ICD-11 classes
01 Certain infectious or parasitic diseases
Predominantly sexually transmitted infections
1A62 — Late syphilis
1A62.0 — Neurosyphilis
1A62.01 — Symptomatic late neurosyphilis

ICD-11 1A62.01 — Symptomatic late neurosyphilis

A diverse constellation of neuropsychiatric signs resulting from prolonged untreated or inadequately treated syphilis. The protean clinical manifestations include chronic, insidious meningeal inflammation with cranial nerve palsy, cognitive and/or behavioural impairment, ataxia, stroke, seizures and visual or auditory impairment.

The diagnosis includes nothing.

The diagnosis excludes nothing.

It has no clarifying diagnoses.

The diagnosis is coded elsewhere:

The diagnosis is included in 2 other classes.

  • Dementia due to neurosyphilis (6D85.Y)
  • Meningitis due to Treponema pallidum (1D01.0Y)

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