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Vitamin D 25-Hydroxy

Test Code
LAB535


Preferred Specimen
Serum separator tube or GreenTop


Instructions
Allow serum tube to clot completely at room temperature. Separate serum from cells within 2 hours of collection. Transport 1 ml serum (min 0.5 ml) 


Transport Temperature
Refrigerate


Specimen Stability
After separation from cells: Ambient 24 hours; Refrigerated 1 week; Frozen 1 month


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Plasma


Methodology
DxI 9000



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.