A50.4
ICD-10Non-billable categoryLate congenital neurosyphilis [juvenile neurosyphilis]
Official ICD-10-CM descriptor (FY2026)
Late congenital neurosyphilis [juvenile neurosyphilis]
A50.4 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
Excludes1
Not coded here. An Excludes1 code should never be reported at the same time as the code above it.
- Hutchinson's triad (A50.53)
Use additional code
Report an additional code to identify the associated condition.
- code to identify any associated mental disorder
ICD-10-CM FY2026 defines 7 codes beneath A50.4. See the ICD-10-CM index for what this site publishes.
Related codes in A50
- A50.0Early congenital syphilis, symptomaticcategory
- A50.1Early congenital syphilis, latent
- A50.2Early congenital syphilis, unspecified
- A50.3Late congenital syphilitic oculopathycategory
- A50.5Other late congenital syphilis, symptomaticcategory
- A50.6Late congenital syphilis, latent
- A50.7Late congenital syphilis, unspecified
- A50.9Congenital syphilis, unspecified
Where this code sits
- Parent code
- A50
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.