Sign in →

Test Code FT4 T4 (Thyroxine), Free, Serum

Performing Laboratory

Chilton Hospital Laboratory-Chemistry

Methodology

Immunoenzymatic

Specimen Requirements

Specimen Type: Serum

Container/Tube: Red top, gold top or tiger top (serum gel)

Specimen Volume: Full tube

Specimen Transport Temperature

Ambient

Reference Values

0.71-1.185 ng/mL

Day(s) Test Set Up

Monday through Sunday

Turnaround Time:

Routine-8 hours