IgD : 541

Test Code

IGDQ or 541

Alias/See Also

IgD (Immunoglobulin D), Immunoglobulin D (IgD)

CPT Codes
82784

Preferred Specimen

1 mL serum

Minimum Volume

0.5 mL

Transport Temperature

Refrigerated

Specimen Stability

Room temperature: 8 hours
Refrigerated: 7 days
Frozen: 21 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Moderately lipemic • Grossly lipemic • Grossly icteric

Methodology
Nephelometry

Setup Schedule

Tues, Thurs, Sat

Report Available

1-3 days (From receipt at performing laboratory)

Reference Range

less than 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).

Performing Laboratory
Quest Diagnostics

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.