Free T3

Test Name

Free T3

LIS Code

FREET3

Availability

7 days per week

Lab Section

Chemistry

Fluid Type

Plasma

Specimen Tube Type Transport

Gel Green Top Tube

Container Whole Blood Required

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

Summary Test Name

Free T3

Specimen Stability

14 days if refrigerated at 2-8°C

Minimum Volume

0.3 ml plasma

Specimen Transport

Refrigerate

Specimen Preparation In House

Spin, separate, refrigerate until analysis

Test Turnaround Time Routines And Stats

4 hours

Reference Value

Male/females and all ages the same 2.0 - 4.4 pg/mL