Hello. I am very confused by all the information about the normal ranges for free t4 and tsh levels. My levels are free t4 1.3ng/dl and TSH 3.8. According, to the information on the web my t4 is low and tsh levels are high. My physician tells me there in normal range. I had my thyroid removed a year ago, due to having hashimotos disease and a goiter (thyroid 3x it size) and taking levothyroxine 88, but I feel worse now than before I had surgery. Also, My GFR results have been 760ml/min 1.7, which I think would equal something 34liters, which is low and means kidney damage stage three, since all my other GFR tests over the year has been close to the same range.
Hello, thank you for consulting Chat Doctor. As per your information given as you have undergone surgery and your thyroid has been removed, your t4 levels are low and as a cope up mechanism TSH levels will rise to increase t4 production and that's the reason your thyroid profile is in that picture. And coming to the GFR it indicates kidney disease, so adequate treatment is needed, so please consult nephrologist so that he will prescribe wanted investigations and will guide you further. THANK YOU.TAKE CARE.