Thiopurine Methyltransferase, RBC Thyroid Peroxidase (TPO) Antibody Thiothixene, Serum or Plasma Thyroid Stimulating Hormone Thrombin Time with Reflex to Thrombin Time 1:1 Mix Thyroid Stimulating Hormone 3rd Generation Thrombomodulin by Immunohistochemistry Thyroid Stimulating Hormone Receptor Antibody (TRAb) Thrombopoietin (TPO), Serum Thyroid Stimulating Hormone with reflex to Free Thyroxine Thrombotic Risk (Acquired) Reflexive Panel Thyroid Stimulating Immunoglobulin Thrombotic Risk, DNA Panel Thyroid Transcription Factor (TTF-1) by Immunohistochemistry Thrombotic Risk, Inherited Etiologies (Most Common) with Reflex to Factor V Leiden Thyroid Translocation and Mutation Panel Thrombotic Risk, Inherited Etiologies (Uncommon) Thyroxine Thyroglobulin Antibody Thyroxine Antibody