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ICD-10-CM Code B66.5

Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.
| ICD-10 from 2011 - 2016

B66.5 is a billable ICD code used to specify a diagnosis of fasciolopsiasis. A 'billable code' is detailed enough to be used to specify a medical diagnosis.

The ICD code B665 is used to code Fasciolopsiasis

Fasciolopsiasis results from an infection by the trematode Fasciolopsis buski, the largest intestinal fluke of humans (up to 7.5 cm in length).

Specialty: Infectious Disease
MeSH Code: D014201
ICD 9 Code: 121.4

Eggs of Fasciolopsis buski

Source: Wikipedia

Coding Notes for B66.5 Info for medical coders on how to properly use this ICD-10 code

Inclusion Terms:
Inclusion Terms
Inclusion Terms are a list of concepts for which a specific code is used. The list of Inclusion Terms is useful for determining the correct code in some cases, but the list is not necessarily exhaustive.
Infection due to Fasciolopsis buski
Intestinal distomiasis

MS-DRG Mapping

  • DRG Group #441-443 - Disorders of liver except malig, cirr, alc hepa with MCC.
  • DRG Group #441-443 - Disorders of liver except malig, cirr, alc hepa with CC.
  • DRG Group #441-443 - Disorders of liver except malig, cirr, alc hepa without CC or MCC.

ICD-10-CM Alphabetical Index References for 'B66.5 - Fasciolopsiasis'

The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code B66.5. Click on any term below to browse the alphabetical index.

Fasciolopsis, fasciolopsiasis(intestinal) (B66.5)


Fasciolopsiasis (exact match)

This is the official exact match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that in all cases where the ICD9 code 121.4 was previously used, B66.5 is the appropriate modern ICD10 code.

Parent Code: B66 - Other fluke infections

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/B665