T4 (Thyroxine), Total Only, Serum - Torrance Memorial Laboratories

Performing Laboratory

Torrance Memorial Laboratories

Submit the following specimen:

Specimen Type: Serum

Container/Tube: Serum gel

Allow to sit for 30 minutes prior to spinning. Spin within 2 hours of collection.

Also acceptable: Red Top Tube

Transport Temperature

Refrigerated

Specimen Stability

Refrigerated: 6 days

Chemiluminescent Microparticle Immunoassay

New Reference Range Effective 2/1/2022

4.87 - 11.72 mcg/dL

Performed:

Daily

Available STAT:

No

TAT:

< 4 hours

84436

T4 Total