A22.2 Gastrointestinal anthrax

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Applies from A22 Anthrax

Includes

• infection due to Bacillus anthracis

MS-DRG index

Defines the logic of DRG(s) 371-373 in MDC 06.

Approximate ICD-9-CM (GEMs)

• 022.2 Gastrointestinal anthrax

Diagnosis Index entries for A22.2

• Anthrax › colitis
• Anthrax › gastrointestinal
• Anthrax › intestinal
• Colitis (acute) (catarrhal) (chronic) (noninfective) (hemorrhagic) › anthrax

Nearby codes

• A22 Anthrax
• A22.0 Cutaneous anthrax
• A22.1 Pulmonary anthrax
• A22.2 Gastrointestinal anthrax (this code)
• A22.7 Anthrax sepsis
• A22.8 Other forms of anthrax
• A22.9 Anthrax, unspecified