- T4
Total T4
Test Code
T4
Specimen Name
Total T4
CPT Codes
- 84436
Collect
SST-Serum Also acceptable Lithium-Heparin, Na-Heparin Plasma.
Stability
7 days refrigerated
Volume
1 mL
Minimum Volume
0.5 mL
Performed
Tuesday/Thursday/Saturday
Components
—
Additional Information
Draw SST, allow to clot completely, or other tube and centrifuge. Separate plasma into specimen transport tube if no gel separator.
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Test Information
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Common Lab Definitions
- Serum
- Plasma
- STT