All ICD10 Codes

A05.1

Billable
ChapterA00–B99
Ranksubcategory
Official Description

Botulism food poisoning

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).

Instructional Notes

Includes
  • Botulism NOS
  • Classical foodborne intoxication due to Clostridium botulinum
Excludes1(Not coded here)
General instructions are available for the parent sections:
View CH1 NotesView A05 Notes

Clinical Hierarchy

CH1Certain infectious and parasitic diseases (A00-B99)
A00-A09Intestinal infectious diseases (A00-A09)
A05Other bacterial foodborne intoxications, not elsewhere classified
A05.1Botulism food poisoning

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to A05.1:

categoryA05
Other bacterial foodborne intoxications, not elsewhere classified
View context instructions
chapterCH1
Certain infectious and parasitic diseases (A00-B99)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to A05.1. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

9 raw paths
Botulism (foodborne intoxication)1 unique routes
Direct index entry→A05.1
Enteritis (acute) (diarrheal) (hemorrhagic) (noninfective)1 unique routes
Clostridium
botulinum (food poisoning)→A05.1
Infection, infected, infective (opportunistic)1 unique routes
Clostridium NEC
botulinum (food poisoning)→A05.1
Intoxication2 unique routes
foodborne(2 variants)
classical (Clostridium botulinum)→A05.1
due to
Clostridium
botulinum→A05.1
Poisoning (acute)4 unique routes
Bacillus B (aertrycke) (cholerae (suis)) (paratyphosus) (suipestifer)
botulinus→A05.1
botulism→A05.1
Clostridium botulinum→A05.1
food NEC
due to
Bacillus (aertrycke) (choleraesuis) (paratyphosus) (suipestifer)
botulinus→A05.1

MS-DRG Classification

2026 v43.1

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

DRG 867
Other Infectious and Parasitic Diseases Diagnoses with MCC
DRG 868
Other Infectious and Parasitic Diseases Diagnoses with CC
DRG 869
Other Infectious and Parasitic Diseases Diagnoses without CC/MCC

Cross Reference

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