All ICD10 Codes

B81

Non-Billable
ChapterA00–B99
Rankcategory
Official Description

Other intestinal helminthiases, not elsewhere classified

Use a more specific code (6 billable)
B81.0AnisakiasisB81.1Intestinal capillariasisB81.2TrichostrongyliasisB81.3Intestinal angiostrongyliasisB81.4Mixed intestinal helminthiasesB81.8Other specified intestinal helminthiases
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 1: Certain Infectious and Parasitic Diseases (A00-B99).

CH1 Parent Instructions

Includes
  • diseases generally recognized as communicable or transmissible
Excludes1(Not coded here. Use a different code.)
  • certain localized infections - see body system-related chapters
Excludes2(Not included here. Code separately if applicable.)
  • carrier or suspected carrier of infectious disease (Z22.-)
  • infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
  • infectious and parasitic diseases specific to the perinatal period (P35-P39)
  • influenza and other acute respiratory infections (J00-J22)
Use Additional Code
  • code to identify resistance to antimicrobial drugs (Z16.-)

Instructional Notes

Excludes1(Not coded here. Use a different code.)
  • angiostrongyliasis due to:
  • Angiostrongylus cantonensis (B83.2)
  • Parastrongylus cantonensis (B83.2)

Clinical Hierarchy

BillableHas subcodes
CH1Certain infectious and parasitic diseases (A00-B99)
B65-B83Helminthiases (B65-B83)
B81Other intestinal helminthiases, not elsewhere classifiedNot billable
B81.0AnisakiasisBillable
B81.1Intestinal capillariasisBillable
B81.2TrichostrongyliasisBillable
B81.3Intestinal angiostrongyliasisBillable
B81.4Mixed intestinal helminthiasesBillable
B81.8Other specified intestinal helminthiasesBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to B81:

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

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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