T4 (Thyroxine), Total

Supply #T01 - Red/Gray SST 8.5mL

Test Code: 867

Methodology: Immunoassay (IA)

Clinical Significance: For diagnosis of hypothyroidism and hyperthyroidism

Note: Free T4 Index (T7) will only be calculated and reported if order code 861 (T3 Uptake) is ordered as well.

Additional names: T4; T-4 (RIA); T4 Total; Tetraiodothyronine; Thyroxine; Thyroxine T4; Thyroxine Total

Collection Guide: 

Supply: T01 - Red/Gray SST 8.5mL

Preferred Specimen: Serum

Preferred Volume: 1mL

Transport Container: Serum Separator Tube (SST)

Transport Temperature: Room Temperature

Specimen Stability: Room Temperature: 7 Days

Reject due: Specimens exceeding stability; Unlabeled or improperly labeled specimens

For additional supply or collection device information, please contact DLO's Customer Service at (800) 891-2917, option 2.