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Alias Names: Thyroid Autoantibody
Methodology: Chemiluminescent Immunoassay (CLIA)
Edit Date: 6/11/2010
Performed: Daily
Released: Same day as tested
CPT Code: 86800
Specimen Collection Details
Collection: One 7.5 mL serum separator tube (SST). Also acceptable: One 5 mL red top tube.
Handling: Allow to clot, centrifuge and separate serum from cells. Refrigerate.
Stability: 2 hours ambient, 7 days refrigerated, or 6 months frozen. Allow no more than one freeze/thaw cycle.
Standard Volume: 1 mL serum.
Minimum Volume: 0.5 mL serum.
Transport: Refrigerated; if frozen, on dry ice.
Rejection Criteria: Gross hemolysis or lipemia; specimen frozen/thawed more than once.

0-40 IU/mL

Interpretive Note: Elevated values of thyroglobulin antibodies are seen in Hashimoto’s disease, primary hypothyroidism and Grave’s disease. While not diagnostic, the detection of thyroglobulin antibodies can aid in predicting progression of clinical thyroiditis, in further substantiating thyroid disease in patients with non-thyroidal illness and in predicting postpartum thyroiditis.

PeaceHealth Laboratories