Collect	Royal Blue (No Additives)
	Also Acceptable	Royal Blue (EDTA)
	Unacceptable	Separator tubes. Specimens that are not separated from the red cells or clot. Hemolyzed specimens.
	Transport	Room Temperature
	Minimum Volume	2.0 ml Serum
	Notes	Centrifuge and pour off serum into an Trace Element-Free Transport Tube ASAP or within 2 hours of collection. Do not allow serum to remain on cells.

84630 *The CPT codes provided are based on the AMA guidelines and for informational purposes