Varicella Zoster Virus (VZV) Antibodies, Quantitative, IgM (096776)

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Turnaround Time: 1 - 4 days
CPT Code:


Test Type: 1 mL Serum
Stability Time:



Room temperature

14 days


14 days


14 days

Freeze/thaw cycles

Stable x3

Reference Range:

• Negative: <0.91 index

• Borderline: 0.91−1.09 index

• Positive: >1.09 index


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.

Collection Details:

Collection Instructions:

Red-top tube or gel-barrier tube.

Maintain specimen at room temperature.