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 test 1 $20.00 Add to cart Hormone Trio Saliva $99.00 Add to cart 48 Inhalant Panel: IgA $80.00 Add to cart Metabolism Panel $99.00 Add to cart