A Low IgD level

A Low IgD level: Overview

IgD stands for immunoglobulin D, one of the classes of immunoglobulins (also called antibodies) that are in the blood.  IgD is mainly found on the surface of B-cells and may help regulate B-cell function.  The role of IgD in the immune system is not well understood.

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The 'low', 'normal' and 'high' ranges vary with age, and are also lab-specific.  However, a reasonable normal range is 0.3-3.0mg/dl.

A high level of IgD may indicate IgD multiple myeloma.  IgD multiple myeloma is much less common than IgA or IgG multiple myeloma.

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Low IgD Level:
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