Casandra
Casandra Test Code LC43864Version 1 (DRAFT)
Performing Lab
Varicella Zoster Virus (VZV) Antibodies, Qualitative, IgM
Also known as: VZV IgM
Clinical Use
Order TestUse
Detect IgM antibodies specific for VZV. These IgM antibodies, if present, can help confirm a diagnosis of VZV acute infection. The IgM response to VZV can be detected at seven days postinfection and usually peaks at 14 days. If a patient presents more than nine days after the appearance of a rash, this assay should not be used. (See Varicella Zoster Virus (VZV) Antibodies, IgG [096206]).
Special Instructions
Not provided.
Limitations
Not provided.
Test Details
Methodology
Immunoassay (EIA)
Biomarkers
Varicella-Zoster Virus IgM
ProteinVaricella-Zoster Ab, IgM • Expression • Ordinal Score (e.g., TPS, CPS, H-score)
LOINC Codes
Order Codes
- 29662-4
Result Codes
- 29662-4
Result Turnaround Time
1-4 days
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Serum
Volume
1 mL
Minimum Volume
0.25 mL
Container
Red-top tube or gel-barrier tube
Storage Instructions
Maintain specimen at room temperature.
Causes for Rejection
Hemolysis; lipemia; gross bacterial contamination; plasma samples
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 14 days |
| Refrigerated | 14 days |
| Frozen | 14 days |