T4, Total

Method Name

Chemiluminescence

Aliases

T4, Total; Thyroxine, T4 - Total

Specimen Required

one SST/gel tube

Specimen Minimum Volume

2.0 mL of blood

Specimen Stability Information

Centrifuged specimen stable for 48 hours refrigerated.

Performing Laboratory

Monday – Saturday. Turn around time is 24 hours.

Reference Values

4.4 – 11.0 ug/mL