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Parathyroid Hormone-Intact (PTH-I)

Test Code
PTHIN


Preferred Specimen
Plasma, 0.5 mL minimum


Instructions
Submit refrigerated. Do not use EDTA plasma samples that have been stored at room temp. for longer than 8 hours.


Transport Container
Lavender top


Transport Temperature
Specimen stable 3 days refrigerated longer if frozen.


Reference Range
See report for normal ranges.


Clinical Significance
PTH maintains calcium homeostasis and is an important aid in the diagnosis of calcium metabolism disorders. It can also be used to distinguish between patients with hyperparathyroidism, hypoparathyroidism or hypercalcemia of malignancy.




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.