ICD-11 classes
01 Certain infectious or parasitic diseases
Viral hepatitis
1E51 — Chronic viral hepatitis
1E51.0 — Chronic hepatitis B

ICD-11 1E51.0 — Chronic hepatitis B

A liver disease characterised by liver inflammation and fibrosis caused by more than 6 months of infection with the hepatitis B virus. Even at stage of cirrhosis there are often no symptoms. Otherwise, clinical features include fatigue, hard liver edge and complications of cirrhosis (muscle wasting, ascites, splenomegaly/portal hypertension). Transmission is by blood and body fluid contamination, sexual transmission, and from mother to baby at the time of birth (vertical transmission). Confirmation of the diagnosis is by detection of HBsAg, but assessment of severity, prognosis and indication for treatment requires quantification of HBV DNA in serum.

The diagnosis includes nothing.

The diagnosis excludes nothing.

Diagnosis with code 1E51.0 contains 3 clarifying diagnoses:

  1. 1E51.00 — Chronic hepatitis B with human immunodeficiency virus co-infection
  2. 1E51.0Y — Other specified chronic hepatitis B
  3. 1E51.0Z — Chronic hepatitis B, unspecified

The diagnosis is coded elsewhere:

The diagnosis is included in 2 other classes.

  • Chronic hepatitis B, co-infected with hepatitis D virus (1E51.2)
  • Hepatitis B surface antigen [HBsAg] carrier (1E51.Y)

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