A68.1 Tick-borne relapsing fever

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

Applicable to

• Relapsing fever due to any Borrelia species other than Borrelia recurrentis

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)

• 087.1 Relapsing fever, tick-borne

Diagnosis Index entries for A68.1

• African › tick fever
• Carter's relapsing fever (Asiatic)
• Dutton's relapsing fever (West African)
• Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) › African tick-borne
• Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) › mianeh
• Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) › relapsing (Borrelia) › Carter's (Asiatic)
• Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) › relapsing (Borrelia) › Dutton's (West African)
• Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) › relapsing (Borrelia) › Novy's › tick-borne
• Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) › relapsing (Borrelia) › tick-borne
• Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) › South African tick-bite
• Novy's relapsing fever › tick-borne
• Relapsing fever › Carter's (Asiatic)
• Relapsing fever › Dutton's (West African)
• Relapsing fever › Novy's (American)
• Relapsing fever › tick-borne (endemic)

Nearby codes

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