Ordering Recommendation

Aids in diagnosis of immunoglobulin disorders.

Mnemonic
IGD
Methodology

Quantitative Nephelometry

Performed

Mon, Wed, Fri

Reported

1-4 days

New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect

Serum separator tube.

Specimen Preparation

Separate serum from cells ASAP or within 2 hours of collection. Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.5 mL)

Storage/Transport Temperature

Refrigerated.

Unacceptable Conditions

Contaminated, hemolyzed, or severely lipemic specimens.

Remarks
Stability

After separation from cells: Ambient: 8 hours; Refrigerated: 48 hours; 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.

No compliance statements are in use for this test.

Note
Hotline History
N/A
CPT Codes

82784

Components
Component Test Code* Component Chart Name LOINC
0099200 Immunoglobulin D 2460-4
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • IgD
  • IgD, Total by Nephelometry
  • Immunoglobulin D
Immunoglobulin D, Serum