Collect	Plain Red
	Also Acceptable	Lavender (EDTA), pink (K2EDTA), green (sodium heparin), gray (sodium fluoride/potassium oxalate).
	Transport	Refrigerated
	Minimum Volume	2 mL Serum
	Remarks	Avoid use of separator tubes and gels. If gel separator is used, separate serum/plasma from gel within two hours of collection. Do not refrigerate on gel separator.

Doxepin Nordoxepin

80166, 80299 *The CPT codes provided are based on the AMA guidelines and for informational purposes