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HelpTest Code LABSTRATJCV JC Virus Antibody by ELISA, Serum with Reflex to Inhibition Assay
Additional Codes
| Test Name in EPIC | EPIC Test Code | Mnemonic | ARUP Test ID |
|---|---|---|---|
| Stratify JCV (W/Index) W/Reflex to Inhibition Assay | LABSTRATJCV | JCV AB | 3006254 |
Useful For/Utility
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.
Methodology
Enzyme-Linked Immunosorbent Assay (ELISA)
Specimen Requirements
Plain red or serum separator tube (SST). Also acceptable: Lavender (K2EDTA)
Transfer 1 mL serum or plasma to an ARUP standard transport tube
Specimen Transport Temperature
Ship Frozen
Day(s) Test Set Up
Varies -Reported 6-10 days
Performing Laboratory
ARUP forward to Quest Diagnostics
Test Classification and CPT Coding
CPT 86711; if reflexed, add 86711
Component LOINC:
JC Virus Index 100977-8
JC Virus Antibody 70173-0
Reference Values
By report