- THYR
Thyroid Profile Reflex
Test Code
THYR
Specimen Name
Thyroid Profile Reflex
CPT Codes
- 84443
Collect
SST-Serum Also acceptable Lithium-Heparin Plasma.
Stability
7 days refrigerated
Volume
1 mL
Minimum Volume
0.5 mL
Performed
Daily
Components
—
Additional Information
If TSH is abnormal test will reflex to a FreeT4. 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