One of the five classes of immunoglobulins; it is present in small amounts in serum and is thought to function in certain allergic responses
Immunoglobulin D (IgD), which exists in small amounts in the blood, is the least understood antibody.
Sample
- The best sample is fresh serum.
- The sample can be stored at 4 °C less than 72 hours.
- Avoid lipemic or hemolyzed sample.
- Stable for 6 months at -20 °C.
Normal Value :
- Newborn = <1.0 mg/dL
- Adult = <8 mg/dL
Raised level seen in:
- In patients with multiple Myeloma cases (IgD myeloma)
- May be seen in hyperimmunoglobulinemia IgD syndrome.
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