ARUP's Laboratory Test Directory
| 0099200: Immunoglobulin D, Serum |
| Test Mnemonic: IGD | |
|
Methodology: Nephelometry
Performed: Mon, Wed, Fri Reported: 1-4 days |
| Specimen Required: | |
|
Collect: One 4 mL SST.
Transport: 1 mL serum at 2-8°C. (Min: 0.5 mL) Submit specimen in an ARUP Standard Transport Tube. Pediatric Collection/Transport: 0.3 mL serum at 2-8°C. Remarks: Separate serum from cells ASAP. Plasma is not recommended. Unacceptable Conditions: Severely lipemic, contaminated, or hemolyzed specimens. Stability: After separation from cells: Ambient: 8 hours; Refrigerated: 2 days; Frozen: 1 month |
|
| Reference Interval: |
| Less than or equal to 15.3 mg/dL |
| Interpretive Data: | |
|
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.
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| CPT Code(s): | |
| 82784 |