Tg-Ab
Test:
311
CPT:
86800
Synonyms
1-Antithyroglobulin Antibody
Special Instructions
This test may exhibit interference when sample is collected from a person who is consuming a supplement with a high dose of biotin (also termed as vitamin B7 or B8, vitamin H, or coenzyme R). It is recommended to ask all patients who may be indicated for this test about biotin supplementation. Patients should be cautioned to stop biotin consumption at least 72 hours prior to the collection of a sample.
Expected Turnaround Time
1 – 3 days
Specimen Requirements
Specimen
1 – 3 days
Volume
1 mL
Minimum Volume
0.3 mL (Note: This volume does not allow for repeat testing.)
Container
Red-top tube or gel-barrier tube
Collection
Separate serum from cells, and transfer specimen to a plastic transport tube.
Storage Instructions
Room temperature
Causes for Rejection
Gross hemolysis; gross lipemia
Test Details
Use
Detect and confirm autoimmune thyroiditis, Hashimoto thyroiditis