FOLATE, SERUM
Competitive Binding Receptor Assay
	Test Performed At:
		Mayo Medical Laboratories #9198
	Specimen Required:
		Collect 3.0 mL (minimum 1.0 mL) of whole blood in red-top tube(s) or serum gel tube(s) from a fasting patient (8 hour).
		PRECAUTION:					Do NOT order on patients who have recently received Methotrexate or other folic acid antagonist.
	Laboratory Notes:
		Spin, separate and send 1.0 mL (minimum 0.5 mL) of serum refrigerated or frozen in plastic tube.
		NOTE:			1.	Reject if moderate or gross hemolysis present
					2.	Reject if icteric >10 mg/dL Bilirubin
	Reference Values:
		>3.5 mcg/L
		Cautions:
			1.	Nonfasting specimens yield falsely elevated results.
			2.	Patients taking folate may have misleading results.
	Day(s) Test Set Up:
		Monday – Saturday
	Cut-Off Time:
	Turn Around Time:
		3-5 day
	CPT Code:
		82746
	Care Manager Order Name:
		Folate Serum ONCE RTN
	KIDDOS Order Name:
		Folate Serum
	Cerner Order Name:
		Folate Ser

 Last Updated 04/09