A50.4
Header — not billableLate congenital neurosyphilis [juvenile neurosyphilis]
The ICD-10 code for late congenital neurosyphilis [juvenile neurosyphilis] is A50.4.
A50.4 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 7 more specific codes below.
Clinical notes
Excludes1 (not coded here)
An Excludes1 note is a pure exclusion: the excluded condition and this code should never be reported together, because the two conditions cannot occur at the same time (e.g. a congenital form vs. an acquired form of the same disease).
- Hutchinson's triad (A50.53)
Use additional code
This code represents an underlying condition. When a related manifestation is also present, coding convention calls for an additional code to be listed after this one.
- code to identify any associated mental disorder
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •Confirm the excluded condition(s) listed above are not also present — Excludes1 conditions cannot be coded together with this one.
- •If the associated manifestation or related condition noted above is also documented, an additional code should be reported alongside this one.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Child codes under A50.4
- A50.40Late congenital neurosyphilis, unspecified
- A50.41Late congenital syphilitic meningitis
- A50.42Late congenital syphilitic encephalitis
- A50.43Late congenital syphilitic polyneuropathy
- A50.44Late congenital syphilitic optic nerve atrophy
- A50.45Juvenile general paresis
- A50.49Other late congenital neurosyphilis
Related codes in this category
- A50.0Early congenital syphilis, symptomaticnon-billable header
- A50.1Early congenital syphilis, latent
- A50.2Early congenital syphilis, unspecified
- A50.3Late congenital syphilitic oculopathynon-billable header
- A50.5Other late congenital syphilis, symptomaticnon-billable header
- A50.6Late congenital syphilis, latent
- A50.7Late congenital syphilis, unspecified
- A50.9Congenital syphilis, unspecified
- A50.4Late congenital neurosyphilis [juvenile neurosyphilis]non-billable header