A28.9 Zoonotic bacterial disease, unspecified

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

MS-DRG index

Defines the logic of DRG(s) 867-869 in MDC 18.

Approximate ICD-9-CM (GEMs)

• 027.9 Unspecified zoonotic bacterial disease

Diagnosis Index entries for A28.9

• Disease, diseased › bacterial › zoonotic
• Disease, diseased › zoonotic, bacterial
• Infection, infected, infective (opportunistic) › zoonotic bacterial NOS
• Vibriosis

Nearby codes

• A28 Other zoonotic bacterial diseases, not elsewhere classified
• A28.0 Pasteurellosis
• A28.1 Cat-scratch disease
• A28.2 Extraintestinal yersiniosis
• A28.8 Other specified zoonotic bacterial diseases, not elsewhere classified
• A28.9 Zoonotic bacterial disease, unspecified (this code)