A52.14
Late syphilitic encephalitis
Billable 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 5
- Encephalitis (chronic) (hemorrhagic) (idiopathic) (nonepidemic) (spurious) (subacute) G04.90
- in (due to)
- syphilis
- late A52.14
- syphilis
- in (due to)
- Syphilis, syphilitic (acquired) A53.9
- meningoencephalitis A52.14
- Meningoencephalitis G04.90
- Meningomyelitis — see also Meningoencephalitis
- syphilitic A52.14
- Myelitis (acute) (ascending) (childhood) (chronic) (descending) (diffuse) (disseminated) (idiopathic) (pressure) (progressive) (spinal cord) (subacute) G04.91
- syphilitic (transverse) A52.14
Alongside this code 8 same parent — A52.1
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.