Instructions for Specimen Procurement

6th Floor, Clinic Bldg.
2799 West Grand Blvd.
Detroit, MI 48201
(313) 916-2964

Tube Type by Order of Draw		Additive (helps or prevent clotting)	Invert (secures good mixing with additive)	Let Clot For (clot traps cells away from serum or plasma)	Centrifuge Before (separates serum or plasma from cells)
Hemoguard Top	Conventional Top
		Citrate	4 times	Not applicable	Not applicable
Blue	Blue
	Not available	Clot activator	8 times	60 minutes	2 hours after clotting
Dark blue
		Clot activator	8 times	60 minutes	2 hours after clotting
Red	Red
		Clot activator and gel	5 times	30 minutes	2 hours after clotting
Gold	Red/Grey
		Na or Li heparin	8 times	Not applicable	Not applicable
Green	Green
		K2EDTA	8 times	Not applicable	Not applicable
Lavender	Lavender
		K2EDTA	8 times	Not applicable	Not applicable
Pink	Pink
	Not available	K2EDTA and gel for plasma separation	8 times	Not applicable	Not applicable
White
		Na Fluoride	8 times	Not applicable	Not applicable
Grey	Grey

Last Modified:

Wednesday, July 12, 2023 3:05 PM