A22.0 Cutaneous anthrax

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

Applicable to

• Malignant carbuncle
• Malignant pustule

Applies from A22 Anthrax

Includes

• infection due to Bacillus anthracis

MS-DRG index

Defines the logic of DRG(s) 606-607 in MDC 09.

Approximate ICD-9-CM (GEMs)

• 022.0 Cutaneous anthrax

Diagnosis Index entries for A22.0

• Anthrax › cutaneous
• Carbuncle › malignant
• Furuncle › malignant
• Pustule (nonmalignant) › malignant

Nearby codes

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