121.0 OPISTHORCHIASIS


Code Information

Diagnosis Code: 121.0

Short Description: Opisthorchiasis

Long Description: Opisthorchiasis

Code Classification:

  • Infectious and parasitic diseases (001–139)
    • Helminthiases (120-129)
      • 121 Other trematode infections
        • 121.0 Opisthorchiasis

Code Version: 2015 ICD-9-CM


References to Index of Diseases and Injuries

The code 121.0 has the following ICD-9-CM references to the Index of Diseases and Injuries
  • Infection, infected, infective (opportunistic) 136.9
    • cat liver fluke 121.0
    • Opisthorchis (felineus) (tenuicollis) (viverrini) 121.0
  • Infestation 134.9
    • cat liver fluke 121.0
    • fluke 121.9
      • cat liver 121.0
      • liver (sheep) 121.3
        • cat 121.0
    • Opisthorchis (felineus) (tenuicollis) (viverrini) 121.0
  • Opisthorchiasis (felineus) (tenuicollis) (viverrini) 121.0

Crosswalk Information

The code 121.0 converts into the following ICD-10 code(s):
ICD-9 Code ICD-10 Code ICD-10 Description
121.0 Right Arrow B66.0 Opisthorchiasis
This ICD-9 to ICD-10 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-9 Code ICD-9 Description
121.1 Clonorchiasis
121.2 Paragonimiasis
121.3 Fascioliasis
121.4 Fasciolopsiasis
121.5 Metagonimiasis
121.6 Heterophyiasis
121.8 Other specified trematode infections
121.9 Trematode infection, unspecified


This page was last updated on: 10/1/2014