Skip directly to search Skip directly to A to Z list Skip directly to navigation Skip directly to page options Skip directly to site content

Hepatitis B, Acute
2000 Case Definition

NOTE: A surveillance case definition is a set of uniform criteria used to define a disease for public health surveillance. Surveillance case definitions enable public health officials to classify and count cases consistently across reporting jurisdictions. Surveillance case definitions are not intended to be used by healthcare providers for making a clinical diagnosis or determining how to meet an individual patient’s health needs.

Clinical Description

An acute illness with a) discrete onset of symptoms and b) jaundice or elevated serum aminotransferase levels

Laboratory Criteria for Diagnosis

  • Immunoglobulin M (IgM) antibody to hepatitis B core antigen (anti-HBc) positive, OR
  • Hepatitis B surface antigen (HBsAg) positive
IgM anti-HAV negative (if done)

Case Classification


A case that meets the clinical case definition and is laboratory confirmed