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Test Code LAB3112 JC Polyoma Virus DNA, Quantitative Real-Time PCR, Plasma

Additional Codes

Mayo Test Code: FJCV

Method Name

Real-Time PCR

Reporting Name

JC Polyoma Virus DNA, QN PCR

Specimen Type


Submit only 1 of the following specimens:



Draw blood in a plain, red-top tube(s). Spin down and transfer 0.7 mL serum to a screw-top plastic vial. Submit frozen.

Note: Serum gel tube is acceptable, but must pour off into a plastic screw cap vial and freeze.



Draw blood in a yellow-top (ACD) or lavender-top (EDTA) tube(s). Spin down and transfer 0.7 mL ACD or EDTA plasma to a screw-cap plastic vial. Submit frozen.

Specimen Minimum Volume

0.3 mL

Specimen Stability Information

Specimen Type Temperature Time
Varies Frozen (preferred) 30 days
  Refrigerated  7 days
  Ambient  48 hours

Reject Due To

Specimens other than

Serum, plasma

Anticoagulants other than





Warm OK 48 hrs; Cold OK





Reference Values

Reference Range:          <500 copies/mL


Day(s) and Time(s) Performed

Monday through Sunday

Performing Laboratory

Focus Diagnostics, Inc.

Test Classification

This test was developed and its performance characteristics have been determined by Focus Diagnostics. It has not been cleared or approved by the U.S. Food and Drug Administration. The FDA has determined that such clearance or approval is not necessary. Performance characteristics refer to the analytical performance of the test.

CPT Code Information


LOINC Code Information

Test ID Test Order Name Order LOINC Value
FJCV JC Polyoma Virus DNA, QN PCR In Process


Result ID Test Result Name Result LOINC Value
Z0559 Source 31208-2
Z0560 JC Virus DNA, QN 49412-0