Virus, Direct Detection DFA, Varicella Zoster Virus (VZV)
Also known as: Direct Detection by DFA, Varicella Zoster Virus
Use
Rapid diagnosis of varicella-zoster virus
Special Instructions
Submit one specimen per test requested. Specify the exact specimen source/origin (e.g., skin lesion) and indicate a specific test number on the request form.
Limitations
The quality of results depends greatly on the quality of the specimen. Prolonged delays in transport or improper handling can lead to inaccurate results. The use of fixative on slides or receiving of broken slides can cause specimen rejection and result in a lack of results.
Methodology
Immunoassay (Direct fluorescent antibody (DFA))
Biomarkers
LOINC Codes
- 5882-6
- 5882-6
Result Turnaround Time
1-3 days
Related Documents
For more information, please review the documents below
Specimen
Other
Volume
Two slides per virus
Minimum Volume
Not provided
Container
Plain glass slide, no fixative
Collection Instructions
Submit two thinly made air-dried slides. Do not use spray fixative.
Storage Instructions
Refrigerate or maintain specimen at room temperature.
Causes for Rejection
Specimen received after prolonged delay in transport (usually more than 72 hours); unlabeled specimen or name discrepancy between specimen and request label; broken or badly scratched slides; fixative used on slides; bacterial swab transport