A05.9

Billable

ChapterA00–B99

Ranksubcategory

Official Description

Bacterial foodborne intoxication, unspecified

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 Notes View A05 Notes

Clinical Hierarchy

CH1Certain infectious and parasitic diseases (A00-B99)

A00-A09Intestinal infectious diseases (A00-A09)

A05Other bacterial foodborne intoxications, not elsewhere classified

A05.9Bacterial foodborne intoxication, unspecified

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to A05.9:

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 A05.9. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

10 raw paths

Creotoxism1 unique routes

Direct index entry→A05.9

Indigestion (acid) (bilious) (functional)1 unique routes

due to decomposed food NOS→A05.9

Intoxication3 unique routes

foodborne→A05.9(3 variants)

bacterial→A05.9

due to

bacterium→A05.9

Kreotoxism1 unique routes

Direct index entry→A05.9

Poisoning (acute)4 unique routes

bacterial toxins→A05.9

epidemic, fish (noxious)

bacterial→A05.9

food NEC→A05.9

kreotoxism, food→A05.9

MS-DRG Classification

2026 v43.1

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

DRG 391

Esophagitis, Gastroenteritis and Miscellaneous Digestive Disorders with MCC

DRG 392

Esophagitis, Gastroenteritis and Miscellaneous Digestive Disorders without MCC

Cross Reference

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