Order Of Draw With Quantiferon - Web collect 1 ml into each tube in the following order: Web specimen collection times will vary depending on logistics from the blood draw location to a labcorp lab. Nil (gray top), tb antigen (red top), and mitogen (purple top). Web order of draw for multiple tube collections.
Web order of draw for multiple tube collections. Web specimen collection times will vary depending on logistics from the blood draw location to a labcorp lab. Nil (gray top), tb antigen (red top), and mitogen (purple top). Web collect 1 ml into each tube in the following order: