A25.9 Rat-bite fever, 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)

• 026.9 Unspecified rat-bite fever

Diagnosis Index entries for A25.9

• Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) › rat-bite
• Rat-bite fever

Nearby codes

• A25 Rat-bite fevers
• A25.0 Spirillosis
• A25.1 Streptobacillosis
• A25.9 Rat-bite fever, unspecified (this code)