2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Infectious And Parasitic Diseases 001-139 > Helminthiases 120-129 > ICD-9-CM Diagnosis 121 Other trematode infections 121 is a non-specific code that cannot be used to specify a diagnosis ICD-9-CM Diagnosis 121.0 Opisthorchiasis Infection with flukes of the genus Opisthorchis. 121.0 is a specific code that can be used to specify a diagnosis 121.0 contains 7 index entries ICD-9-CM Diagnosis 121.1 Clonorchiasis Infection of the biliary passages with CLONORCHIS SINENSIS, also called Opisthorchis sinensis. It may lead to inflammation of the biliary tract, proliferation of biliary epithelium, progressive portal fibrosis, and sometimes bile duct carcinoma. Extension to the liver may lead to fatty changes and cirrhosis. 121.1 is a specific code that can be used to specify a diagnosis 121.1 contains 18 index entries ICD-9-CM Diagnosis 121.2 Paragonimiasis Infection with trematodes of the genus PARAGONIMUS. 121.2 is a specific code that can be used to specify a diagnosis 121.2 contains 10 index entries ICD-9-CM Diagnosis 121.3 Fascioliasis Liver disease caused by infections with parasitic flukes of the genus FASCIOLA, such as FASCIOLA HEPATICA. 121.3 is a specific code that can be used to specify a diagnosis 121.3 contains 17 index entries ICD-9-CM Diagnosis 121.4 Fasciolopsiasis 121.4 is a specific code that can be used to specify a diagnosis 121.4 contains 6 index entries ICD-9-CM Diagnosis 121.5 Metagonimiasis 121.5 is a specific code that can be used to specify a diagnosis 121.5 contains 5 index entries ICD-9-CM Diagnosis 121.6 Heterophyiasis 121.6 is a specific code that can be used to specify a diagnosis 121.6 contains 7 index entries ICD-9-CM Diagnosis 121.8 Other specified trematode infections 121.8 is a specific code that can be used to specify a diagnosis 121.8 contains 9 index entries ICD-9-CM Diagnosis 121.9 Trematode infection unspecified Infections caused by infestation with worms of the class Trematoda. 121.9 is a specific code that can be used to specify a diagnosis 121.9 contains 7 index entries