Hepatitis A IgM Test
4,349 Kshs | Home Collection Available
Synonyms
Anti-HAV, IgM, Antibody to Hepatitis A Virus, IgM, HAVAb, IgM
Purpose
The Hepatitis A IgM Test is a blood test used to detect IgM antibodies produced in response to a recent HAV infection. It is typically prescribed for patients showing symptoms such as fatigue, jaundice, abdominal pain, or nausea. Detecting IgM antibodies helps confirm an acute or recent infection.
This test is important for early diagnosis and controlling the spread of Hepatitis A, especially in outbreaks or high-risk settings. The test can be combined with Liver function tests (LFTs), Total and direct bilirubin tests, and Hepatitis B and Hepatitis C panels.
Patient Preparation
The patient should not be taking a biotin supplement for at least 72 hours before sample collection.
Samples
1 mL Serum or plasma. Red-top tube, gel-barrier tube (preferred), or lavender-top (EDTA) tube. If the sample is not collected in a gel-barrier tube, separated plasma or serum should be transferred to a plastic transport tube. Samples are stable at room temperature and refrigeration for two weeks.
Reference Range
Negative
Results Turnaround
1-2 days after sample collection.
Diseases / Diagnostic Indicators
A positive Hepatitis A IgM test result indicates a recent or current Hepatitis A virus (HAV) infection, typically within the past 6 months. This means the patient’s immune system has recently responded to the virus, and the infection is likely in the acute phase.
A negative result suggests there is no recent infection, though it does not rule out past exposure. If needed, further testing (like Hepatitis A IgG) can help determine past infection or immunity.
The test is especially useful in diagnosing acute viral hepatitis in patients presenting with symptoms such as jaundice, fatigue, abdominal pain, loss of appetite, nausea, and dark urine. For more on the Hepatitis A IgM Testing, read this study.