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Test Code T3 T3 (Triiodothyronine), Serum

Additional Codes

Sunrise Clinical Manager (SCM) Orderable:   Triiodothyronine, Total (T3 Total)

AllScripts (AEHR) Orderable:  T3, Total

Performing Laboratory

Northwell Health Laboratories


Electrochemiluminescence Immunoassay (ECLIA)

Specimen Requirements

Container/Tube: Gold-top tube(s)

Specimen: 1 mL of serum

Transport Temperature: Refrigerate

Stability:  8 Days Room Temperature

                14 Days Refrigerated

                 1 Year Frozen

Reference Values

80-200 ng/dL

Test Classification and CPT Coding


Day(s) and Time(s) Performed

Monday through Sunday, Continuously

Computer Interface Code

PDM #  5300427