Three Thyroid Function Tests
Laboratory Tests
≈ ¥20-50
(≈ $3-7)
15 min
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Description
Estimated cost for Three Thyroid Function Tests at general public hospitals in China is about ¥15-40, and at Grade 3A hospitals about ¥20-50, varying by hospital tier and region.
Main Uses
Diagnosis and monitoring of thyroid disorders, including hypothyroidism and hyperthyroidism, Assessment of pituitary function, Monitoring response to thyroid hormone replacement therapy, Screening for thyroid dysfunction in high-risk populations
Normal Range
TSH (Thyroid Stimulating Hormone): 0.4-4.0 mIU/L, FT4 (Free Thyroxine): 0.8-1.8 ng/dL, FT3 (Free Triiodothyronine): 2.3-4.2 pg/mL
Low Values - Possible Causes
Hypothyroidism, Iodine deficiency, Autoimmune thyroiditis, Postpartum thyroiditis, Medications (e.g., lithium, amiodarone)
High Values - Possible Causes
Hyperthyroidism, Graves' disease, Toxic multinodular goiter, Thyroiditis, Excessive iodine intake