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HelpTest Code VZM Varicella Zoster IgM
Additional Codes
| Epic Ordering Code | LAB163 |
| NBS code | LBC13391 |
| Service code | 31766 |
Specimen Requirements
Submit only one of the following:
| Preferred: | Acceptable: |
| Yellow Top | Red Top |
Processing Requirements
Allow specimen to clot for 30 mins and centrifuge within 2 hours
Specimen type: Serum
Volume: 0.5mL
Specimen Stability
| Specimen Type | Serum |
|---|---|
| Ambient | 2 days |
| Refrigerate | 2 weeks (preferred) |
| Frozen | 1 year |
Specimen Condition
| Haemolysis | OK |
|---|---|
| Icterus | OK |
| Lipaemia | OK |
| Others | Not applicable |
Methodology
Enzyme Immunoassay
Days and Times Performed
Tuesday, TAT 2 - 8 days
Reference Interval
Non-reactive
Testing Laboratory
National University Hospital
Clinical Chemistry, 67724346
Useful For
A “reactive” result suggests current or recent exposure to Varicella zoster
Update
Last updated 28/07/2026
LOINC Code Information
29662-4
Alias
VZV Antibody IgM
Varicella-Zoster Virus Antibody IgM