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Test Code FT3 Triiodothyronine, Free (Free T3)

Additional Codes

PathLab FT3
Epic ID LAB137

 

Specimen Requirements

Preferred Collection Container: 

Light Green (Lithium Heparin Plasma Separator Tube)
SST (Serum Separator)

 

Also Acceptable Collection Container: 

Green No Gel (Lithium Heparin)
Red (No Additive)

 

Collection Information: 

Collect blood in a Light Green (Lithium Heparin Plasma Separator Tube) or SST (Serum Separator). Green No Gel (Lithium Heparin), Red (No Additive) also acceptable.

 

Transport Information: 

Centrifuge and aliquot 1.0 mL of serum or plasma into a plastic transport vial. Send refrigerated.

 

Minimum Sample Volume: 

0.5 mL of serum or plasma

Stability/Transport

Temperature Stability Preferred Transport
Refrigerated 7 days X
Frozen 1 month  
Room Temp 4 hours  

 

Performing Lab

Pathology Laboratory

Methodology

Electrochemiluminescence

Day(s) Performed

Daily

Report Available

2-24 hours

CPT Code Information

84481