The test method was the Phadia ImmunoCAP.