2024 ICD-10-CM Diagnosis Code A68.1

Tick-borne relapsing fever

  • A68.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2024 edition of ICD-10-CM A68.1 became effective on October 1, 2023.
  • This is the American ICD-10-CM version of A68.1 – other international versions of ICD-10 A68.1 may differ.

Applicable To

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

The following code(s) above A68.1 contain annotation back-references

 that may be applicable to A68.1:

  • A00-B99  Certain infectious and parasitic diseases
  • A65-A69  Other spirochetal diseases
  • A68  Relapsing fevers

Approximate Synonyms

  • Relapsing fever, tickborne

ICD-10-CM A68.1 is grouped within Diagnostic Related Group(s) (MS-DRG v41.0):

  • 867 Other infectious and parasitic diseases diagnoses with mcc
  • 868 Other infectious and parasitic diseases diagnoses with cc
  • 869 Other infectious and parasitic diseases diagnoses without cc/mcc

Convert A68.1 to ICD-9-CMCode History

  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change
  • 2024 (effective 10/1/2023): No change

Diagnosis Index entries containing back-references to A68.1:

  • African
    • tick fever A68.1
  • Carter’s relapsing fever A68.1 (Asiatic)
  • Dutton’s relapsing fever A68.1 (West African)
  • Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) R50.9
    • relapsing (Borrelia) A68.9
      • Novy’s
        • tick-borne A68.1
      • Carter’s A68.1 (Asiatic)
      • Dutton’s A68.1 (West African)
      • tick-borne A68.1
    • African tick-borne A68.1
    • mianeh A68.1
    • South African tick-bite A68.1
  • Novy’s relapsing feverA68.9
    • tick-borne A68.1
  • Relapsing feverA68.9
    • Carter’s A68.1 (Asiatic)
    • Dutton’s A68.1 (West African)
    • Novy’s A68.1 (American)
    • tick-borne A68.1 (endemic)