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Test Code VZVQN Varicella Zoster By PCR, blood

Important Note

Do not order for CSF.  For CSF use the test Rapid CSF Viral PCR Qual Panel

For bone marrow aspirate or other tissue samples see Varicella Zoster by PCR Qual, Tissue.

For swab specimens (including lesions) see Varicella Zoster PCR Quant, Swab.

Clinical System Name

Varicella Zoster By PCR


VZ Virus by PCR
VZ Virus Quantitation
VZV Quantitation

Sample Requirements

Specimen: Whole Blood

Container(s): Lavender/EDTA or Red or Gold SST or CSF

Preferred Vol: 2.0 mL blood, 1.0 mL CSF

Minimum Vol: 1.0 mL blood, 0.5 mL CSF


Note: This test can share a tube with other Viral PCR testing but a separate tube needs to be collected if Hematology (CBC, Platelet, ESR, etc) testing is ordered.

Processing Instructions

Reject due to: Dark Green/Sodium Heparin

Spin: Y

Aliquot: Y

Temp: -20 C

Storage location: Spin blood, transfer 1 mL plasma/serum to a plastic aliquot tube affixed with a large computer label.

Monday – Friday: Place sample in the Virology rack of the CPA freezer.

Saturday-Sunday & Holidays: Close batch in Mayo Access and courier to UW NW220. (Call on Holidays to be sure the lab is open to accept samples).


If plasma/serum cannot be frozen within 2 hours of collection, it is acceptable to freeze the aliquot within 48 hours of refrigeration. Document this time discrepancy on the batch sheet.


Off-site collection: Spin sample within 2 hours collection and transfer plasma/serum to plastic aliquot and transport frozen.


Specimen Type Temperature Time
Serum/plasma Room temp


  Refrigerated 48 hr




STAT Performed TAT
N M, W & F 1 - 3 d


Performing Laboratory

University of Washington

Dept of Laboratory Medicine

UW Molecular Virology Lab
1959 NE Pacific St, NW220
Seattle, WA 98195


Phone Number: (206) 520-4600


Department:  Send Outs

Phone Number: (206) 987-2563

Reference Range

None specified


Method: Polymerase Chain Reaction (PCR)

Analytical Volume: 0.5 mL plasma/serum/CSF


CPT Codes


Send Out Instructions


Reference Test Name: Varicella Zoster Quantitative by PCR
Reference Test Number:



Send out M - F with the UW courier. Weekends and Holidays courier on dry ice to UW NW220.