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Test Code B19QN Parvovirus B19 quant PCR blood/CSF

Additional Codes

For bone marrow aspirate or other tissue samples see "Parvovirus B19 qual PCR tissue/swab".

Clinical System Name

Parvovirus B19 quant PCR blood/CSF



Sample Requirements

Specimen: Whole blood or CSF

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

Preferred Vol: 3.0 mL Whole blood or 1.0 mL CSF

Minimum Vol: 1.0 mL Whole blood or 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 


Aliquot: Y

Temp: -20 C

Storage location: Spin blood within 2 hours of collection, transfer 1 mL plasma to a plastic aliquot tube affixed with a large computer label.

Monday – Friday: Place sample in the Virology Section of the Sendouts Freezer Rack.

Saturday-Sunday & Holidays: Close batch in Mayo Access and courier to UW NW220. Place a copy of the Transfer List (indicate time sent) in the Virology Transport Binder. (Call on Holidays to be sure the lab is open to accept samples).


Off-site collection: Blood: Centrifuge tube within 2 hours of collection & aliquot serum/plasma - Freeze @ -20°C
CSF: Freeze within 2 hours of collection or ship immediately @ 4°C. If CSF has cells, spin & aliquot clear CSF-Freeze @ -20°C


Specimen Type Temperature Time
  Room temp






STAT Performed TAT
N Collected daily; performed T 48 - 72 h


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: None specified


CPT Codes


Send Out Instructions


Reference Test Name: Parvovirus B19 by PCR, Quantitative
Reference Test Number:



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