A52.1

Non-billable

Symptomatic neurosyphilis

A52.1 is the ICD-10-CM code for Symptomatic neurosyphilis. It is a non-billable category code — use a more specific child code such as A52.10 for billing.

Status
Header (non-billable)
Chapter
A00-B99
Parent
A52
Subcodes
9
Edition
FY2026

A00-B99 Certain infectious and parasitic diseases

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code A52.1?
A52.1 is the ICD-10-CM code for "Symptomatic neurosyphilis". It falls under A00-B99 Certain infectious and parasitic diseases.
Is A52.1 a billable code?
No — A52.1 is a non-billable header code. Use a more specific child code (such as A52.10) for billing.
What are the subcodes of A52.1?
A52.1 has 9 more specific child codes, including A52.10, A52.11, A52.12.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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