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Test Code 62871462 T4 (Thyroxine), Total Only, Serum

Performing Laboratory

Torrance Memorial Laboratories

Specimen Requirements

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

Specimen Transport Temperature

Transport Temperature

Refrigerated

 

Specimen Stability

Refrigerated: 6 days

Methodology

Chemiluminescent Microparticle Immunoassay

Reference Range

4.87 - 11.72 mcg/dL

 

*Note: Reference ranges provided on this web site are for guidance only, and may not reflect the most recent changes. Refer to laboratory reports for current data.   

Day(s) Test Set Up/TAT

Performed:

Daily

 

Available STAT:

No

 

TAT: 

< 4 hours

CPT Code

84436

Aliases

T4 Total