Questions tagged [thyroperoxidase-tpo]

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1answer
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Thyroid Peroxidase (TPO) Ab Test- normal or abmormal

I had a variety of test ran on my thyroid and I'm waiting to see the DR. My question is the TPOAb reference rang is 0-34. Mine came back as 9 IU/ml. Is this still considered normal or abnormal? I also ...
12
votes
1answer
16k views

TPO (Thyroid Peroxidase) Antibodies - reference range change

A couple years ago (end of 2013) the reference range for TPO antibodies (TPOAb) was <35 IU/ml but now it's <9 IU/ml. That's a huge change (almost 4x). Does anyone know why it changed by so ...
4
votes
1answer
6k views

What is normal range of Anti TPO antiodies test?

What is normal range of Anti TPO antiodies test? My relative have undergone this test and got value 207. Her TSH is also 5.8