1. ICD-10-CM Codes
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2. A00-B99
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3. A50-A64
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4. A52-
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5. 2023 ICD-10-CM Diagnosis Code A52.14

2023 ICD-10-CM Diagnosis Code A52.14

Late syphilitic encephalitis

2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

• A52.14 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• The 2023 edition of ICD-10-CM A52.14 became effective on October 1, 2022.
• This is the American ICD-10-CM version of A52.14 - other international versions of ICD-10 A52.14 may differ.

• Syphilitic encephalitis

• 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 A52.14 to ICD-9-CM

• 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

• Encephalitis (chronic) (hemorrhagic) (idiopathic) (nonepidemic) (spurious) (subacute) G04.90
  ICD-10-CM Diagnosis Code G04.90

  Encephalitis and encephalomyelitis, unspecified

  2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

  Applicable To

  • Ventriculitis (cerebral) NOS
  • in (due to)
    • syphilis
      • late A52.14
• Meningoencephalitis G04.90
  - see also Encephalitis
  ICD-10-CM Diagnosis Code G04.90

  Encephalitis and encephalomyelitis, unspecified

  2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

  Applicable To

  • Ventriculitis (cerebral) NOS
  • specific A52.14 (syphilitic)
  • syphilitic A52.14
• Meningomyelitis - see also Meningoencephalitis
  • syphilitic A52.14
• Myelitis (acute) (ascending) (childhood) (chronic) (descending) (diffuse) (disseminated) (idiopathic) (pressure) (progressive) (spinal cord) (subacute) G04.91
  - see also Encephalitis
  ICD-10-CM Diagnosis Code G04.91

  Myelitis, unspecified

  2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • syphilitic A52.14 (transverse)
• Syphilis, syphilitic (acquired) A53.9
  ICD-10-CM Diagnosis Code A53.9

  Syphilis, unspecified

  2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

  Applicable To

  • Infection due to Treponema pallidum NOS
  • Syphilis (acquired) NOS

  Type 1 Excludes

  • syphilis NOS under two years of age (A50.2)
  • meningoencephalitis A52.14

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.