Immunoglobulin D
Test Mnemonic
IGDQNT
CPT Codes
- 82784 - QTY (1)
LOINC ®
2460-4
Aliases
- IgD
Includes
- Immunoglobulin D
Performing Laboratory
ARUP
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL | Serum | SST (Gold) | Refrigerated | Separate serum from cells ASAP or within 2 hours of collection and transfer into standard aliquot tube. |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.5 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Refrigerated | After separation from cells: 14 days |
| Frozen | After separation from cells: 6 months |
| Ambient | After separation from cells: Unacceptable |
Days Performed
Mon, Wed, Fri
Turnaround Time
2 - 5 days
Methodology
| Name | Description |
|---|---|
| Quantitative Immunoturbidimetric |
Reference Range
| IgD Quant | |||||
|---|---|---|---|---|---|
| Sex | Age From | Age To | Type | Range | Range Unit |
| Years | 99 Years | Normal | <= 15.3 | mg/dL |
Special Info
Grossly hemolyzed or lipemic specimens are unacceptable. This test is New York DOH approved.
Clinical Info
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.