Vancomycin (Trough), serum

BD0082

Synonym(s):
Specimen Container
Gel separator tube (Adult)
Microtube (Paeds)
Specimen Requirement

Plain Blood
Adult: 3 mL
Paediatric: 1.3 mL


Blood specimen should be taken just before the next dose for assessment of trough level.


Invert blood 5 times after blood collection ensures the clot-activating factors is well mixed with the blood. This will ensure results are reliable.

Orderable as Urgent? Yes
Turn Around Time

1 - 2 hrs

Reference Value(s)
0 to 150yrs: 10 - 20 mg/L
Testing Laboratory Location KKH
Laboratory Clinical Chemistry
Contact Number 6394 1383
Day and Time Performed
Daily, 24 hrs
Orderable on CPOE? Yes
Downtime Form

Clinical Chemistry - Form A

Additional Information

Critical Value: 80 mg/L


Trough serum vancomycin concentration of 10 to 15 mg/L are recommeneded for most infections. For more complicated infections, trough serum vancomycin concentration of 15 to 20 mg/L are recommended. Please also refer to the latest hospital-wide clinical guidelines for more details.


Change History Notes

  • 27 May 2024 08:00 AM

    Update of Specimen Requirement.

  • 13 Oct 2021 05:00 PM

    ​​Updated Specimen Requirement and Turn Around Time.

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Last Updated - 05 Apr 2025