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Active form of thyroxine not bound to proteins. Together with TSH, it confirms thyroid disorders.
Component
Thyroxine free
System
Blood
Unit
ng/dL
Reference Range
0.8 – 1.8 ng/dL
LOINC Code
3024-7
Category
Thyroid
MedExtract automatically maps Free T4 results to LOINC code 3024-7 from any Spanish lab report.
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