A50.4
Non-billableLate congenital neurosyphilis [juvenile neurosyphilis]
A50.4 is the ICD-10-CM code for Late congenital neurosyphilis [juvenile neurosyphilis]. It is a non-billable category code — use a more specific child code such as A50.40 for billing.
A00-B99 Certain infectious and parasitic diseases
Excludes1 — not coded here
- •Hutchinson's triad (A50.53)
Use additional code
- •code to identify any associated mental disorder
Frequently asked questions
- What is ICD-10 code A50.4?
- A50.4 is the ICD-10-CM code for "Late congenital neurosyphilis [juvenile neurosyphilis]". It falls under A00-B99 Certain infectious and parasitic diseases.
- Is A50.4 a billable code?
- No — A50.4 is a non-billable header code. Use a more specific child code (such as A50.40) for billing.
- What are the subcodes of A50.4?
- A50.4 has 7 more specific child codes, including A50.40, A50.41, A50.42.
- What is excluded from A50.4?
- Excludes1 (not coded here): Hutchinson's triad (A50.53).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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