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Test Code Billings Clinic: 9504 Quest: 90257 JC Virus Antibody

Performing Laboratory

Quest Diagnostics' Nichols Institute, Inc.

Useful For

The JC Virus (JCV) is associated with Progressive Multifocal Leukoencephalopathy (PML). Detection of antibodies to JCV in serum or plasma is a reliable indicator of exposure to JCV. The analytical performance characteristics were determined for multiple sclerosis patients.

Methodology

Immunoassay

Specimen Requirements

  • Draw blood in a plain, red-top tube(s) or a serum gel tube(s).
  • Spin down and send 1 mL of serum ambient.

Reference Values

Negative

Day(s) Test Set Up

Monday through Friday

Test Classification and CPT Coding

86790

86711 ( if appropriate)

Specimen Transport Temperature

Ambient: 7 days

Refrigerate: 14 days

Frozen: 3 months

Profile/Testing Information

If the JCV Antibody result is, “INDETERMINATE”, STRATIFY JCV™ Antibody Inhibition Assay will be performed at an additional charge.