2024 ICD-10-CM Diagnosis Code A50.4

Late congenital neurosyphilis [juvenile neurosyphilis]

  • A50.4 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2024 edition of ICD-10-CM A50.4 became effective on October 1, 2023.
  • This is the American ICD-10-CM version of A50.4 – other international versions of ICD-10 A50.4 may differ.

Use Additional

  • code to identify any associated mental disorder

Type 1 Excludes

The following code(s) above A50.4 contain annotation back-references

 that may be applicable to A50.4:

  • A00-B99  Certain infectious and parasitic diseases
  • A50-A64  Infections with a predominantly sexual mode of transmission

Code 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

Code annotations containing back-references to A50.4:

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