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Test Code 0673 Vancomycin, Trough, Plasma

Performing Laboratory

Barnes-Jewish Hospital Laboratory

Methodology

Homogeneous Enzyme Immunoassay

Testing Algorithm:

If vancomycin value is a critical result , #1883 Potassium, Plasma will be performed at an additional charge.

Literature References:

Vancomycin reagent package insert. Vanc2 Roche Corporation 05/2015

 

Specimen Requirements

Specimen Type: Plasma
Container/Tube: Mint green tube

Specimen Volume: Full tube

Collection Instructions: Draw blood no earlier than 60 minutes prior to dose. Trough level for first dose should be drawn just prior to next dose.
Additional Information: Date and time of draw are required.

Day(s) Test Set Up

Monday through Sunday
Turnaround Time:
STAT: 1 hour

Routine: 2-4 hours 

Reference Values

Setting Target Range
Uncomplicated skin and soft tissue infections 10-20 mcg/mL
All other infections 15-20 mcg/mL
Critical value ≥21.0 mcg/mL

Note: See Dosage Adjustment of Aminoglycoside Antibiotics Based on Drug Level Monitoring in Special Instructions.

Literature References:

Casabar E. et al, BJH Antibiotic Utilization Review Subcommittee. Vancomycin, IV and PO. BJH Pharmacy’s Toolbook (2011).

Test Classification and CPT Coding

80202-Vancomycin

84132-Potassium (if appropriate)

Additional Information

For BJH Laboratory Use Only

Alternate Tube(s):

1 dark green-top (lithium or sodium heparin) tube

1 red-top tube

1 lavender-top (EDTA) tube

Analyte Stability:

Specimen should be tested within 8 hours of collection if kept at ambient temperature. If specimen must be stored for later testing, it may be kept 2° C to 8° C for up to 7 days or at ≤-20° C for longer periods.

Laboratory Processing Instructions:

Test performed in BJH Core Lab.  Processed by automated line for delivery to the Cobas 8000. Completed specimens are stored refrigerated for 5 days.

Specimen Transport Temperature

Ambient

LOINC Code Information

Name LOINC Code
Vancomycin, Trough, Plasma 4092-3