A member asked:

They did a t3. blood test on me and my thyroid hormone came out 0.914 ..... is that bad ....????? i feel tired .... lazy... gain weight

A doctor has provided 1 answer
Dr. Rebecca Gliksman answered

Specializes in Internal Medicine

Thyroid: The usual tests done for thyroid are TSH ( thyroid stimulating hormone) and T4 -thyroid hormone, T3 is the active form but is checked less frequently. . If the 0.914 is T4 it is low ( labs differ on the range) but you need TSH as well , if TSH is high you likely would need thyroid hormone replacement which many people are on. f/u /w/ endocrinologist

Answered 5/27/2017

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