# Thyroid peroxidase (TPO) antibody test for autoimmune disorders Measure thyroid peroxidase antibodies in the blood to help identify thyroid autoimmune disorders with a TPO test. Results in 1-2 days. - **Page:** https://allbodytests.com/test/labcorp-thyroid-peroxidase-tpo-antibody-test-for-autoimmune-disorders