B66.9

Billable
ChapterA00–B99
Ranksubcategory
Official Description

Fluke infection, unspecified

Metadata & Insights
  • 2026 ICD-10-CM Edition - Effective October 1, 2025.
  • Billable/specific code (valid for reimbursement).
  • Chapter 1: Certain Infectious and Parasitic Diseases (A00-B99).
General instructions are available for the parent sections:

Clinical Hierarchy

CH1Certain infectious and parasitic diseases (A00-B99)
B65-B83Helminthiases (B65-B83)
B66Other fluke infections
B66.9Fluke infection, unspecified

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to B66.9:

chapterCH1
Certain infectious and parasitic diseases (A00-B99)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to B66.9. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

2 raw paths
Distomiasis1 unique routes
Direct index entryB66.9
Infestation1 unique routes

MS-DRG Classification

2026 v43.1

Cross Reference

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