VITAMIN A, SERUM
Reporting Title: Vitamin A, S
High-Performance Liquid Chromatography (HPLC)
Specific quantitation of retinol.
	Test Performed At:
		Mayo Medical Laboratories #8766
	Specimen Required:
		Collect 4.0 mL (minimum 1.5 mL) of whole blood in a plain, red-top tube(s) following an overnight (12-14 hour) fast. Patient must not consume any alcohol or ingest vitamin supplements for 24 hours before the specimen is drawn. (SERUM GEL TUBE IS NOT ACCEPTABLE.)
	Laboratory Notes:
		Spin down and send 1.5 mL (0.6 mL minimum) of serum frozen in plastic amber vial to Protect specimen from exposure to light.
		NOTES:	1.	DO NOT THAW / REFREEZE
			2.	Reject if hemolyzed (slight ok).
			3.	Will also accept EDTA or Heparin (no gel) plasma
	Reference Values:
		Retinol:			0-6 years:	113-647 mcg/L
					7-12 years:	128-812 mcg/L
					13-17 years:	144-977 mcg/L
					>18 years:	325-780 mcg/L
	Day(s) Test Set Up:
		Monday - Saturday
	Cut-Off Time:
	Turn Around Time:
		3-5 days
	CPT Code:
		84590
	Care Manager Order Name:
		Vitamin A, Serum ONCE RTN
	KIDDOS Order Name:
		Vitamin A Serum Level
	Cerner Order Name:
		Vit A Ser

Last Updated 11/08