Test Findings
 

Hepatitis A Serology

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Overview

  • Most hepatitis A assays measure both IgM and IgG levels.
  • Hepatitis A IgM is detectable at the time of symptom onset, after an incubation period of 14-28 days.
  • Hepatitis A IgG develops later and persists for a long period of time, and its presence is indicative of vaccination or past infection.
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