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A member asked:
Tsh .381 low, t4 1.3o should i be concerned?
A doctor has provided 1 answer
Doctor can follow-up: A TSH of 0.38 with Free T4 of 1.3 perhaps means the pituitary is working properly. A TSH of 0.1-0.4 is lower than reference range, which means only about 2.5% of normal people have TSH or 0.1-0.4. So, one hopes she is normal, but Doctor might recheck her in some weeks to confirm that her levels are stable. If there are symptoms, or if Total instead of Free T4 was 1.3, a disorder may be present.
Answered 10/23/2019
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