The cost of the A-Function 8 test is usually between 400-600 RMB, and the pricing may vary from one testing organization to another, so it is recommended to consult your doctor. The cost of thyroid function 8 test is related to the level of the region where the test location is located, the level of local economic development, the grade of the hospital, etc. There is no uniform pricing standard, and the cost mostly fluctuates between 400-600 RMB, so you can consult with your local healthcare organization. The eight items of thyroid function include thyroid stimulating hormone (TSH), triiodothyronine (T3), thyroxine (T4), free triiodothyronine (FT3), free thyroxine (FT4), thyroglobulin antibody (TGAb), antithyroid peroxidase antibody (TROAb), and thyroid stimulating hormone receptor antibody (TRAb). The eight thyroid function tests are mainly used to evaluate thyroid function and identify thyroid disorders such as Hashimoto’s thyroiditis, diffuse toxic goiter and hypothyroidism. Patients found to have abnormal thyroid function results are advised to take active treatment under the guidance of a doctor.