Thyroid Panel

Test Code
THYP


CPT Codes
84439; 84443

Preferred Specimen

Serum (gold or red top tube)



Minimum Volume
0.5 mL


Transport Container

Serum (gold or red top) Tube



Transport Temperature
Room Temperature or Refrigeration


Specimen Stability
Room Temperature - 1 day; Refrigerated - 7 days


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Turbidity, Quantity Not Sufficient, EDTA (purple top tube) Contamination, IV Contamination


Methodology
Chemiluminescence

Setup Schedule

Daily upon receipt



Report Available
Upon completion of analysis


Reference Range

TSH:      0.465 - 4.68 mIU/mL
FT4:       0.78 - 2.19 ng/dL



Clinical Significance

THe thyroid panel consists of a TSH measurement and a FT4 measurement. It is used to help diagnose hypo- or hyperthyroidism due to various thyroid disorders.





The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.