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high level of t4, free hypo or hyperthyroidism?
My son of 14 yr old just has an abnormal thyroid test tsh, 3rd generation 1.87, t4, free 1.5, tsh w/free t4 rfx 1.8
What this means? He suffer of Hypo or hyperthyroidism?
thanks in advance
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523918 tn?1244553431
TSH looks normal to me, does your son have symptoms? My son  (14 years old) got TSH 3.25 and free T4 (0,71- 1,8 ) and doctor wants him to repeat the analyses and test the thyroid antibodies.He has no symptoms.
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523918 tn?1244553431
Sorry he's free T4 was 0,78 (reference 0,71 - 0,78), I got worried too.
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My son lost  weight even if he eat a lot so I request the test from his pediatrician. we got an appointment with the endo but she is book until nov 6.only the t4 is out of the range 1.5 what this means?
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523918 tn?1244553431
Low TSH with High free T4 means hyper, but he's TSH is normal, what are the lab references?. I think doctor will ask to repeat the analyses. My son had a border line TSH and free T4 (low) and in my case would be more hypo, but the ENDO wants him to repeat to be sure, but he didn't look worried...If he lost weight he must do more analyses (should check for parasites in fezes, do you have animals at home?). My sons ENDO asked that to my son, also full blood tests (with liver enzymes, cholesterol, etc.), free testosterone, PH, etc. (hormones for puberty)  and urine analyses. May be you should ask your sons Ped to repeat the analyses (more complete), and then you will have more information for the ENDOs appointment.
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