National case definition: Hepatitis B
Date of last revision/review: May 2008
The following cases of disease should be notified:
- Confirmed acute
- Although it is recognized that chronic hepatitis B infections are not reportable in all provinces and territories, where possible, chronic and unspecified infections should be notified to the national level.
Type of surveillance
Routine case-by-case notification to the federal level
- Hepatitis B surface antigen (HBsAg) and immunoglobulin M antibody to hepatitis B core antigen (anti-HBcIgM) positive in the context of a compatible clinical history or probable exposure
- Clearance of HBsAg in a person who was documented to be HBsAg positive within the last six months in the context of a compatible clinical history or probable exposure
- HBsAg positive for more than 6 months
- Detection of HBsAg in the documented absence of anti-HBc-IgM
- Detection of HBV DNA for more than 6 months
- Does not fit the criteria for either case above
- HBsAg positive
- Detection of HBV DNA
Acute clinical illness in a person who is epidemiologically linked to a confirmed case
Occult HBV infection is characterized by a positive HBV DNA and presence of anti-HBc alone or anti-HBc and anti-HBs in the absence of HBsAg.
Further isolate characterization is indicated for epidemiologic public health and control purposes.
Acute clinical illness is characterized by a discrete onset of symptoms and jaundice or elevated serum aminotransferase levels. Chronic infections may present with disease flares with similar symptoms and signs.
B16 Acute hepatitis B
B16.0 Acute hepatitis B with delta-agent (coinfection) with hepatic coma
B16.1 Acute hepatitis B with delta-agent (coinfection) without hepatic coma
B16.2 Acute hepatitis B without delta-agent with hepatic coma
B16.9 Acute hepatitis B without delta-agent and without hepatic coma
Hepatitis B (acute) (viral) NOS
B18.0, Chronic viral hepatitis B with delta-agent
B18.1 Chronic viral hepatitis B without delta-agent
070.30 Hepatitis B (acute)
070.20 Hepatitis B (acute) with hepatic coma
070.21/31 Hepatitis B (acute) with hepatitis delta
V02.61 Hepatitis B (carrier status)
070.32 Hepatitis B (chronic)
070.22 Hepatitis B (chronic) with hepatic coma
070.23 Hepatitis B (chronic) with hepatitis delta
Public Health Agency of Canada. Case Definitions for Communicable Diseases under National Surveillance. Canada Communicable Disease Report. 2009; 35S2.
Report a problem or mistake on this page
- Date modified: