Free T4, by Dialysis / Mass Spec $70.00 Free T4, by Dialysis / Mass Spec quantity Add to cart SKU: 501902 Categories: Routine Labs, Single Labs Related products PANEL: Hashimoto’s (Basic III) $215.00 Add to cart PANEL: Hypothyroid (Basic) $60.00 Add to cart PANEL: Hashimoto’s (Basic II) $165.00 Add to cart