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Test Name:
Thyroid Stimulating Hormone Receptor Antibody
- SBMF No:
44913 - Performance Lab Name:
ARUP Laboratories - Test Mnemonic:
TR AB - ABN:
Not required - CPT Code:
83520 - LOINC Code:
5385-0 - Ref Lab Test No:
2002734 - Also Known As:
Anti-thyrotropin
Anti-TSHR
TBII
Thyrotropin Binding Inhibitory Immunoglobulin
Thyrotropin Receptor Antibody
TRAb
TSH Receptor Antibody - Spec Type:
Serum - Spec Container:
Gold top (SST) or red top (serum) tube - Pref Vol:
1.0 mL - Min Vol:
0.3 mL - Fasting:
No - Spec Collect:
Routine venipuncture - Spec Process:
Clot 30 minutes
Promptly centrifuge 15 minutes
Immediately transfer serum to separate plastic tube and freeze - Spec Store Transport:
Frozen - Spec Stability:
24 hours room temperature (20-30°C)
3 days refrigerated (2-8°C)
1 month frozen (-20°C) – Do not use frost-free units that undergo repeated freeze/thaw cycles - Spec Reject:
Plasma sample
Grossly hemolyzed or lipemic sample - Spec Remarks:
Separate samples must be submitted when multiple tests are ordered - Methodology:
Electrochemiluminescent Immunoassay (ECLIA) - Clinical Significance:
Refer to:
- Reference Range:
- Thyroid Stimulating Hormone Receptor Antibody (TRAb)
- Less than or equal to 1.75 IU/L
- Interpretive Data:
- Positive results are consistent with autoimmune thyroid disease.
- Day Run:
Sun-Sat (daily) - Time Reported:
2-3 days - Test Type:
IMMUNOLOGY
