Vancomycin, Trough

Tube Type

Test ID		LAB39
EPIC Order		VANCOMYCIN, TROUGH
CPT Code(s)		80202
Group/Individual Test		Individual
Laboratory		Core Laboratory
Tube Station		Routine: 30; STAT: 888
Specimen	Routine:	2 mL blood/royal blue top tube or plain red top tube (no gel); see Comments
	micro:	500 µL blood/red top (no gel) pediatric bullet; see Comments
Stability		Unspun: 8 hours Spun/separated, Room Temperature: 8 hours Spun/separated, Refrigerator: 2 days Spun/separated, Frozen: 30 days
Availability		24 hrs/day
Turnaround Time		Routine: 2 hours; STAT: 1 hour
Reference Range	Therapeutic:	10-20 µg/mL, dependent upon type and severity of infection
	Toxic:	>20.0 µg/mL
Comments	--Trough concentrations correlate better with efficacy than peak concentrations. --Trough sample should be collected immediately pre-dose. --Red top tubes must NOT contain Serum Separator Gel Therapeutic Reference Range effective 4-5-2010

Reviewed by J. Carr on December 13, 2023

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514