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Hepatitis A virus, IgM Antibody
|In House Availability||Twice per week|
|Method||Microparticle Chemiluminescent Immunoassay|
|Container type||Gold top|
|Amount to Collect||1 mL blood|
|Preferred volume||0.5 mL serum|
|Processing notes||Refrigerate serum.|
|Synonyms||HAV IgM Antibody; HAV IgM Ab; HAAb; anti-HAV antibody|
|Stability||Refrigerated 6 days|
|Turn around times||1-4 days|
|Additional information||This is the test of choice for the diagnosis of acute HAV infection; it is positive at the time a patient presents with clinical illness. The IgM antibody persists for up to 6 months, and a negative IgM antibody test rules out acute HAV infection in an immunocompetent subject.
For determination of immunity or vaccine response 'HAV Ab, Total' is the appropriate test to order
Positive results are automatically forwarded to California public health per regulations. However, this does not absolve the ordering provider from any additional reporting if such is required.
|Last Updated||5/26/2015 1:11:11 PM|