Test Code TT3 T3 (Triiodothyronine), Total, Serum
Additional Codes
EPIC: LAB136
Methodology
Chemiluminescent Immunoassay
Performing Laboratory
St. Joseph Hospital
Specimen Requirements
Serum - Collect blood in a light orange top tube (serum gel tube SST) or plain, red-top tube.
Centrifuge and send 0.5 mL of serum refrigerated.
Note: Plasma is not acceptable for this assay
Reference Values
80.0 - 200.0 ng/dL
Day(s) Test Set Up
Monday through Sunday
Test Classification and CPT Coding
84480