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HelpThyrotropin Receptor Antibody, Serum
Additional Codes
LAB3947
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Specimen Type
SerumSpecimen Required
Patient Preparation:
1. For 12 hours before specimen collection. patient should not take multivitamins or dietary supplements (eg, hair, skin, and nail supplements) containing biotin (vitamin B7).
2. Patient should not be receiving heparin treatment.
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube:
Preferred: 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 |
|---|---|---|
| Serum | Refrigerated (preferred) | 7 days |
| Frozen | 90 days |
Reference Values
≤1.75 IU/L
Day(s) Performed
Monday through Saturday
CPT Code Information
83520
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| THYRO | Thyrotropin Receptor Ab, S | 5385-0 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| THYRO | Thyrotropin Receptor Ab, S | 5385-0 |
Report Available
1 to 3 daysSpecimen Retention Time
2 weeksForms
If not ordering electronically, complete, print, and send a General Request (T239) with the specimen.