Test Code T4T T4 (Thyroxine), Total, Serum
Methodology
Chemiluminescence Immunoassay
Performing Laboratory
Munson Medical Center Laboratories
Specimen Requirements
Specimen must arrive within 24 hours of collection.
Container/Tube: Gold-top serum gel tube.
Microcontainer with serum gel separator is also acceptable.
Specimen Volume: 0.5 mL of
serum
Transport Temperature:
Refrigerate
Collection Instructions: Forward
promptly.
Note: 1. Medicare diagnosis limitations exist for this test. Click on link for list of medically necessary diagnoses: http://www.munsonhealthcare.org/medical-necessity. See Advance Beneficiary Notice of Noncoverage (ABN) form in Special Instructions.
Reference Values
6.1 - 12.2 ug/dL
Day(s) Test Set Up
Monday through Sunday
Special Instructions
Test Classification and CPT Coding
84436