Varicella zoster (VZV) CFT antibodies (chicken, pox, shingles)

Microbiology

Notes

• This test is not generally of value in making a diagnosis of Varicella zoster virus infection. A viral swab of the lesion is of more diagnostic value
• VZV IgM antibody tests are relatively insensitive and have poor specificity. Occasionally samples may be referred for testing after discussion with the Consultant Microbiologist.
• It is always tested along with Herpes simplex virus CFT antibodies to exclude cross reactions
• This test is part of the following viral screen sets:
  • Encephalitis screen

Sample requirements

Serum - paired samples normally required

8.5ml of blood taken into a plain gel tube

Required information

• Relevant clinical details

Storage/transport

Store at fridge temperature

Transport as soon as possible at ambient temperature

Turnaround time

7 - 10 days