‌Your thyroid is a small butterfly-shaped organ in the front of your neck. It has a lot of important roles, including making hormones that control your metabolism and help your body grow and develop.

A thyroglobulin antibody (TgAb) test looks for certain antibodies that attack the thyroid. The presence of TbAb in high levels may indicate that someone has an autoimmune condition. To conduct a TgAb ...

Doctors may order a cyclic citrullinated peptide (CCP) antibody test and other exams to confirm or rule out a rheumatoid arthritis (RA) diagnosis. A positive CCP antibody test doesn’t necessarily mean ...

At the start of the pandemic, antibody tests were a valuable way for people to determine whether they once had an asymptomatic case of COVID-19, as well as the strength of their current immunity. All ...

Once a person has a herpes infection, they develop antibodies. Herpes antibody tests can allow doctors to see if an individual has antibodies in their system. Herpes is a viral infection caused by the ...