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Doctor insights on: What Is Tsh W Reflex To Ft4

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Is TSH w/reflex to ft4 4.06 normal?

Is TSH w/reflex to ft4 4.06 normal?

High normal: A TSH of 4.06 is in the upper range of normal. The lab probably did not do the ft4 level, since the TSH was normal. Most people with these results feel perfectly normal. However, it could be a sign that your thyroid is starting to fail. It would be reasonable to repeat the TSH and do a free T4 level in a few months. ...Read more

Dr. Quang Nguyen
938 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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My TSH w/reflex to ft4 results are 15.44. What does this mean?

My TSH w/reflex to ft4 results are 15.44. What does this mean?

HYPOTHRYOID: Your thyroid gland is underactive it is not producing enough thyroxine. The pituitary gland is working overtime to try to get the thyroid gland to produce enough thyroxine which regulates the bodies metabolic rate. You need supplementation of what your gland produces. You also need to be checked for autoimmune thyroiditis, see your doctor. ...Read more

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IF MY TSH W/ REFLEX TO FT4 IS 5.05 WHAT NEEDS TO BE DONE TO LOWER IT?

IF MY TSH W/ REFLEX TO FT4 IS 5.05 WHAT NEEDS TO BE DONE TO LOWER IT?

Hypothyroidism: Normal TSH is typically 0.45-4.5. Best to discuss results w/ordering physician as some labs have different reference ranges. Regardless, if you have signs & symptoms of hypothyroidism (underactive thyroid = http://www. Mayoclinic. Org/diseases-conditions/hypothyroidism/basics/definition/con-20021179), prescription levothyroxine will help relieve symptoms but requires close & regular monitoring. ...Read more

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I had a TSH w/ reflex to ft4 with a result of 1.09 mlU/l what does this mean?

I had a TSH w/ reflex to ft4 with a result of 1.09 mlU/l what does this mean?

Normal: This is a completely normal TSH. The free T4 was not done because the TSH was normal indicating normal thyroid function and the FT4 is not indicated.

There are some rare circumstances when you would do both, and not just the reflex, but in general a normal screening TSH means normal thyroid function. Anything else would specifically being looked for and thyroid testing can rarely be complicated. ...Read more

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My TSH W/REFLEX TO FT4 result is 0.67. I am 52 and female. What does this mean?

My TSH W/REFLEX TO FT4 result is 0.67. I am 52 and female. What does this mean?

Normal: That's a normal value. That's why they didn't have to run the free t4. Reflex means they will run ft4 only if tsh is abnormal. ...Read more

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My TSH W/reflex to FT4 value is 1.73, results say abnormal, is this range bad?

My TSH W/reflex to FT4 value is 1.73, results say abnormal, is this range bad?

Thyroid tests: It is advised that you would benefit from an online consultation to review your labs as well as past medical history and discuss your specific symptoms. A physician can help you understand the labs, correlate with your history and make recommended next steps. ...Read more

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My tsh, w/reflex to FT4 results was 4.53 and a month later was 4.49. Do I neef to be on medication?

My tsh, w/reflex to FT4 results was 4.53 and a month later was 4.49. Do I neef to be on medication?

It is better: If you stay on it for a while. Endocrinologist like tsh between. 3-3 not. 5-5. Discuss with your doctor and see what your doctor will say. ...Read more

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Hi my TSH W/Reflex to FT4 is 4.54. what does this mean? Also my Cortisol is 26.8 what does this mean? Thank you Kindly.

Hi my TSH W/Reflex to FT4 is 4.54. what does this mean? Also my Cortisol is 26.8 what does this mean? Thank you Kindly.

Why testing?: More important is to ask why the blood tests were drawn and what other symptoms may be present. Also, lab values vary depending on the lab. In many labs, the values mentioned are normal. ...Read more

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My TSH w/reflex to FT4 test came back at 6.73, but my free T4 came back at 1.24. I have previous has similar results to these tests.

Mild hypothyroidism: The elevated TSH means that your pituitary gland is not happy with your thyroid level, and would like to see it higher despite the "normal" free T4 level. If you do not have any symptoms of hypothyroidism, we call this "subclinical hypothyroidism". Treatment may not be needed unless you develop symptoms or the TSH goes progressively higher. You should not start treatment based on one abnormal test ...Read more

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Blood test shows TSH w/ reflex to FT4 is 13.62 (high) & Free T4 is 1.1 (normal). How would you describe what these results mean?

