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Thyroid-Stimulating Hormone (TSH), Serum

Test Code
TSH


CPT Codes
84443

Preferred Specimen
1.0 mL serum


Transport Container
Gold Top Tube/Serum Separator Tube.


Transport Temperature
Room temperature or refrigerate.


Methodology
Electrochemiluminescence

Reference Range
0.27-4.20 mcIU/mL


Clinical Significance
TSH determination serves as the initial test in thyroid diagnosics.  TSH is very sensitive and specific parameter for assesing thyroid function and  is particularly suitable for early detection or exclusion of disorders in the central regulating circuit between the hypothalamus, pituitary and thyroid.




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.