Single Tests in Blood Spot Free Triiodothyronine (fT3), Free Thyroxine (fT4), Total Thyroxine (T4), Thyroid-Stimulating Hormone (TSH), Thyroid Peroxidase Antibody (TPOab), Thyroglobulin (Tgbn) BY Hester DATE: June 7, 2021 $45.00 Single Tests in Blood Spot Free Triiodothyronine (fT3), Free Thyroxine (fT4), Total Thyroxine (T4), Thyroid-Stimulating Hormone (TSH), Thyroid Peroxidase Antibody (TPOab), Thyroglobulin (Tgbn) quantity Add to cart SKU: ZRT_B_SingleBloodSpot3 Category: Uncategorized Related products Quest Diagnostics $90.00 Add to cart GPL Complete 2 $80.00 Add to cart Skin Vitality Test $209.00 Add to cart test 3 $80.00 Add to cart