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HelpTest Code THYRO Thyrotropin Receptor Antibody, Serum
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Specimen Type
SerumSpecimen Required
Patient Preparation:
1. For 12 hours before specimen collection do not take multivitamins or dietary supplements containing biotin (vitamin B7), which is commonly found in hair, skin, and nail supplements and multivitamins.
2. Patient should not be receiving heparin treatment.
Collection Container/Tube:
Preferred:Â Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 1 mL
Collection Instructions: Centrifuge and aliquot serum into a plastic vial.
Specimen Minimum Volume
0.75 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum | Refrigerated (preferred) | 7 days | |
| Frozen | 90 days |
Reference Values
≤1.75 IU/L
Day(s) Performed
Monday through Saturday
CPT Code Information
83520
Report Available
1 to 3 daysReject Due To
| Gross hemolysis | Reject |
| Gross lipemia | OK |
| Gross icterus | Reject |
Method Name
Electrochemiluminescence Immunoassay
Forms
If not ordering electronically, complete, print, and send a General Request (T239) with the specimen.