A79.1 Rickettsialpox due to Rickettsia akari

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

Applicable to

• Kew Garden fever
• Vesicular rickettsiosis

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 083.2 Rickettsialpox (approximate)

Diagnosis Index entries for A79.1

• Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) › Kew Garden
• Kew Garden fever
• Rickettsialpox (Rickettsia akari)
• Rickettsiosis › due to › Rickettsia akari (rickettsialpox)
• Rickettsiosis › vesicular

Nearby codes

• A79 Other rickettsioses
• A79.0 Trench fever
• A79.1 Rickettsialpox due to Rickettsia akari (this code)
• A79.8 Other specified rickettsioses
• A79.81 Rickettsiosis due to Ehrlichia sennetsu
• A79.82 Anaplasmosis [A. phagocytophilum]
• A79.89 Other specified rickettsioses
• A79.9 Rickettsiosis, unspecified