A28.1 Cat-scratch disease

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

Applicable to

• Cat-scratch fever

MS-DRG index

Defines the logic of DRG(s) 814-816 in MDC 16.

Approximate ICD-9-CM (GEMs)

• 078.3 Cat-scratch disease

Diagnosis Index entries for A28.1

• Cat-scratch › disease or fever
• Disease, diseased › cat-scratch
• Encephalitis (chronic) (hemorrhagic) (idiopathic) (nonepidemic) (spurious) (subacute) › due to › cat scratch disease
• Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) › cat-scratch
• Lymphoreticulosis, benign (of inoculation)

Nearby codes

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