Test Center

My Recent Searches

  • No Recent Search.

My Tests Viewed

  • No Test Viewed.
  • Ordering Info

To view specimen requirements and codes please select your laboratory:

Not sure which laboratory serves your office? Call us 1-866-MYQUEST (1-866-697-8378)


Test Code


CPT Code(s)




Preferred Specimen(s)

2 mL serum from a centrifuged gel barrier tube

Minimum Volume

1 mL

Specimen Stability

Room temperature: 4 days
Refrigerated (cold packs): 14 days
Freeze: 60 days


Immunoassay (IA)

Performing Laboratory

Quest Diagnostics HORSHAM

Reference Range(s)

Thyroid Peroxidase Ab <9 IU/mL
Thyroglobulin Ab ≤1 IU/mL

Clinical Significance

Measurement of thyroglobulin antibodies and thyroid peroxidase antibodies is useful in the diagnosis and management of a variety of thyroid disorders including autoimmune thyroiditis, Hashimoto's Disease, Graves Disease and certain types of goiter.

LOINC®' Code(s)

The Result and LOINC information listed below should not be used for electronic interface maintenance with Quest Diagnostics. Please contact the Quest Diagnostics Connectivity Help Desk for more information at 800-697-9302.

NOTE: The codes listed in the table below are not orderable Test Codes.

Result NameLOINC CodeComponent Name
15010Thyroglobulin Antibodies8098-6Thyroglobulin Ab
15012Thyroid Peroxidase Antibodies8099-4Thyroperoxidase Ab

Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.

The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

LOINC assignment is based on a combination of test attributes, including the method used by the performing laboratory. For tests not performed by Quest Diagnostics, codes are assigned by the performing laboratory.

* The tests listed by specialist are a select group of tests offered. For a complete list of Quest Diagnostics tests, please refer to our Directory of Services.