Lab Test

Thyroid Autoantibody Panel

Includes: Thyroid Peroxidase Autoantibody (Anti-Microsomal Antibody, Anti-TPO, Anti-Thyroid Peroxidase, Thyroid Peroxidase Antibody, TPO) and Anti Thyroglobulin Antibody (Anti-Thyroglobulin, ATG, Anti-Tg, Thyroglobulin Antibody).

Test Codes

EPIC: LAB5823, SOFT: THYPN

Department

Special Chemistry

Specimen Collection Criteria

Collect: One Gold-top SST tube. (Minimum Whole Blood: 2.0 mL)

Physician Office/Draw Specimen Preparation

Let specimen clot 30-60 minutes then immediately centrifuge to separate serum from cells. Refrigerate (2-8°C or 36-46°F) the centrifuge collection tube within two hours of collection. (Minimum Serum: 0.5 mL)

Preparation for Courier Transport

Transport: Centrifuged collection tube, refrigerated (2-8°C or 36-46°F). (Minimum Serum: 0.5 mL)

Rejection Criteria

Plasma specimens. 

Severely lipemic, icteric, or grossly hemolyzed specimens.     

 

In-Lab Processing

Let specimen clot 30-60 minutes then immediately centrifuge to separate serum from cells. Room temperature is acceptable for a maximum of two hours.  (Minimum Serum: 0.5 mL)

Storage

Specimen Stability for Testing:

Centrifuged SST tubes, Red-top tubes, and Microtainers®
Room Temperature (20-26°C or 68-78.8°F): 2 hours
Refrigerated (2-8°C or 36-46°F): 7 days
Frozen (-20°C/-4°F or below): Unacceptable

Serum Specimens (Pour-Overs)
Room Temperature (20-26°C or 68-78.8°F): 2 hours
Refrigerated (2-8°C or 36-46°F): 7 days
Frozen (-20°C/-4°F or below): Indefinitely

Specimen Storage in Department Prior to Disposal:

Refrigerated (2-8°C or 36-46°F): 7 days

Laboratory

Royal Oak Special Testing Laboratory

Performed

Monday – Friday.
Results available in two business days.

Reference Range

See individual tests for reference ranges.
This panel includes: Thyroid Peroxidase Autoantibody and Anti Thyroglobulin Antibody.

Test Methodology

Chemiluminescent Immunoassay.

Interpretation

See individual tests for interpretation.
This panel includes: Thyroid Peroxidase Autoantibody and Anti Thyroglobulin Antibody.

Clinical Utility

The Anti Thyroglobulin Antibody and Thyroid Peroxidase Autoantibody assays are used to aid in the diagnosis of autoimmune thyroid disease.

CPT Codes

86376, 86800, 8098-6

Contacts

Last Updated

1/13/2023

Microtainer® and Vacutainer® are registered trademarks of Becton, Dickinson and Company.
UroVysion® is a registered trademark of Abbott Laboratories. ThinPrep® is a registered trademark of Hologic, Incorporated.