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Vitamin A

Message
Patient Preparation: Overnight fasting required. Collect a full tube, following standard venipuncture techniques. Protect From Light.


Test Code
LAB580 VITAR


Alias/See Also
VITAR


CPT Codes
84590

Includes
Patient Preparation: Overnight fasting required.@BKRCERMSGREFRESH(2302793)@ @BKRCERMSGREFRESH(2302794)@


Instructions
Processing Instructions (Lab use only): Separate from cells as soon as possible after clotting. Send serum in an amber tube. If amber tube is not available, wrap tube in aluminum foil to protect from light. Minimum Testing Volume: 0.7 mL Serum Transport Temperature: Refrigerated Stability: Ambient: 24 HoursRefrigerated : 7 DaysFrozen: 28 Days Causes for Rejection: Gross hemolysisGross lipemiaSerum unseparated from the clotSerum in serum separator tube not separated from the gelNot light protectedPlasma


Report Available
5-Days


Clinical Significance
1230170851



Last Updated: May 18, 2026


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.