Davis's Lab & Diagnostic Tests

Antibodies, Antithyroglobulin, and Antithyroid Peroxidase

Antibodies, Antithyroglobulin, and Antithyroid Peroxidase is a topic covered in the Davis's Lab & Diagnostic Tests.

To view the entire topic, please or purchase a subscription.

Davis’s Laboratory and Diagnostic Tests Online, powered by Unbound Medicine, provides nurses and students access to 400+ test monographs containing reference ranges, indications, patient preparation and result interpretation. Explore these free sample topics:


-- The first section of this topic is shown below --


Thyroid antibodies, antithyroid peroxidase antibodies (thyroid peroxidase [TPO] antibodies were previously called thyroid antimicrosomal antibodies).

Common Use:
To assist in diagnosing hypothyroid and hyperthyroid disease.

Serum collected in a red-top tube.

Normal Findings:
(Method: Immunoassay)

AntibodyConventional Units
Antithyroglobulin antibodyLess than 20 international units/mL
Antiperoxidase antibody
Newborn–3 d0–9 international units/mL
4–30 d0–26 international units/mL
1–12 mo0–13 international units/mL
13 mo–19 yr0–20 international units/mL
20 yr–older adult0–34 international units/mL

-- To view the remaining sections of this topic, please or purchase a subscription --