U.S. ICD-10-CM · FY 2027

B66 ICD-10-CM Code: Other fluke infections

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

B66

Other fluke infections

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where B66 sits

  1. 1

    Chapter 1

    Certain infectious and parasitic diseases (A00-B99)

  2. 2

    Section

    Helminthiases (B65-B83)

  3. 3

    Category B66

    Other fluke infections

  4. 4

    Code B66

    Other fluke infections

More specific choices

Codes under B66

B66 is a non-billable category. Choose the child code that best matches the documented diagnosis.

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for B66.

Code first

No “code first” instruction is listed for B66.

Use additional code

No “use additional code” instruction is listed for B66.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for B66.

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for B66.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code B66 mean?

B66 is the FY 2027 U.S. ICD-10-CM code for “Other fluke infections.”

Is B66 a billable or specific ICD-10-CM code?

No. B66 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is B66 located in ICD-10-CM?

B66 is listed in Chapter 1, Certain infectious and parasitic diseases (A00-B99), within Helminthiases (B65-B83) (B65–B83), under category B66, Other fluke infections.

What coding notes are listed for B66?

No inclusion terms are listed for B66 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.

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