Test Code VANC Vancomycin
Additional Codes
| Epic Ordering Code (Peak) | LAB41 |
| Epic Ordering Code (Random) | LAB40 |
| Epic Ordering Code (Trough) | LAB39 |
| NBS code | LBC11360 |
| Service code | 31800 |
Specimen Requirements
Submit the following:
| Container: |
| Yellow Top |
Additional information:
Route: Intravenous / Intramuscular
Trough: 30 min – 1 hr before next dose
Peak: 30 min – 1 hr after infusion / after 1 hr intramuscular dose
Once daily dosing: Refer to in-house guidelines or pharmacist’s TDM input.
Processing Requirements
Allow specimen to clot for 30 mins and centrifuge within 2 hours
Specimen type: Serum
Volume: 0.5mL
Specimen Stability
| Specimen Type | Serum |
|---|---|
| Ambient | Not available |
| Refrigerate | 7 days |
| Frozen | 14 days |
Specimen Condition
| Haemolysis | OK |
|---|---|
| Icterus | OK |
| Gross Lipaemia | Alert/Reject |
| Others | Not applicable |
Methodology
Particle-Enhanced Turbidimetric Inhibition Immunoassay (PETINIA)
Days and Times Performed
24 hrs, TAT 1 day
Reference Interval
Peak
Peak for intermittent dosing: 20 - 40 mg/L.
Vancomycin Peak and Trough values can be interpreted together using AUC calculation.
Toxic concentrations: > 50 mg/L
Random
Trough for intermittent dosing: 10 - 20 mg/L
Target (for continuous infusions): 20 - 25 mg/L
Toxic concentrations: > 30 mg/L
Trough
Trough for intermittent dosing: 10 - 20 mg/L
Toxic concentrations: > 30 mg/L
Testing Laboratory
National University Hospital
Clinical Chemistry, 67724346
Useful For
Therapeutic drug monitoring.
Update
Last updated 28/07/2026
LOINC Code Information
4090-7
Alias
Vancocin (Vancomycin Hydrochloride)