Thyroid antibody testing

[Mag999]

My gp has agreed to do thyroid peroxidase along with usual nhs thyroid tests. I notice there is another antibody, would that need testing too or would TPO results be enough. I thought of getting a private test done alongside for comparison which had both thyroid antibodies, is that overkill? Thanks

[SeasideSusie Remembering]

Mag999

The other is Thyroglobulin (Tg) antibodies. You can have low TPO but high Tg antibodies which could suggest Hashimoto's. The NHS don't tend to test Tg antibodies in primary care, this tends to be done in secondary care.

You could wait and see what your GP test results are like, if TPO come back negative and you really want Tg done then you could do a private test where both are tested at the same time.

[SlowDragon Administrator]

Make sure any thyroid test is done as early as possible in morning before eating or drinking anything other than water

Are you currently taking any vitamin supplements other than B12 injections?

[Mag999 in reply to SlowDragon]

No I ve stopped everything for 2 weeks before test, appointments are hens teeth rare so has to be at 12 noon, if I have a lie in will that fool my body?!

[SlowDragon Administrator in reply to Mag999]

Probably not .....see what it shows

[jrbarnes]

My TPO came back negative and I tested the TG antibodies on my own, which came back positive. Knowing that didn't change anything in regards to my current or future treatment and I've always made an effort to lay off the gluten and sugars.

[Mag999 in reply to jrbarnes]

Thanks that’s helpful to know, I think I will go with the gp test and do a separate private one with blood taken as Slow Dragon mentions, early in the day. My problem is my tsh has measured high end normal, middle of normal seeming to fluctuate for years but never treatable despite symptoms.