ARUP's Laboratory Test Directory
| 0099314: Varicella-Zoster Virus Antibody, IgM |
| Test Mnemonic: VZM | |
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#ExistMethodology>
Methodology: Enzyme-Linked Immunosorbent Assay
*ExistMethodology> #ExistPerformed> Performed: Mon-Fri *ExistPerformed> #ExistReported> Reported: 1-5 days *ExistReported> |
| Specimen Required: | |
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#ExistCollect>
Collect: One 4 mL SST.
*ExistCollect> #ExistTransport> Transport: 1 mL serum at 2-8°C. (Min: 0.5 mL) Submit specimen in an ARUP Standard Transport Tube. *ExistTransport> #ExistPedCollectTransport> Pediatric Collection/Transport: 0.1 mL serum at 2-8°C. *ExistPedCollectTransport> #ExistRemarks> Remarks: Separate serum from cells ASAP. Acute and convalescent specimens must be labeled as such; parallel testing is preferred and convalescent specimens must be received within 30 days from receipt of the acute specimens. Please mark specimen plainly as "acute" or "convalescent." *ExistRemarks> #ExistConditions> Unacceptable Conditions: Severely lipemic, icteric, contaminated, heat-inactivated, or hemolyzed specimens. *ExistConditions> #ExistStability> Stability: After separation from cells: Ambient: 2 days; Refrigerated: 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles) *ExistStability> |
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| Reference Interval: |
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#ExistRefRange> 0.90 ISR or less: Negative - No significant level of detectable varicella-zoster virus IgM antibody. 0.91-1.09 ISR: Equivocal - Repeat testing in 10-14 days may be helpful. 1.10 ISR or greater: Positive - Significant level of detectable varicella-zoster virus IgM antibody. Indicative of current or recent infection. However, low levels of IgM antibodies may occasionally persist for more than 12 months post-infection or immunization. *ExistRefRange> |
| CPT Code(s): | |
| 86787 |