Diagnosis Code


Code Information

Diagnosis Code: B66.9

Short Description: Fluke infection, unspecified

Long Description: Fluke infection, unspecified

The code B66.9 is VALID for claim submission

Code Classification:

  • Certain infectious and parasitic diseases (A00–B99)
    • Helminthiases (B65-B83)
      • Other fluke infections (B66)
        • B66.9 Fluke infection, unspecified

Code Version: 2018 ICD-10-CM


  • Fasciolopsis buski or Fasciola hepatica
  • Liver fluke infection
  • Trematode infection

Diagnostic Related Group(s)

The code B66.9 is grouped in the following Diagnostic Related Group(s) (MS-DRG v34.0)
  • Other Infectious And Parasitic Diseases Diagnoses With Mcc (867)
  • Other Infectious And Parasitic Diseases Diagnoses With Cc (868)
  • Other Infectious And Parasitic Diseases Diagnoses Without Cc/mcc (869)

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
B66.9 Right Arrow 121.9 Trematode infection NOS
This ICD-10 to ICD-9 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-10 Code ICD-10 Description
B66 Other fluke infections
B66.0 Opisthorchiasis
B66.1 Clonorchiasis
B66.2 Dicroceliasis
B66.3 Fascioliasis
B66.4 Paragonimiasis
B66.5 Fasciolopsiasis
B66.8 Other specified fluke infections

This page was last updated on: 1/1/2018