Australian encephalitis
- A83.4 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 A83.4 became effective on October 1, 2023.
- This is the American ICD-10-CM version of A83.4 – other international versions of ICD-10 A83.4 may differ.
Applicable To
- Kunjin virus disease
The following code(s) above A83.4 contain annotation back-references
that may be applicable to A83.4:
- A00-B99 Certain infectious and parasitic diseases
- A80-A89 Viral and prion infections of the central nervous system
- A83 Mosquito-borne viral encephalitis
Approximate Synonyms
- Murray valley encephalitis
ICD-10-CM A83.4 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 A83.4 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 A83.4:
- Arboencephalitis, Australian A83.4
- Australian
- X disease A83.4
- Disease, diseased – see also Syndrome
- viral, virusB34.9 – see also Disease, by type of virus
- Kunjin A83.4
- Australian X A83.4
- viral, virusB34.9 – see also Disease, by type of virus
- Encephalitis (chronic) (hemorrhagic) (idiopathic) (nonepidemic) (spurious) (subacute) G04.90
- viral, virusA86
- arthropod-borne NECA85.2
- mosquito-borneA83.9
- Australian X disease A83.4
- Murray Valley A83.4
- mosquito-borneA83.9
- arthropod-borne NECA85.2
- Australian A83.4
- Murray Valley A83.4
- viral, virusA86