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Doctor insights on:
Low Free T4 Normal Tsh
1
T4 is elevated. 14.4 but Free T4 and Free T3 normal, TSH normal, antithroglobulin AB is 14, normal range 0-115?
See below: All laboratory results need to be interpreted in the clinical context and the doctor who ordered the tests is usually in the best position to do that. Having said that, if free T4 and T3 and TSH are normal, there is no cause for concern. T4 may be elevated in women on birth control pills. For good health - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Drink enough water daily, so that your urine is mostly colorless. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form. Practice safe sex, if you have sex. ...Read more
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
2
Too low LH and FSH, normal prolactin, PTH and estradiol, normal but in the low range TSH, T3 (liothyronine), (liothyronine) T3 (liothyronine) free, T4 and T4 free. Why?
Labs: Thyroid disease? Follow up with your doctor for a full evaluation of actually lab numbers ...Read more
3
Low T3 (liothyronine) uptake (21%), Normal TSH (3.190), normal T4 (9.4), normal free thyroxine index (2.0). Also low BUN/creatine ratio (7). Is this normal?
YES: T-3 Uptake not a reliable test....the rest of your thyroid tests are normal and your kidney function is as well! ...Read more
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4
Tsh 0.01, T3 (liothyronine) free 4.3, t4. Free 1.8 ? Tsh low T3 (liothyronine) very slightly elevated T4 high normal? Pcp says nothing is wrong?
It's near average: although all the numbers are running in the right direction for an activated thyroid (autonomous nodule secreting thyroid hormone is my guess). In any case, follow up repeats are a good idea for tests that show an abnormality but not a definite nor significant nor consistent one. ...Read more
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5
Tsh 0.01, T3 (liothyronine) free 4.3, t4. Free 1.8 ? Tsh low T3 (liothyronine) very slightly elevated T4 high normal, what is this? Tsh usually normal? Could stress do that?
Doubtful: This sounds like Grave's disease ( hyperthyroidism) or the very earliest phases of Hashimoto's thyroiditis-please consult an endocrinologist ASAP> ...Read more
6
Low free t3, (liothyronine) normal TSH and high tpo antibodies. What's this mean?
Probable hypothyroid: The free t4, not free T3 (liothyronine) test, is necessary here. Positive antibodies indicate hashimoto's thyroiditis, the most common cause of hypothyroidism. It may just be early in the process to cause the TSH to be elevated. ...Read more
7
What is significance of low free T3 (liothyronine) and free T4 & normal tsh?
Hypothyroidism: Some scientific studies show that the optimal range for TSH is 0.8-2.1 in fact a TSH >2.5 is associated with Insulin resistance, as the TSH increases (above 2.5) the LDL goes up and the HDL goes down. There are countless patients walking around with undiagnosed hypothyroidism because the normal range of TSH is way too broad. ...Read more
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8
Tsh 0.01, T3 (liothyronine) free 4.3, t4. Free 1.8 ? Tsh low T3 (liothyronine) very slightly elevated T4 high normal? Pcp doesn't think much, repeat in 6 weeks?
Thyroid levels: I think I already answered your question about cause. The elevation in FT4 and FT3 is subtle, depending on the lab just barely at or above the normal range. However the low TSH makes me think it is real. Are you having symptoms (palpitations, heat intolerance, tremor, nervous)? Repeating the labs is a good idea, but I would prob not wait 6 weeks. You may need an Endocrinologist. ...Read more
9
Blood test TSH 3.40--considered "high" per lab . Has reference range changed lately? Free T4 .9 (normal range)
have thyroid nodule, prolactinoma
That TSH: While technically normal is considered by many to be slightly high relative to your age. Discuss it with your rotor. Hypothyroidism can increase prolactin somewhat. If you're taking cabergoline, it needs to be taken twice a week to be effective. ...Read more
10
Tsh 0.01, T3 (liothyronine) free 4.3, t4. Free 1.8 ? Tsh low T3 (liothyronine) very slightly elevated T4 high normal, what is this? Is it hyperthyroidism? Pcp saying it's ok?
Your tsh: is low and needs to be repeated, along with a freet4. The rest of the thyroid tests are unnecessary. It could be thyroiditis or hyperthyroidism, but until rechecked, it's not OK. ...Read more
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11
Normal TSH and free T3 (liothyronine) but elevated free t4; is that still hyperthyroid?
