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HelpTest Code FT3 T3, Free
Specimen Type
Blood
Preferred Collection Container
GRN-PSTCollection Volume
3 mL
Minimum Collection Volume
1 mL
Collection Instructions
Collect specimen in red top or SST tube. Centrifuge, aliquot serum into plastic vial, and refrigerate.
Rejection Criteria
Gross hemolysis
Specimen Storage and Stability
Stable up to 48 hours at 2-8 C
Turn Around Time
24 hours
Lab Department
Chemistry
Alias
T3, Free; Free T3; Free Triiodothyronine
Ordering Info
Significant interference from biotin can be observed with this assay. It is recommended that patients refrain from taking any supplements containing biotin for 24 hours before having this test drawn.EPIC Code
LAB137
Acceptable Collection Container
Red top tube, SST tube
Testing Volume
0.4 mL (400 ul)
Day(s) and Time(s) Performed
Monday through Sunday, 24 hours