U.S. ICD-10-CM · FY 2027

B81 ICD-10-CM Code: Other intestinal helminthiases, not elsewhere classified

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

Code definition

Official description

B81

Other intestinal helminthiases, not elsewhere classified

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

Classification

Where B81 sits

  1. 1

    Chapter 1

    Certain infectious and parasitic diseases (A00-B99)

  2. 2

    Section

    Helminthiases (B65-B83)

  3. 3

    Category B81

    Other intestinal helminthiases, not elsewhere classified

  4. 4

    Code B81

    Other intestinal helminthiases, not elsewhere classified

More specific choices

Codes under B81

B81 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 B81.

Code first

No “code first” instruction is listed for B81.

Use additional code

No “use additional code” instruction is listed for B81.

Excludes1

Conditions that should not be reported together with this code.

  • angiostrongyliasis due to:
  • Angiostrongylus cantonensis (B83.2)
  • Parastrongylus cantonensis (B83.2)

Excludes2

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

No Excludes2 note is listed for B81.

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 B81 mean?

B81 is the FY 2027 U.S. ICD-10-CM code for “Other intestinal helminthiases, not elsewhere classified.”

Is B81 a billable or specific ICD-10-CM code?

No. B81 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 B81 located in ICD-10-CM?

B81 is listed in Chapter 1, Certain infectious and parasitic diseases (A00-B99), within Helminthiases (B65-B83) (B65–B83), under category B81, Other intestinal helminthiases, not elsewhere classified.

What coding notes are listed for B81?

No inclusion terms are listed for B81 in this reference record. No code-first instruction is listed. Excludes1 notes: angiostrongyliasis due to:; Angiostrongylus cantonensis (B83.2); Parastrongylus cantonensis (B83.2). No Excludes2 note is listed.

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