Can still be normal.: Hyperthyroidism is considered when the TSH is low and the T4 is high. Otherwise the thyroid function may still be considered normal. There are many causes of high thyroiod hormone like thyroiditis, surreptitious use of thyroid hormone, amiodarone use, and postpartum thyroiditis which occurs in 7% of patients after pregnancy where patients are hyperthyroid, then return to normal levels without rx. ...Read more
12
Blood work results TSH rfx on abnormal to free T4 TSH 8.110 high uiu/ml 0.450 - 4.500 ?
Go see your doctor: So you got your results. Whoever ordered the test(s) should have interpreted your results for you and offered you a diagnosis eg hypothyroidism & treatment plan, eg start or increase levothyroxine, then plan to recheck labs in 6wks. Communication w/your family doc is imperative. ...Read more
13
Tsh 0.01, T3 (liothyronine) free 4.3, t4. Free 1.8 ? Tsh low T3 (liothyronine) very slightly elevated T4 high normal? Doctor says could be an error repeat in 5 weeks? Confused?
Thyroid: Your labs are confusing because they show a low TSH which is common in hyperthyroidism in conduction with low to normal thyroid hormones. He wants to recheck it to see if he caught it at a transition point or it was a lab error. Hopefully when it is rechecked he will have a better idea of what is going on with your thyroid in conduction with your clinical picture. ...Read more
14
High Total T, high SHBG, low Free T, very high FSH (22.8), normal LH, normal prolactin, low estradiol, normal TSH, normal metabolic and CBC. Ideas?
Hormone tests: By themselves, without context, these labs don't say much of anything. They are confusing, and beg the question of why they are being done. Best to see an Endocrinologist. ...Read more
15
Low T3 (liothyronine) uptake (21%), Normal TSH (3.190), normal T4 (9.4), normal free thyroxine index (2.0). Also low BUN/creatine ratio (7). Is low T3 (liothyronine) and BUN scores related? Should I be concerned?
No: t3 (liothyronine) resin uptake is not very good compared to TSH. You are ok. ...Read more
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16
High tsh- 5.5. Normal free T3 (liothyronine) & t4. Also normal total t3& t4. What causes this? Pituitary gland issue not thyroid?
May be normal: All lab results need to be interpreted in the clinical context and the doctor who ordered the tests is usually in the best position to do that. Your TSH is at the upper end of normal and may be normal for you. You may discuss the issue of repeating the test in a year or so. ...Read more
17
24 weeks pregnant and thyroid levels: TSH 1.36, T4 total 13.6, T3 (liothyronine) uptake below 15,
Free T4 index below 2. Are these levels normal or hypothyroid?
Specific case: Lab results must be reviewed in the proper clinical context by a doctor who has all of the information. This is a highly specific question unique to you. This will need to be answered in a one on one setting either with your doctor or a in virtual setting on Healthtap. You can chose one of the Healthtap Endocrinologist and go over your unique situation. ...Read more
18
Thyroid blood test: normal tsh, and normal t 4, slightly lower free t3 (liothyronine). What is a normal TSH level?
0.4-4.5: In most labs, the normal TSH ranges between 0.4 and 4.5. Most people have TSH levels under 2.5. One can still be normal with higher TSH levels, but if you have hypothyroid symptoms, a mildly high TSH could be a sign of developing hypothyroidism. Free T3 (liothyronine) levels are not accurate in many labs, so a slightly low level may be meaningless. You should see an endocrinologist if you have symptoms. ...Read more
19
What does a normal TSH but low free T4 level mean? Can you have an underactive thyroid with a low T4 alone? Tsh 2.45 T4 7
Thyroid function: When TSH is normal and T4 is low this is called subclinical hypothyroidism. It is not treated unless if you have symptoms. Also if TSH > 10 some would start treatment. Hope that helps answer your question. ...Read more
20
I'm on 2.25 g of armour. Tsh is almost 0 and free T4 is low. Free T3 (liothyronine) is low normal.)?
Don't use Armour!: Few doctors treat an underactive thyroid with Armour Thyroid since l-thyroxine (t4) is much more precise in terms of dosing. While armour contains both T4 and t3 (liothyronine), (liothyronine) your body can convert T4 into t3 (liothyronine). You didn't say what your TSH level actually is. If it is above 0.5 you are fine but if it is below 0.5 and especially if below 0.1 you are on too much. Would see a doc who will prescribe T4 for you. ...Read more
Free T4 (Definition)
T4 is the main hormone produced by the thyroid gland total T4 is amount in blood stream attached to albumin, as well as 'free' in blood stream. Free T4 is just the amount free in serum, ...Read more
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