A50.4
⚠ Non-billable (Header)Late congenital neurosyphilis [juvenile neurosyphilis]
Certain infectious and parasitic diseases (A00-B99)
⚠️ This is a category header code — not billable. Use a more specific child code below.
📋 Code Instructions
- • code to identify any associated mental disorder
❌ Excludes1
directCannot be coded with A50.4
- • Hutchinson's triad (A50.53)
Child Codes (7)
A50.40Late congenital neurosyphilis, unspecifiedA50.41Late congenital syphilitic meningitisA50.42Late congenital syphilitic encephalitisA50.43Late congenital syphilitic polyneuropathyA50.44Late congenital syphilitic optic nerve atrophyA50.45Juvenile general paresisA50.49Other late congenital neurosyphilis
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CodeA50.4
BillableNo — Header code
ParentA50
CategoryCertain infectious and parasitic diseases (A00-B99)
Excludes11 rule(s)
Excludes20 note(s)
Child codes7
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)