Not recommended in the initial evaluation of autoimmune thyroid disease. Most often used to evaluate potentially unreliable thyroglobulin measurements in thyroid carcinomas.
Methodology:
Quantitative Chemiluminescent Immunoassay
Performed:
Sun-Sat
Reported:
Within 24 hours
Specimen Required:
Collect: Serum separator tube.
Specimen Preparation: Transfer 0.5 mL serum to an ARUP Standard Transport Tube. (Min: 0.3 mL) Also acceptable: Heparinized plasma.
Storage/Transport Temperature: Refrigerated.
Unacceptable Conditions: EDTA plasma. Grossly hemolyzed or lipemic specimens.
Stability (collection to initiation of testing): After separation from cells: Ambient 48 hours; Refrigerated: 1 week; Frozen: 6 months
Reference Interval:
Effective May 7, 2012
0.0-4.0 IU/mL
Interpretive Data:
A value of 4.0 IU/mL or less indicates a negative result for thyroglobulin antibodies.
The Thyroglobulin Antibody assay is being performed using the Beckman Coulter Access Dxl method.
