Casandra
Casandra Test Code LC57510Version 1 (DRAFT)
Performing Lab
Immunoglobulin G, Subclasses (1-4)
Also known as: IgG Subclasses, IgG1,2,3,4
Clinical Use
Order TestUse
Study patients with recurrent bacterial infections or allergy
Special Instructions
Not provided.
Limitations
The procedure is not suitable for measuring samples containing rheumatoid factor, paraproteins, other circulating immune complexes, or lipemic or hemolyzed samples due to unpredictable nonspecific light scatter. The results of measuring IgG subclasses should not be used to assess atopy in allergic patients.
Test Details
Methodology
Immunoassay (Multiplex Protein Panel)
Biomarkers
5 targets
IgG1IgG2IgG3IgG4Immunoglobulin G (IgG)
LOINC Codes
Order Codes
- 47289-4 - IgG+IgG subclass Pnl Ser-mCnc
Result 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 Requirements
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 |
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