1F86.2

ICD-11 MMS 2026-01

Schistosomiasis due to Schistosoma japonicum

Description

A disease caused by an infection with the parasitic worm Schistosoma japonicum. This disease is characterised by Katayama fever, hepatic perisinusoidal egg granulomas, Symmers’ pipe stem periportal fibrosis, or portal hypertension. This disease may also present with embolic egg granulomas in the brain or spinal cord. Transmission is by direct contact with freshwater that has been contaminated with Schistosoma japonicum eggs or snails that carry Schistosoma japonicum. Confirmation is by identification of the Schistosoma japonicum eggs in a faecal sample.

Index terms

  • Schistosomiasis due to Schistosoma japonicum
  • Asiatic schistosomiasis
  • Katayama disease
Show allHide
  • Katayama fever
  • Katayama syndrome
  • Oriental schistosomiasis
  • eastern schistosomiasis
  • schistosoma japonicum infection
  • schistosomiasis japonicum
  • Granuloma of brain due to schistosoma japonicum
  • Encephalitis due to Schistosoma japonicum
  • Myelitis due to japonicum

Inclusions

  • Asiatic schistosomiasis

Exclusions from above levels

  • NE83.1 – Infection arising from device, implant or graft, not elsewhere classified

Sibling codes

  • 1F86.0 – Schistosomiasis due to Schistosoma haematobium
  • 1F86.1 – Schistosomiasis due to Schistosoma mansoni
  • 1F86.3 – Other schistosomiases
  • 1F86.4 – Cercarial dermatitis
  • 1F86.5 – Schistosomal pneumonitis
  • 1F86.Z – Schistosomiasis due to unspecified or unknown Schistosoma species

Foundation entity

Schistosomiasis due to Schistosoma japonicum – http://id.who.int/icd/entity/1139567957

Allowed postcoordination axes

Part of: 1F86: Schistosomiasis › 01: Certain infectious or parasitic diseases