B66.0
Billable codeOpisthorchiasis
The ICD-10 code for opisthorchiasis is B66.0.
Clinical notes
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Infection due to cat liver fluke
- Infection due to Opisthorchis (felineus)(viverrini)
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 1210
Associated MS-DRGs
B66.0 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.
- DRG 393Other Digestive System Diagnoses with MCC
- DRG 394Other Digestive System Diagnoses with CC
- DRG 395Other Digestive System Diagnoses without CC/MCC
- DRG 441Disorders of Liver Except Malignancy, Cirrhosis or Alcoholic Hepatitis with MCC
- DRG 442Disorders of Liver Except Malignancy, Cirrhosis or Alcoholic Hepatitis with CC
- DRG 443Disorders of Liver Except Malignancy, Cirrhosis or Alcoholic Hepatitis without CC/MCC