Thyroid tests: 26F US had TSH 13.6 and Ft4 1.1. Asks: How could you describe what these results mean? ANS: Need 2 know lot more about U which ur Drs already knows so better to ask them. Such as 1. U on BCP? 2. Why was test done? 3. Hx of thyroid problems n past? 4. Taking thyroid meds? 5. Pregnant? As TSH is high, u did not give normal lab range for FT4 but it seems lowest range of normal. Hypothyroid? ...Read more

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TSH W/REFLEX TO FT4 Is 22.18 What this means for my health No thyroid due to t cancer?

TSH W/REFLEX TO FT4 Is 22.18 What this means for my health No thyroid due to t cancer?

TSH high: If the value you gave is for TSH, it is much higher than normal and indicates deficiency of thyroid hormone. It would be prudent to see your doctor at the earliest, for replacement medication. ...Read more

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My T4 free was 1.0. TSH w/reflex to FT4 was 7.97. I have been on various doses of Synthroid (thyroxine) for years. Now is 112mg. Should it be higher dose?

My T4 free was 1.0. TSH w/reflex to FT4 was 7.97. I have been on various doses of Synthroid (thyroxine) for years. Now is 112mg. Should it be higher dose?

Yes: Ideal level of TSH is 0.3 -3.0 mIU/ML. You might consider to increase Synthroid (thyroxine) (No substation) to 125 mcg/d. Make sure you to take Synthroid (thyroxine) on empty stomach, 30 min. Before breakfast and 4 hours before Calcium, Iron, Vitamins and stool softners. Recheck TSH in 4 weeks. ...Read more

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"T4 Free" is 0.7 & "TSH W/REFLEX TO FT4" is 48.46.LDL cholesterol is 158. Doctor gave pills for hypothyroid & told lowering TSH will adress LDL. True?

"T4 Free" is 0.7 & "TSH W/REFLEX TO FT4" is 48.46.LDL cholesterol is 158. Doctor gave pills for hypothyroid & told lowering TSH will adress LDL. True?

Yes: Hypothyroid is associated with elevated cholesterol. Normalizing thyroid can lower cholesterol. You will have to check it later when your thyroid is normal and see. ...Read more

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I'm on Levothyroxine and Cytomel (liothyronine) for T3 and T4 and my blood work came back TSH w/Reflex to FT4 is 0.01 L and T4, FREE is 0.6 L. What does this mean?

Several things: Hi. Without seeing your thyroid function over time, I'd say the fact that you have a goiter & 2 cm nodule (same thing, or different?) AND taking T4 AND T3 (liothyronine), (liothyronine) you may be over-treated with T3 (liothyronine) so that your TSH is suppressed and that causes low free T4, which is not made up for by the levothyroxine you're taking. I suggest you talk with your doctor, who won't have to guess like we do! Good luck! ...Read more

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I meet all the symptoms for hypothyroidism: sparse eyebrows, fatigue, dry skin, I have ibs, cmp TSH w/reflex to ft4 is 4.44, yet dr said I don't. Do i?

I meet all the symptoms for hypothyroidism: sparse eyebrows, fatigue, dry skin, I have ibs, cmp TSH w/reflex to ft4 is 4.44, yet dr said I don't. Do i?

Hypothyroidism: Hi, you may have subclinical hypothyroidism, and/ or hashimoto's thyroiditis. You may need to have further testing done, thyroid auto-antibodies, anti-per -oxidase antibodies lab tests and perhaps a thyroid sonar. It may be a good idea to see an endocrinologist, literature shows that thyroid hormone replacement may benefit you. Good luck! ...Read more

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Tsh w/reflex to ft4 level is low at. 07 T4, FREE Level is with in range at 1.5 Thyroid peroxidase antibodies level high at 18 I had my thyroid removed 9 months ago due to cancer and am taking levothyroxin 125. With my latest blood results should I be con

Tsh w/reflex to ft4 level is low at. 07 T4, FREE Level is with in range at 1.5 Thyroid peroxidase antibodies level high at 18 I had my thyroid removed 9 months ago due to cancer and am taking levothyroxin 125. With my latest blood results should I be con

Post op thyroid: Surgery for cancer the replacement thyroxine should be dosed sufficient to keep TSH low to avoid stimulating any tumor remnants. Most Endocrinologists advise suppressing tsh for about 5 years. Thyroglobulin levels and antibodies should also be measured. Your TSH level appears adequately suppressed. Thanks for trusting HealthTap! ...Read more

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Tsh, 3rd generation w/reflex to ft4 results are 0.89. I am fatigued, overweight, vitamin deficient, and sleep 10-11 hours/night. Is this result low?

