Test directory: Varicella Zoster Virus, DFA

Ordering Code4903
Test NameVaricella Zoster Virus, DFA
AliasVZV DFA Smear
Preferred SpecimenVesicular Scrapings
Preferred ContainerSlide or Swab in Viral Transport Media (e.g. M4 Transport
Media)
Optimum Volume2 Slides or 2 Swabs
Collection InstructionsScrape the base of a fresh vesicular lesion. A sufficient number of cells from the lesion must be collected for optimal performance of the test. Place scrapings on 2 clean glass slides and allow to air dry before placing slides in slide holders for transport, OR place scrapings on a swab and into Viral Transport Media (M4 Media).
Transport RequirementsOahu: Refrigerated
Airline: Refrigerated
M4 COLLECTION SEND FROZEN
Specimen StabilityViral Transport Media:
Ambient: Unacceptable
Refrigerated: 72 Hours
Frozen -20C: Unacceptable
Frozen -70C: 30 Days
Slides:
Ambient: 7 Days
Refrigerated: 7 Days
Frozen: Unacceptable
Rejection CriteriaSpecimen older than stability limits, Frozen or broken slides, Dried swabs, Nucleic acid transport, Gel swabs
Avail. StatNO
Analytic TimeUp to 3 Days
MethodologyDirect Fluorescent Antibody (DFA)
Reference Lab Quest Diagnostics Infectious Disease

Reference range(s)

ComponentAgeMale NormMale Critical LowMale Critical HighFemale NormFemale Critical HighFemale Critical LowUnitsAdd'l info
SourceALLSee report.
Varicella Zoster Virus, DFAALLSee report.