A B C D E F G H I J K L M N O P Q R S T U V W X Y Z #

Thyroglobulin Antibodies

Test Code
THROG


Alias/See Also

LAB533



CPT Codes
<p>86800</p>

Preferred Specimen

Specimen Type: Serum


Collection Container/Type


Preferred: Serum gel


Acceptable: Red top


Submission Container/Tube: Plastic vial


Specimen Volume: 1 mL


Collection Instructions: 



  1. If Thyroglobulin is ordered, please submit a separate vial.

  2. Dietary supplements containing biotin may interfere in assays and may skew results to be either falsely high or falsely low. For patients receiving the recommended daily doses of biotin, draw samples at least 8 hours following the last biotin supplementation. For patients on mega-doses of biotin supplements, draw samples at least 72 hours following the last biotin supplementation.



Patient Preparation
Dietary supplements containing biotin may interfere in assays and may skew results to be either falsely high or falsely low. For patients receiving the recommended daily doses of biotin, draw samples at least 8 hours following the last biotin supplementation. For patients on mega-doses of biotin supplements, draw samples at least 72 hours following the last biotin supplementation.

Minimum Volume

0.5 mL



Instructions
If Thyroglobulin is ordered, please submit a separate vial.

⁠⁠⁠⁠⁠⁠⁠Administration of STRENSIQ may interfere in certain assays and may falsely elevate values. For patients receiving STRENSIQ, consideration should be given to using alternate methods.


Transport Temperature
Room temperature


Specimen Stability

Room temperature: 7 days


Refrigerated: 7 days


Frozen: 28 days



Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Gross hemolysis • Grossly lipemic



Methodology

Immunoassay (IA)



Setup Schedule
Set up: Tues-Sat; Report available: 1-2 days


Report Available

1 day



Limitations

Heterophil antibodies may produce falsely-elevated results.



Reference Range
≤1 IU/mL


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


Performing Laboratory
Quest Diagnostics Nichols Institute 14225 Newbrook Drive Chantilly, VA 20153


Last Updated: February 17, 2023


The CPT Codes provided in this document 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 payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.