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Hello Anonymous,

Welcome to EmpowHER.
typical range
Serum thyroxine T4 4.6-12 ug/dl
Free thyroxine fraction 0.03-0.005%
Free Thyroxine 0.7-1.9 ng/dl
Serum Triiodothyronine T3 80-180 ng/dl

Regards,
Maryann