A52.1Header code — not billable
Symptomatic neurosyphilis
- Chapter
- 1. Certain infectious and parasitic diseases
- Category
- A52
- Effective date
- October 1, 2026
Related codes in category A52
A52Late syphilisA52.0Cardiovascular and cerebrovascular syphilisA52.00Cardiovascular syphilis, unspecifiedYesA52.01Syphilitic aneurysm of aortaYesA52.02Syphilitic aortitisYesA52.03Syphilitic endocarditisYesA52.04Syphilitic cerebral arteritisYesA52.05Other cerebrovascular syphilisYesA52.06Other syphilitic heart involvementYesA52.09Other cardiovascular syphilisYesA52.10Symptomatic neurosyphilis, unspecifiedYesA52.11Tabes dorsalisYes
Frequently asked questions
What is ICD-10 code A52.1?
A52.1 is an ICD-10-CM diagnosis code for Symptomatic neurosyphilis.
Is A52.1 a billable code?
No. A52.1 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is A52.1 in?
A52.1 falls under Chapter 1: Certain infectious and parasitic diseases.
When did A52.1 become effective?
A52.1 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to A52.1?
A52.1 belongs to category A52, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.