A52.1
Symptomatic neurosyphilis
Not billable — category only FY2026 2025-10-01 → 2026-09-30
Exclusions 8 never code together
A50-A64block
A00-B99chapter
Excludes1
- certain localized infections - see body system-related chapters
Excludes2
- carrier or suspected carrier of infectious disease (Z22.-)Z22.-
- infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)O98.-
- infectious and parasitic diseases specific to the perinatal period (P35-P39)P35-P39
- influenza and other acute respiratory infections (J00-J22)J00-J22
Excludes1 — never code together. The excluded condition and this one are mutually exclusive.
Excludes2 — not included here, but the patient may have both. Code both when documented.
Instructional notes 2
Index entries leading here filed at null
No alphabetic index entry points at this code.
Alongside this code 6 same parent — A52
Subordinate codes 9
A52.10 Symptomatic neurosyphilis, unspecified A52.11 Tabes dorsalis A52.12 Other cerebrospinal syphilis A52.13 Late syphilitic meningitis A52.14 Late syphilitic encephalitis A52.15 Late syphilitic neuropathy A52.16 Charcot's arthropathy (tabetic) A52.17 General paresis A52.19 Other symptomatic neurosyphilis
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.