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Test Name:
Hepatitis A Virus IgM Antibody
- SBMF No:
28214 - Performance Lab Name:
Immunology - Test Mnemonic:
HAV IGM - ABN:
May be required – Medical Necessity - CPT Code:
86709 - LOINC Code:
13950-1 - Also Known As:
Anti-HAV, IgM
HAV IgM Ab - Also See:
28178 Hepatitis A Virus Total Antibodies
28280 Hepatitis A Virus Total Antibodies, with IgM Antibody if indicated - Spec Type:
Serum - Spec Container:
Gold top (SST) or red top (serum) tube - Alt Spec Type:
Plasma - Alt Spec Container:
Lavender top (EDTA) tube
Note: Green top (lithium heparin) tube eliminated 05/17/06 - Pref Vol:
1.0 mL - Min Vol:
0.5 mL - Fasting:
No - Spec Collect:
Routine venipuncture - Spec Process:
Serum sample tubes, clot 30 minutes
Promptly centrifuge 15 minutes
Immediately transfer serum or plasma to separate plastic tube
Properly centrifuged gel barrier tube sample does not require transfer of serum to separate tube - Spec Store Transport:
Refrigerated - Spec Stability:
5 days refrigerated (2-8°C)
Greater than 5 days, freeze (-20°C) – Do not use frost-free units that undergo repeated freeze/thaw cycles - Spec Reject:
Heat-inactivated sample - Methodology:
Microparticle Enzyme Immunoassay (MEIA) - Use:
Detect presence of IgM-specific HAV antibody to diagnose either a current or recent HAV infection (IgM specific); this test is indicated when acute hepatitis A infection is suspected - Clinical Significance:
The serologic diagnosis of acute hepatitis A virus (HAV) infection depends upon the demonstration of IgM-specific anti-HAV. This antibody usually appears about 4 weeks after infection and may persist for up to 4 months after the onset of clinical symptoms. - Reference Range:
Non-Reactive - Day Run:
Tue, Thu, Sat - Time Run:
8:00 am - Time Reported:
5:00 pm - Test Type:
INFECTIOUS ANTIBODY
