Autoimmune Tests

9 tests in this category. Tap any card for reference ranges, what high and low values mean, and frequently asked questions.

Anti-TPO Antibody

Antibody against thyroid peroxidase — key marker of autoimmune thyroiditis.

Screening test for autoimmune connective tissue disease, especially lupus.

Highly specific antibody for systemic lupus erythematosus (SLE).

Antibody used in rheumatoid arthritis workup — sensitive but not specific.

Highly specific rheumatoid arthritis antibody — often positive before symptoms.

Detects antibodies already stuck to red blood cells.

Detects free antibodies in serum that could react with donor red cells.

Panel of the three main antibody classes — screens immune deficiency and gammopathies.

First-line serological test for celiac disease.