Within normal limits: Your free T4 level is within normal limits. The symptoms you described do not lend to providing a meaningful opinion without more history, physical examination and the lab data. It would be prudent to discuss the matter with your doctor. ...Read more

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TSH with reflex to FT4 is. 10 what does that mean?

TSH with reflex to FT4 is. 10 what does that mean?

TSH a tad low.: This number would suggest that your thyroid is a touch fast, as the TSH is a touch low. If you’re not having symptoms referable to hyperthyroidism then this could simply be a lab aberrancy. If you are having relevant symptoms, though, then you’d need a more formal investigation - full thyroid blood panel, thyroid ultrasound and scan. ...Read more

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Tsh with reflex to FT4 with resulting 2.09 value. What does this mean? Thanks for your help!

Normal: A TSH of 2.09 is normal. Reflex to FT4 means that if the TSH was abnormal the lab would have automatically done further testing by doing a free T4 (FT4) level. Since the TSH was normal, no further testing was done. ...Read more

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My TSH test results 8 months ago were 1.2 but I was tested again last week and the results of TSH - REFLEX TO FT4 are 1.850. Is this Normal?

Lab variation: Not only may the change in this number reflect a normal variation in the labs result without a change in your thyroid function it could represent normal variation of thyroid function within your own body. This might be as a result of variable absorption of any thyroid supplement you are taking or variation in disease activity if you have a disorder such as hashimoto's thyroiditis. ...Read more

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Tsh w\reflex to free t4 is. 22. Free t4 is 1.65 is this normal. I take 75 synthroid?

Yes.: 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, free T4 value is normal. The low TSH suggests need for a discussion with your doctor about reducing the dose of synthroid.
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.
Get HPV vaccine, if you are under 27 years of age. ...Read more

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My TSH reflex to FT4 came back at. 37. Normal for this testis. 40-4.50. What does this mean?

My TSH reflex to FT4 came back at. 37. Normal for this testis. 40-4.50. What does this mean?

Normal: The difference between 0.37 and 0.4 is not meaningful.
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

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TSH W REFLEX FREE T4 TSH, 3RD GENERATION (0.40-4.00) uIU/ML My results are 1.10 I had this test taken. Can you explain what the results mean?

TSH W REFLEX FREE T4 TSH, 3RD GENERATION (0.40-4.00) uIU/ML My results are 1.10 I had this test taken. Can you explain what the results mean?

Normal, but...: THIS IS A NORMAL THYROID SCREENING TESTS. There are rare diseases thyroid that can happen with an normal normal TSH, but you would have symptoms of thyroid disease or other evidence of central hypothyroidism or thyroiditis in a "euthyroid phase, " which would be rare and require much more history. If there is ongoing concern see an endocrinologist. IF YOU GENERALLY FEEL WELL GREAT, IT IS NORMAL! ...Read more

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My t4 free is 0.70 and my tsh reflex free t4 is 29.2. What does this mean and what do I need to do?

My t4 free is 0.70 and my tsh reflex free t4 is 29.2. What does this mean and what do I need to do?

Hypothyroidism: This is diagnostic of hypothyroidism and should be treated with thyroid hormone replacement which hopefully was done by the doctor who got these labs. While without a little more history is there is the remote chance of thyroiditis, it is unlikely with a TSH in this range. While EASILY TREATABLE, hypothyroidism can be a serious and even eventually a life threatening disease. ...Read more

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What does "Tsh with reflex (reflux?) to FT4" mean with blood work? Does that mean it's as complete thyroid check?

No: TSH (Thyroid Stimulating Hormone) is a marker for thyroid function. If it is abnormally high, the lab automatically (reflexively) does a Free T4 level. This is useful for diagnosing hypothyroidism, but it is not the same as a full thyroid panel. Hope this helps! ...Read more

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Tsh w reflex to free t4 component results value std range 2.55 0.45-4.5 is my test results good or bad at 2.55?

Normal: The value for TSH in the scenario you decribed is normal. However, like all lab tests, interpretation must be done with attention to the bigger picture. ...Read more

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I have a blood test done and my TSH reflex to free T4 is 4.53. 50-4.30 miu/l is that bad?

I have a blood test done and my TSH reflex to free T4 is 4.53. 50-4.30 miu/l is that bad?

I agree to a point!: Tsh slightly elevated. Your body thinks your thyroid is low. The most common cause for hypothyroidism is hashimoto's thyroiditis, which can be indentified by the presence of anti-thyroglobulin antibodies and anti-TPO antibodies. Have these tests. If positive, I would place you on thyroid immediately. I would also have my free-t3 checked as well. Some do not convert T4 to t3! ...Read more

Dr. Amrita Dosanjh
275 Doctors shared insights

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