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HelpEpic Test Code LAB39 Vancomycin, Trough
Performing Location(s)
BMC,FOX,LFH,OCH
Specimen Type
Serum
Preferred Container
Red top tube
Blood Tube Draw Volume
Min 50% draw volume
Minimum Volume to Submit for Testing
2 mL Serum
- Multiple test can be performed from this volume. For question please contact the lab at 547-3975.
Transportation Needs
Deliver specimen to laboratory within 1 hour of collection if unspun. If not possible see "storage Requirements".
Storage Requirements
Sample tubes should be centrifuged within 2 hour of collection followed by transfer of the serum to a labeled plastic, aliquot tube.
See Causes of Rejection for temperature requirements.
Causes for Rejection
Mislabeled or unlabeled specimen
Less than 50% draw for Vacutainer tubes
Anything other than a red-top tube
> 48 hours refrigerated
> 24 hours Room Temp
>6 months Frozen
Hemolysis > 400 mg/dL HgB
Lipemia > 750 mg/dL Trig
Bilirubin > 30 mg/dL Bili
Limitations
Icteric specimens may cause falsely elevated levels
Reference Values
| Population | Units | Therapeutic Range | High Critical Value |
| Random | ug/mL | 10 - 30 | > 30 |
| Peak | ug/mL | 20 - 50 | > 70 |
| Trough | ug/mL | 10 - 20 | > 20 |
Days of Analysis
All
Available STAT
Yes
Includes
Quantitative analysis for Vancomycin
Additional Information
Collection Guideline:
Obtain a baseline creatinine and repeat at 1-3 day intervals.
Begin monitoring after steady state is achieved (usually 3-4 doses).
Monitor at least one peak (60-90 min after IM or 30-60 min IV) and one trough (within 30 min of next dose).
Repeat trough measurements at 3-4 day intervals or sooner if warranted by clinical status
Base frequency of monitoring on changes in dose and patient symptoms
Perform urinalysis by day 3 and repeat as necessary to assess early proximal tubular dysfunction
Methodology
Beckman AU/Dx Series
CPT Code
80202
Last Updated
19-DEC-24 MS