Thyrotropin Receptor Antibody, Serum


Sunquest Code:THYRA  
Epic Code:LAB6589Epic Name:Thyrotropin Receptor Antibody
Synonyms:TSH Receptor Antibodies
Methodology:Electrochemiluminescence immunoassay
CPT Code:83520
Turnaround Time:Specimens are sent to reference laboratory Mon-Fri; results are reported within 1-3 days.
Compliance:

This test has been cleared or approved by the U.S. Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.



Collection Instructions

Specimen:Blood
Optimal Volume:2 mL
Minimum\Peds Volume:1.2 mL
Container:Red or gold (gel) (Red (no gel))
Causes for Rejection:Gross hemolysis.
Contraindications:In patients receiving therapy with high biotin doses (i.e., >5 mg/day), no specimen should be drawn until at least 8 hours after the last biotin administration. Do not use specimens from patients receiving heparin treatment.


Processing and Shipping

Specimen Processing:Centrifuge and aliquot 1 mL, 0.5 mL minimum. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Test Performed at or Referral Lab Lab Sendouts  (Mayo Medical Laboratories)
Referral Lab number:THYRO


Interpretive

Reference Range:Less than or equal to 1.75 IU/L
Use:Detection of thyrotropin receptor (TSHR) antibodies.


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