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IgD, Serum [541X]
Test Code6042
CPT Codes
82784
Preferred Specimen
1 mL serum
Minimum Volume
0.5 mL
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: 8 hours
Refrigerated: 7 days
Frozen: 21 days
Refrigerated: 7 days
Frozen: 21 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Moderately lipemic • Grossly lipemic • Grossly icteric
Methodology
Nephelometry
Setup Schedule
Set up: Tues, Thurs, Sat; Report available: 1-3 days
Reference Range
<179 mg/L
Clinical Significance
IgD (molecular weight 185 kD) is one of the 5 classes of human immunoglobulins. IgD accounts for less than 1% of the total plasma immunoglobulins. Very high serum IgD concentrations can be found in multiple myeloma patients. Raised levels are also found in hyperimmunoglobulinemia IgD syndrome (HIDS).