2024 ICD-10-CM Diagnosis Code A84.0

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Far Eastern tick-borne encephalitis [Russian spring-summer encephalitis]

  • A84.0 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • Short description: Far Eastern tick-borne encephalitis
  • The 2024 edition of ICD-10-CM A84.0 became effective on October 1, 2023.
  • This is the American ICD-10-CM version of A84.0 – other international versions of ICD-10 A84.0 may differ.

The following code(s) above A84.0 contain annotation back-references

 that may be applicable to A84.0:

  • A00-B99  Certain infectious and parasitic diseases
  • A80-A89  Viral and prion infections of the central nervous system
  • A84  Tick-borne viral encephalitis

Approximate Synonyms

  • Encephalitis due to far eastern tick-borne encephalitis virus
  • Far eastern tick-borne encephalitis

ICD-10-CM A84.0 is grouped within Diagnostic Related Group(s) (MS-DRG v41.0):

  • 023 Craniotomy with major device implant or acute complex cns principal diagnosis with mcc or chemotherapy implant or epilepsy with neurostimulator
  • 024 Craniotomy with major device implant or acute complex cns principal diagnosis without mcc
  • 097 Non-bacterial infection of nervous system except viral meningitis with mcc
  • 098 Non-bacterial infection of nervous system except viral meningitis with cc
  • 099 Non-bacterial infection of nervous system except viral meningitis without cc/mcc

Convert A84.0 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 A84.0: