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Test ID VANPA Vancomycin, Peak, Serum

Useful For

Monitoring peak levels in selected patients receiving vancomycin therapy

Method Name


Reporting Name

Vancomycin, Peak, S

Specimen Type

Serum Red

Ordering Guidance

In addition to this peak assay, both trough level and random testing are available.

1. Serum for a trough level should be drawn no more than 30 minutes prior to next dose; order VANTA / Vancomycin, Trough, Serum.

2. Serum for random testing should be ordered as VANRA / Vancomycin, Random, Serum.

Specimen Required

Container/Tube: Red top

Specimen Volume: 0.5 mL

Collection Instructions:

1. Serum for a peak level should be drawn 1 hour after completion of dose.

2. Centrifuge and aliquot serum within 2 hours of collection.

Specimen Minimum Volume

0.25 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Red Refrigerated (preferred) 14 days
  Frozen  365 days
  Ambient  48 hours

Reference Values

Therapeutic: 20.0-45.0 mcg/mL

Day(s) Performed

Monday through Sunday

Report Available

Same day/1 to 2 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Test Classification

This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

CPT Code Information


LOINC Code Information

Test ID Test Order Name Order LOINC Value
VANPA Vancomycin, Peak, S 4090-7


Result ID Test Result Name Result LOINC Value
VANPA Vancomycin, Peak, S 4090-7

NY State Approved



If not ordering electronically, complete, print, and send a Therapeutics Test Request (T831) with the specimen.