Collect	Green (Sodium Heparin) (Whole Blood Assay)
	Unacceptable	Lithium Heparin and Hemolyzed specimens
	Transport	Room Temperature
	Minimum Volume	10 mL
	Remarks	Draw Monday through Thursday only, not the day before a holiday. Specimen must be sent to Umass lab same day as drawn by 5PM.
	Notes	Stability: 48 Hours.

86343 (2), 83088 (2) *The CPT codes provided are based on the AMA guidelines and for informational purposes