α1-Acid Glycoprotein
Also known as: AAG, Alpha-1-Acid Glycoprotein
Use
Monitor acute-phase proteins associated with inflammatory conditions such as RA and malignant neoplasms.
Special Instructions
The test requires the separation of serum or plasma from red blood cells before collection. It uses red-top, gel-barrier, or green-top (heparin) tubes for specimen collection.
Limitations
α1-acid glycoprotein levels can be influenced by numerous factors including age, sex, and the presence of various medical conditions. Diminished or increased levels should be interpreted in the context of clinical findings and other laboratory tests. Extreme sample characteristics such as gross lipemia may require ultracentrifugation, and heat-inactivated samples are subject to rejection.
Methodology
Immunoassay
Biomarkers
LOINC Codes
- 2685-6
- 2685-6
Result Turnaround Time
4-5 days
Related Documents
For more information, please review the documents below
Specimen
Serum
Volume
1 mL
Minimum Volume
0.4 mL
Container
Red-top tube, gel-barrier tube, or green-top (heparin) tube
Collection Instructions
Separate serum or plasma from red blood cells.
Storage Instructions
Room temperature
Causes for Rejection
Gross lipemia that cannot be cleared by ultracentrifugation; heat-inactivated samples
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 14 days |
| Refrigerated | 5 months |
| Frozen | 1 year |