Collect	Green (Sodium Heparin)
	Also Acceptable	Green (Lithium Heparin), Plain Red
	Transport	Frozen
	Minimum Volume	1.0 mL Plasma
	Remarks	Outreach sites: Spin, separate plasma, and transport tube to lab within 12 hours refrigerated. Specimen must be frozen if delay is greater than 12 hours. Hospital sites: Plasma must be separated, poured off, and frozen in a plastic tube. CRITICAL FROZEN.

Carnitine Free Carnitine Total Carnitine Esters Carn Ester/Free (Ratio)

82379 *The CPT codes provided are based on the AMA guidelines and for informational purposes