All your results, in one place.
Add a report from your GP, the NHS App or a clinic, and see your results, medicine and how you feel over time. We explain each level in plain words, read against the lab’s own range. Members watch these films in the app, beside their own results.
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The film in words
Thyroglobulin (Tg) is made by thyroid cells. It helps the body make, store and release thyroid hormone.
After surgery and radioactive iodine for thyroid cancer, Tg shouldn’t be found in the blood, so it’s measured to keep watch.
Tg antibodies are found in about 1 in 10 people. Where they’re present, the Tg result is less reliable, so other ways of monitoring are used too.
When TSH is raised, Tg antibodies don’t usually add anything to TPO antibodies.
After thyroid cancer, your specialist team reads these results with you.
Sources: British Thyroid Foundation: thyroid antibodies; British Thyroid Foundation: thyroid function tests
More films
How your thyroid worksThe gland, its two hormones, and the signal from the brain that runs it.1 min 15
What your blood test showsWhat a usual test looks at, TSH and free T4 side by side, and lab ranges.1 min 31
Hashimoto’s: why the thyroid slows downThe immune system, TPO antibodies, and why the test isn’t repeated.1 min 04
Levothyroxine, and how to take itWhat it does, taking it so it’s absorbed, missed doses, and why changes take time.1 min 41
Still not feeling right?When results are in range but symptoms aren’t, and what to ask your GP.1 min 16
Basic and full thyroid testsWhat TSH, free T4, free T3 and the two antibodies each add.1 min 33
Lab ranges and your reportThe units on a report, typical ranges as a guide, age, and antibody cut-offs.1 min 17
TPO antibodies, in detailWhat a positive result can mean, with or without a thyroid problem, and why it stays.1 min 11
Iron, B12 and vitamin DOther results you may have, why they come up with the thyroid, and coeliac disease.1 min 25
Pregnancy and your thyroidPlanning a pregnancy, the dose and tests in pregnancy, and after the birth.1 min 33
General information, not a diagnosis. Your GP can tell you what your results mean for you.