Other cerebrovascular syphilis

This code signifies a manifestation of tertiary syphilis affecting the cerebral vasculature, leading to various neurological deficits. It encompasses conditions such as syphilitic arteritis, which can result in stroke, transient ischemic attacks (TIAs), or other focal neurological signs due to compromised blood flow to the brain. The underlying etiology is an infection with Treponema pallidum.

Use this code when documentation clearly indicates a diagnosis of cerebrovascular syphilis, excluding specific forms like syphilitic parkinsonism or general paresis. This diagnosis is typically supported by a positive serological test for syphilis (e.g., VDRL, RPR, FTA-ABS) in conjunction with neurological symptoms and imaging findings consistent with cerebrovascular disease.

• Ensure documentation specifies "other" cerebrovascular syphilis to differentiate from more specific forms.
• Always code the underlying infectious agent (B97.89 for Treponema pallidum) as an additional diagnosis.
• Do not use this code for congenital syphilis or neurosyphilis without specific cerebrovascular involvement.