Varicella Zoster Virus (VZV) Antibodies Blood Test, Quantitative, IgM
A VZV antibodies blood test, quantitative, IgM detects IgM antibodies specific for VZV. These IgM antibodies, if present, can help confirm a diagnosis of VZV acute infection.
Description
This test is used to detect VZV-specific IgM antibodies. If present, these IgM antibodies can help confirm an acute VZV infection diagnosis. The IgM response to VZV can be detected at a post-infection seven days, and usually peaks 14 days. If a patient shows up more than nine days after a rash appears, this assay should not be used.