Last year I had difficulty with my GP. He refused to raise my thyroxine prescription after two blood tests said borderline and old symptoms had returned. I had a private appointment with endocrinologist who wrote to him and my prescription was changed.
I had my annual blood test last week and accessed my results online.
Are they talking about your thyroid peroxidase antibody result being abnormal? You knew you had Hashi's and with Hashi's antibody levels fluctuate so to see a high level like that is no surprise.
TSH and FT4 and both are in range; however, it's helpful to have FT3 tested at the same time to give a full picture but usually not done at primary level (which is why so many of us do private tests). If you are symptomatic then testing TSH, FT4 and FT3 at the same time will tell you if you are converting T4 to T3 well enough.
As you have Hashi's, have you tried a gluten free diet, some members have found this very helpful. Also supplementing with selenium.
Hashi's can cause low nutrient levels/deficiencies, essential to test Vit D, B12, Folate, Ferritin.
Apart from the antibodies, they look fine. But incomplete. You need an FT3 test. Your symptoms might be returning because you don't convert T4 to T3 very well.
The antibodies just mean that you have Hashi's. Did you know that? And they are what is 'abnormal'.
no role in managing or monitoring known thyroid condition.
It's true you can't manage antibodies, but they do have a role to play in that they give us the information that you have Hashi's. And, when you have Hashi's, your levels can fluctuate, and the FT4 can suddenly rise very high for no apparent reason. But, if you know you have Hashi's, then you know that that is the reason. There's nothing you can do about it, but it's necessary to know.
When were vitamin D, folate, ferritin and B12 last tested?
Can you add most recent results and ranges
What vitamin supplements do you currently take
Low vitamin levels are extremely common, especially with Hashimoto's
Recommended on here that all thyroid blood tests should ideally be done as early as possible in morning and fasting. This gives highest TSH, lowest FT4 and most consistent results. (Patient to patient tip, best not mentioned to GP or phlebotomist)
Last Levothyroxine dose should be 24 hours prior to test, (taking delayed dose immediately after blood draw).
Is this how you did this test?
Are you on strictly gluten free diet?
Or tried it
Hashimoto's affects the gut and very often leads to low stomach acid and then low vitamin levels
Low vitamin levels affect Thyroid hormone working
Poor gut function can lead leaky gut (literally holes in gut wall) this can cause food intolerances. Most common by far is gluten. Dairy is second most common.
According to Izabella Wentz the Thyroid Pharmacist approx 5% with Hashimoto's are coeliac, but over 80% find gluten free diet helps, sometimes significantly. Either due to direct gluten intolerance (no test available) or due to leaky gut and gluten causing molecular mimicry (see Amy Myers link)
Changing to a strictly gluten free diet may help reduce symptoms, help gut heal and slowly lower TPO antibodies
if still eating high gluten diet ask GP for coeliac blood test first or buy test online for under £20, just to rule it out first
Assuming test is negative you can immediately go on strictly gluten free diet
(If test is positive you will need to remain on high gluten diet until endoscopy, maximum 6 weeks wait officially)
Trying gluten free diet for 3-6 months. If no noticeable improvement then reintroduce gluten and see if symptoms get worse
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Blood test results 
Blood Test Results
Thyroid Blood test results- explain please
Sorry another query on test results
