T3, Free

Test Name

T3, Free

LIS Code

FREET3

Lab Section

Chemistry

Fluid Type

Plasma

Specimen Tube Type Transport

Gel Green Top

Container Whole Blood Required

3 ml whole blood in a Gel Green Top tube or 1.5 ml whole blood in (2) Gel Green Microtainers

Summary Test Name

T3, Free

Specimen Stability

6 days, if refrigerated

Minimum Volume

0.3 ml plasma

Specimen Transport

Refrigerate

Specimen Preparation In House

Spin, separate, refrigerate until analysis

Reference Value

Male/females and all ages the same 1.71 - 3.71 pg/mL