A52.1
Symptomatic neurosyphilis
A52.1 is a non-billable ICD-10-CM code header for symptomatic neurosyphilis. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are A52.10 Symptomatic neurosyphilis, unspecified; A52.11 Tabes dorsalis; A52.12 Other cerebrospinal syphilis; A52.13 Late syphilitic meningitis and 5 more. Its coding notes include a Use additional code instruction, 2 Excludes1 entries and 6 Excludes2 entries.
Use additional code
Add the listed code as a secondary code, if known.
Excludes1
Not coded here. The listed conditions generally should not be reported together.
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
Also from chapter/block level (6 notes)
- human immunodeficiency virus [HIV] disease (B20)
- carrier or suspected carrier of infectious disease (Z22.-)
- certain localized infections - see body system-related chapters
- infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
- infectious and parasitic diseases specific to the perinatal period (P35-P39)
- influenza and other acute respiratory infections (J00-J22)
Includes
Further defines or gives examples of the content of the category.
Also from chapter/block level (1 note)
- diseases generally recognized as communicable or transmissible
More specific codes under A52.1 9
- A52.10Symptomatic neurosyphilis, unspecifiedBillable
- A52.11Tabes dorsalisBillable
- A52.12Other cerebrospinal syphilisBillable
- A52.13Late syphilitic meningitisBillable
- A52.14Late syphilitic encephalitisBillable
- A52.15Late syphilitic neuropathyBillable
- A52.16Charcôt's arthropathy (tabetic)Billable
- A52.17General paresisBillable
- A52.19Other symptomatic neurosyphilisBillable