All ICD10 Codes

A22.2

Billable
ChapterA00–B99
Ranksubcategory
Official Description

Gastrointestinal anthrax

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:
View CH1 NotesView A22 Notes

Clinical Hierarchy

CH1Certain infectious and parasitic diseases (A00-B99)
A20-A28Certain zoonotic bacterial diseases (A20-A28)
A22Anthrax
A22.2Gastrointestinal anthrax

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to A22.2:

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

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to A22.2. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

4 raw paths
Anthrax3 unique routes
colitis→A22.2
gastrointestinal→A22.2
intestinal→A22.2
Colitis (acute) (catarrhal) (chronic) (noninfective) (hemorrhagic)1 unique routes
anthrax→A22.2

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 371
Major Gastrointestinal Disorders and Peritoneal Infections with MCC
DRG 372
Major Gastrointestinal Disorders and Peritoneal Infections with CC
DRG 373
Major Gastrointestinal Disorders and Peritoneal Infections without CC/MCC

Cross Reference

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