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Test Code LAB39 Vancomycin - Trough

Department

CHEMISTRY

Collection Requirements

PEAK AND TROUGH DRUG LEVELS SHOULD BE DRAWN DURING THE SAME DOSE CYCLE WITH THE PEAK DRAWN (30-60 min after IV dose), AND THE TROUGH DRAWN (immediately prior to the next dose).

Primary Collection Container

Green PST (Lithium Heparin)

Alternate Collection Container

Green Microtainer PST

Transport

Refrigerated

Preferred Transport Temperature

Refrigerated

Processing

Centrifuge and refrigerate within two hours of collection.

Separate from gel if testing is to be delayed more than 8 hours.

Stability

Ambient: 8 hours

Refrigerated: 48 hours, if separated from gel

Minimum Testing Volume

0.5 mL

Reference Range

4.0 – 9.0 µg/ml

Methodology

Roche c503 The assay is based on the kinetic interaction of microparticles in a solution (KIMS).

Performed

Sunday – Saturday

Reported

As completed

CPT Codes

80202

Unacceptable Conditions

Specimens stored on gel longer than 8 hours.