Test ID: Z0697
CPT code: 83520
LOINC: 5385-0
Specimen Type: SST (preferred) or Red
Frequency: 1 – 3 days
Instructions: 1 mL Serum from SST (preferred) or Red, Frozen. Min 0.7.
Text: Diagnosis of hyperthyroidism and Graves’ disease. Thyrotropin-receptor antibody is an autoantibody to the thyroid cell receptor for thyroid-stimulating hormone. It can be demonstrated in 90% of patients with Graves’ disease, and is the cause of the hyperthyroidism of that condition.
Methodology: Electrochemiluminescence Immunoassay (ECLIA)