A68.9 Relapsing fever, unspecified

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

Applies from A68 Relapsing fevers

Includes

• recurrent fever

Excludes2 (not included here)

• Lyme disease (A69.2-)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 087.9 Relapsing fever, unspecified

Diagnosis Index entries for A68.9

• Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) › relapsing (Borrelia)
• Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) › relapsing (Borrelia) › Koch's
• Koch's › relapsing fever
• Novy's relapsing fever
• Relapsing fever
• Relapsing fever › Koch's
• Relapsing fever › Spirillum

Nearby codes

• A68 Relapsing fevers
• A68.0 Louse-borne relapsing fever
• A68.1 Tick-borne relapsing fever
• A68.9 Relapsing fever, unspecified (this code)