Anti-thyroid peroxidase antibody (ATPO)

Anti-thyroid peroxidase antibodies or anti-thyroid microsomal antibodies may damage thyroid cells. Anti-thyroid peroxidase antibodies are commonly measured by RIA and ELISA.

Basic Information

Specialist classification: growth and development check classification: immunological examination

Applicable gender: whether men and women apply fasting: not fasting

Analysis results:

Below normal:

Normal value:

Above normal:


Positive is mainly seen in chronic lymphocytic thyroiditis, hyperthyroidism, and primary hypothyroidism.

Tips: Try to eat less and eat as much as possible, and arrange your diet reasonably. Normal value

Qualitative negative, recorded as (-).

Clinical significance

Positive mainly in chronic lymphocytic thyroiditis, hyperthyroidism, primary hypothyroidism, with auxiliary diagnosis, efficacy evaluation value.

Special Note:

Some patients are negative for anti-thyroglobulin, but anti-thyroid peroxidase antibody is positive, so simultaneous detection of both antibodies can increase the positive detection rate of anti-thyroid autoantibodies, and can be used as a diagnosis and differential diagnosis of autoimmune thyroiditis. An important basis.


Each laboratory shall establish reference values ​​for the region based on its experimental conditions and methods.

Inspection process

The same indirect blood coagulation method.

Not suitable for the crowd

There are no taboos.

Adverse reactions and risks

There are no related complications and hazards.