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BCH Order Code BCH280 T3 Total (Triiodothyronine, Total), Serum

Additional Codes

Ordering Mnemonic
T3TOT

Performing Laboratory

Boulder Community Health

Specimen Requirements

Container/Tube: Serum gel tube(s) – EDTA or heparinized plasma is also acceptable.

Specimen: 1 mL of serum

Collection Instructions: Spin down

Specimen Transport Temperature

Refrigerate

Methodology

Competitive Immunoassay

Useful for the definitive diagnosis of thyroid disease.

Reference Values

0.970-1.69 ng/mL

Day(s) Test Set Up

Monday through Friday

Test Classification and CPT Coding

84480