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HelpTest Code T3 T3 (Triiodothyronine), Total, Serum
Specimen Requirements
Serum, or heparinized plasma. (Red, Gold, or Green top tube(s) acceptable.
Testing Performed
Monday - Sunday
CPT
84480
Reference Range
0.60 - 1.81 ng/ml
Specimen handling & Stability
Refrigerated - 7 days
Frozen - 1 mo