Immunoglobulin G, Monitoring of Primary Immunodeficiency Treatment Profile
Also known as: IgG Subclasses, IgG1,2,3,4, Intravenous Immunoglobulin Treatment Monitoring, Primary Immunodeficiency Treatment Monitoring
Use
Monitoring the treatment of patients with intravenous IgG infusions who exhibit primary immunodeficiency with recurrent infections
Special Instructions
Not provided.
Limitations
This test is not suitable for samples containing rheumatoid factor, paraproteins, or other circulating immune complexes due to potential nonspecific light scatter. Additionally, it is not recommended for assessing atopy in allergic patients and is unsuitable for lipemic or hemolyzed samples.
Methodology
Immunoassay
Biomarkers
LOINC Codes
- 2465-3 - IgG SerPl-mCnc
- 2466-1 - IgG1 Ser-mCnc
- 2467-9 - IgG2 Ser-mCnc
- 2468-7 - IgG3 Ser-mCnc
- 2469-5 - IgG4 Ser-mCnc
Result Turnaround Time
3-5 days
Related Documents
For more information, please review the documents below
Specimen
Serum
Volume
3 mL
Minimum Volume
1.8 mL
Container
Red-top tube or gel-barrier tube
Collection Instructions
Transfer serum to a plastic transport tube.
Storage Instructions
Refrigerate
Causes for Rejection
Gross lipemia; hemolysis
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 3 days |
| Refrigerated | 7 days |
| Frozen | 13 days |
Other tests from different labs that may be relevant