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HelpTest Code FREET4/T4FREE T4 (Thyroxine), Free, Plasma
Methodology
Electrochemiluminescence
Performing Laboratory
Sky Lakes Medical Center-Chemistry
Specimen Requirements
Specimen Type: Plasma or Serum
Container/Tube: Green top (lithium heparin gel) or SST
Specimen Volume: 2 mL
Specimen Transport Temperature
Refrigerate
Reference Values
0.58-1.64 ng/mL
Day(s) Test Set Up
Monday through Sunday
Test Classification and CPT Coding
82757
Test Order Code
LAB127