A comprehensive thyroid assessment measuring TSH, Free T3, Free T4, Reverse T3, Thyroid Peroxidase Antibodies (TPO), and Thyroglobulin Antibodies (TgAb). Goes beyond standard thyroid screening to identify subclinical dysfunction, autoimmune thyroiditis, and conversion issues. Essential for practitioners managing Hashimoto's, hypothyroidism, and thyroid optimization protocols. CLIA-certified with results in 2-3 business days.