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Test Code M226 Varicella-Zoster Virus (VZV) DNA Rapid Detection by PCR

Performing Laboratory

Barnes-Jewish Hospital Laboratory-Microbiology


Polymerase Chain Reaction (PCR)
(PCR is utilized pursuant to a license agreement with Roche Molecular Systems, Inc.)

Specimen Requirements

Acceptable Specimens:

Dermal sites (drainage, discharge, lesion, scraping, ulcer, vesicle): 1 swab in viral transport medium


Collection Procedure:

1. Obtain Viral Transport Medium Collection Kit.
2. Collect specimen using plastic shaft Dacron swab.
3. Place swab in vial, break or cut off shaft of swab, discard shaft, tightly cap tube.
4. Maintain sterility and forward promptly.

5. If transport is delayed, refrigerate specimen. Specimen cannot be frozen.
Note: Specimen source is required.

Day(s) Test Set Up

Monday through Saturday

Cut-off time: 1900 the evening prior to testing

Turnaround Time:
STAT: not available
Routine: final report available day of testing

Reference Values


Test Classification and CPT Coding

Test Classification:

Test performed using analyte-specific reagent (ASR). This test was developed and its performance characteristics determined by the St. Louis Children’s Hospital Clinical Laboratory. It has not been cleared or approved by the U.S. Food and Drug Administration.

CPT Code:




Additional Information

For BJH Laboratory Use Only

Minimum Volume:

1 swab in viral transport medium

Laboratory Processing Instructions:
BJH Microbiology will forward to the performing laboratory.

Specimen Transport Temperature

Ambient/Refrigerate OK/Frozen NO