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HelpTest Code Epic LAB127 T4, FREE
Sunquest ordering code
T4FREE
Sample type
LIGHT GREEN LITHIUM HEPARIN
CPT Code
84439
Alias name
FREE T4, FREE THYROXINE, FT4, THYROXINE FREE, NON PROTEIN BOUND TETRAIODOTHYRONINE
Performing Laboratory
QCR
Minimum Volume
0.1 mL
Specimen Stability
ROOM TEMPERATURE: 5 DAYS
REFRIGERATED: 7 DAYS
FROZEN:30 DAYS