Immunoglobulin A, Subclass 1
Also known as: IgA Subclass 1, IgA1
Use
Study IgA deficiencies in patients in association with recurrent sinopulmonary infections or repeated transfusions; study IgA elevations associated with IgA myeloma
Special Instructions
Ensure proper handling of the specimen, transferring from the collection tube to a plastic transport tube. Stability is 14 days across room temperature, refrigerated, and frozen states with up to three freeze/thaw cycles.
Limitations
The test might be affected by gross lipemia and hemolysis, which are causes for rejection. Additionally, the test may require confirmatory or reflex tests that could extend the turnaround time.
Methodology
Immunoassay
Biomarkers
LOINC Codes
- 6886-6
- 6886-6
Result Turnaround Time
3-5 days
Related Documents
For more information, please review the documents below
Specimen
Serum
Volume
1 mL
Minimum Volume
0.5 mL
Container
Red-top tube or gel-barrier tube
Collection Instructions
Transfer specimen to a plastic transport tube.
Storage Instructions
Maintain specimen at room temperature.
Causes for Rejection
Gross lipemia; hemolysis
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 14 days |
| Refrigerated | 14 days |
| Frozen | 14 days |