121.9 TREMATODE INFECTION NOS

Code Information

Diagnosis Code: 121.9

Short Description: Trematode infection NOS

Long Description: Trematode infection, unspecified

Code Classification:

  • Infectious and parasitic diseases (001–139)
    • Helminthiases (120-129)
      • 121 Other trematode infections
        • 121.9 Trematode infection NOS

Code Version: 2015 ICD-9-CM

References to Index of Diseases and Injuries

The code 121.9 has the following ICD-9-CM references to the Index of Diseases and Injuries
  • Distomiasis 121.9
    • bile passages 121.3
      • due to Clonorchis sinensis 121.1
    • hemic 120.9
    • hepatic (liver) 121.3
      • due to Clonorchis sinensis (clonorchiasis) 121.1
    • intestinal 121.4
    • liver 121.3
      • due to Clonorchis sinensis 121.1
    • lung 121.2
    • pulmonary 121.2
  • Flukes NEC (see also Infestation, fluke) 121.9
    • blood NEC (see also Infestation, Schistosoma) 120.9
    • liver 121.3
  • Infection, infected, infective (opportunistic) 136.9
    • trematode NEC 121.9
  • Infestation 134.9
    • fluke 121.9
      • blood NEC (see also Schistosomiasis) 120.9
      • cat liver 121.0
      • intestinal (giant) 121.4
      • liver (sheep) 121.3
        • cat 121.0
        • Chinese 121.1
        • clonorchiasis 121.1
        • fascioliasis 121.3
        • oriental 121.1
      • lung (oriental) 121.2
      • sheep liver 121.3
    • trematode(s) NEC 121.9
  • Trematode infestation NEC 121.9
  • Trematodiasis NEC 121.9

Crosswalk Information

The code 121.9 converts into the following ICD-10 code(s):
ICD-9 Code ICD-10 Code ICD-10 Description
121.9 Right Arrow B66.9 Fluke infection, unspecified
This ICD-9 to ICD-10 data is based on the 2015 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

No. ICD-9 Code ICD-9 Description
1 121.0 Opisthorchiasis
2 121.1 Clonorchiasis
3 121.2 Paragonimiasis
4 121.3 Fascioliasis
5 121.4 Fasciolopsiasis
6 121.5 Metagonimiasis
7 121.6 Heterophyiasis
8 121.8 Other specified trematode infections

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