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HelpTest Code SOFT: FT4 T4 (Thyroxine), Free, Plasma
Additional Codes
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EPIC NAME: FREE T4 EPIC CODE: LAB20402
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Performing Laboratory
Saint Francis Medical Center-Chemistry
Specimen Requirements
Specimen Type: Plasma
Container/Tube: Mint green top (lithium heparin gel)
Specimen Volume: 1 mL
Stability: 7 Days (R)
30 Days (F)
Specimen Transport Temperature
Ambient
Reference Values
0.7-1.85 ng/dL
Day(s) Test Set Up
Monday through Sunday
Test Classification and CPT Coding
84439
Methodology
Electrochemiluminescence