What Does This Free T4 Value Of 0.06 Indicate?

Posted on Wed, 19 Aug 2015

Question: My thyroid function test has said my TF4 has come back as 0.06 I have had an under active thyroid for 30 years and been on 100mg of thyroxine. I have aching muscles and burning in my knees have I gone over to overactive thyroid?

Answered by Dr. Binu Parameswaran Pillai (2 hours later)

Brief Answer:
TSH or FT4?

Detailed Answer:
Good day

Noted your concern. Was it your FT4 which was 0.06 or TSH?
if your FT4 was 0.06, that means you are under replaced with levothyroxine. Of your TSH was 0.06, then that means you are over replaced.

please confirm. it would be great of you could attach the report .
Regards
Binu

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Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar