Antibodies, Antithyroglobulin, and Antithyroid Peroxidase
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Thyroid antibodies, antithyroid peroxidase antibodies (thyroid peroxidase [TPO] antibodies were previously called thyroid antimicrosomal antibodies).
To assist in diagnosing hypothyroid and hyperthyroid disease.
Serum collected in a red-top tube.
|Antithyroglobulin antibody||Less than 20 international units/mL|
|Newborn–3 d||0–9 international units/mL|
|4–30 d||0–26 international units/mL|
|1–12 mo||0–13 international units/mL|
|13 mo–19 yr||0–20 international units/mL|
|20 yr–older adult||0–34 international units/mL|