#ExistRefRange>Less than or equal to 15.3 mg/dL
#ExistInterpData>IgD is one of the five classes of immunoglobulin. IgD is mainly found on the surface of B-cells and may help regulate B-cell function. IgD likely serves as an early B-cell antigen receptor, however, the function of the circulating IgD is largely unknown.
||IgD (Immunoglobulin D, Serum), IgD, Total by Nephelometry (Immunoglobulin D, Serum)