1F84ICD-11 MMS 2026-01
Opisthorchiasis
Description
A disease caused by an infection with the parasitic worm Opisthorchis. This disease is commonly asymptomatic. In mild cases, this disease may present with dyspepsia, abdominal pain, diarrhoea, or constipation; in severe cases, this disease may present with hepatomegaly and malnutrition; in rare cases, this disease may present with cholangitis, cholecystitis, and cholangiocarcinoma. Transmission is by ingestion of infected undercooked freshwater fish. Confirmation is by of identification Opisthorchis in a faecal sample.
Index terms
- Opisthorchiasis
- cat liver fluke disease
- cat liver fluke fever
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- cat liver fluke infestation
- infection by cat liver fluke
- infection by opisthorchis
- opisthorchiosis
- opisthorchis infestation
- Opisthorchiasis due to Opisthorchis viverrini
- infection by opisthorchis viverrini
- Opisthorchiasis due to Opisthorchis felineus
Exclusions from above levels
NE83.1– Infection arising from device, implant or graft, not elsewhere classified
Sibling codes
Foundation entity
Part of: 01: Certain infectious or parasitic diseases