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Doctor insights on: What Does It Mean If Tsh Is High

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My free T4 is high 19.30 pmol/l and my TSH is also high 4.530 mlu/l. What does this mean?

My free T4 is high 19.30 pmol/l and my TSH is also high 4.530 mlu/l.  What does this mean?

Few possibilities: These labs seem at odds, with TSH suggesting overactive thyroid and ft4 underactive thyroid. Free T4 tests can be inaccurate in some people who have interfering substances present. Another possibility is a tumor in the pituitary secreting too much TSH resulting in thyroid overactivity, and high thyroid hormone levels. This is quite rare, however. Your doctor can help sort this out. ...Read more

Dr. Quang Nguyen
893 doctors shared insights

Thyroid Stimulating Hormone (Definition)

A TSH test measures the amount of thyroid stimulating hormone (TSH) in your blood. TSH is produced by the pituitary gland and tells the thyroid gland to make and release the hormones thyroxine ...Read more


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What does it mean to have a high tsh reading of 16.8 and a high ft4 of 8.2 What condition does this indicate?

What does it mean to have a high tsh reading of 16.8 and a high ft4 of 8.2   What condition does this indicate?

16.8 and 8.2: This is an uncommon observation but suggests that your TSH is pushing up your T4 and imaging of your TSH site is essential. Once the cause is found appropriate care should be OK. Please let me know what your doctors find. ...Read more

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What does it mean if I have high tsh, t3, (liothyronine) T4 levels?

What does it mean if I have high tsh, t3, (liothyronine) T4 levels?

HiTSH=hypo,hiT4 hype: Thyroid function is measured many ways. The TSH is your body's call for more hormone, so a high TSH suggests underactive thyroid, very low TSH overactive. The t4/t3 levels are measures of circulating hormone, so high T4 or T3 (liothyronine) suggest hyperthyroidism and vice versa. T4 levels can beaffected by hormones and so need to be interpreted carefully. For initial testing, the TSH alone best test. ...Read more

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What does it mean if TSH is 0, but T3 (liothyronine) and/or T4 are elevated?

What does it mean if TSH is 0, but T3 (liothyronine) and/or T4 are elevated?

Hyperthyroid: You have lab work compatible with being hyperthyroid. It means you may be taking too much thyroid medication or you need a diagnostic work up to find out what is wrong. This can include a sonogram, radioactive thyroid scan, evaluation by an endocrinologist, and more detailed lab work. ...Read more

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My TSH 3rd generation test came back at 2.036. The range is 0.340-5.600uiu/m. The test said high sensitive 3rd generation tsh. What does this mean?

My TSH 3rd generation test came back at 2.036. The range is 0.340-5.600uiu/m. The test said high sensitive 3rd generation tsh. What does this mean?

Not a whole lot!: An elevated TSH is the main criteria most docs use to diagnose hypothyroidism. While most docs feel it is not abnormal unless above 5.6 or so, many endocrinologists feel anything above 3 is abnormal, and some even feel a level above 2 could indicate problems- see http://abt.Cm/1562fwq actually, many with a totally normal TSH may still have thyroid problems- see http://bit.Ly/18atkro & comment:. ...Read more

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My TSH is normal and T4 is high? What does that mean?

My TSH is normal and T4 is high?  What does that mean?

How high? Free T4: Total T4 depends on thyroid binding globulins and may be elevated in pregnancy, contraceptive pill intake etc. If TSH is normal and you do not have any symptoms, you can leave it alone. At your next visit with your doctor you may discuss getting free T4 and T3 (liothyronine) done for confirmation of normal status. ...Read more

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High TSH levels but normal T4 levels, i don't understand what this means?

High TSH levels but normal T4 levels, i don't understand what this means?

Early hypothyroidism: If the elevated TSH persists, it generally indicates early hypothyroidism, which can easily be diagnosed and treated by your doctor. ...Read more