2024 ICD-10-CM Diagnosis Code A84.81

by

Powassan virus disease

  • A84.81 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 A84.81 became effective on October 1, 2023.
  • This is the American ICD-10-CM version of A84.81 – other international versions of ICD-10 A84.81 may differ.

The following code(s) above A84.81 contain annotation back-references

 that may be applicable to A84.81:

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

ICD-10-CM A84.81 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

Code History

  • 2021 (effective 10/1/2020): New code
  • 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 A84.81: