Individual test · Labcorp 163253

Tetanus/Diphtheria Antibody Profile

This test measures the amount of specific antibodies in your blood that protect against tetanus and diphtheria bacteria. It helps show whether your immune system has built up enough defense, usually from past vaccinations, to prevent these serious illnesses. Doctors use these results to determine if you are susceptible to infection or if you have an immune system problem that prevents you from responding to vaccines properly. However, this test only checks for immunity levels and does not diagnose an active infection.