Q. Should I be concerned about my slightly high free T4 level?

Answered by Dr. Swaraj S W and medically reviewed by iCliniq medical review team.

 

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Hi doctor,

I am a 59 year old male in generally excellent health. I am 5'10" tall and weighs 170 pounds. I am very fit for my age. I just had an annual physical and laboratory work, and it was generally excellent. I had a complete thyroidectomy before nine years due to several large but benign cysts in my thyroid gland. I am on 200 mcg of Levothyroxine daily. My blood work showed a TSH of 1.04 and free T4 of 1.93. My laboratory considers normal free T4 to be 0.7 to 1.76. Should I be concerned about this slight high value? I feel great, and all other blood tests were excellent.


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Dr. Swaraj S W
MBBS., MD MEDICINE., FELLOWSHIP IN DIABETES AND ENDOCRINOLOGY., SENIOR RESIDENCY DIABETES AND ENDOCRINOLOGY
Diabetology, Endocrinology

Hi,

Welcome to icliniq.com.

  • I do not think that you should be concerned.
  • For the free T4 to get high and cause worried your TSH (thyroid stimulating hormone) should get suppressed, which is not the case with you.
  • I would suggest you keep the same dose and repeat TSH and free T4 after two months. Still, if it is high, then we can think about dose reduction.
  • Therefore, no need to do anything as of now.

For further doubts consult an endocrinologist online --> https://www.icliniq.com/ask-a-doctor-online/endocrinologist

 
 
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