JC Virus Antibody by ELISA, Serum with Reflex to Inhibition Assay
Qualitative test to detect antibodies to John Cunningham (JC) virus. Aids in risk stratification for the development of progressive multifocal leukoencephalopathy (PML) in individuals with multiple sclerosis or Crohn’s disease who are receiving natalizumab therapy.
New York DOH Approval Status
Plain red or serum separator tube (SST). Also acceptable: Lavender (K2EDTA)
Transfer 1 mL serum or plasma to an ARUP standard transport tube. (Min: 0.5 mL)
Test is not performed at ARUP; separate specimens must be submitted when multiple tests are ordered.
Refrigerated. Also acceptable: Room temperature or frozen.
Ambient: 1 week; Refrigerated: 2 weeks; Frozen: 3 months
Enzyme-Linked Immunosorbent Assay (ELISA)
Performed by non-ARUP Laboratory
If antibody result is indeterminate, then a confirmation (inhibition) assay will be added.
86711; if reflexed, add 86711
|Component Test Code*||Component Chart Name||LOINC|
|3006255||JC Virus Index||100977-8|
|3006256||JC Virus Antibody||70173-0|
- JC polyoma virus
- John Cunningham virus
- progressive multifocal leukoencephalopathy (PML)
- Stratify JCV Antibody with Index
Quest Diagnostics San Juan Capistrano Inc.