ICD-10 Code I67.3 – Progressive vascular leukoencephalopathy (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code I67.3 – Progressive vascular leukoencephalopathy
What it is
I67.3 identifies progressive vascular leukoencephalopathy, a rare disorder affecting the brain’s white matter from vascular causes. Use it when documentation specifically names this condition.
Clinical signs
Clinical features vary; refer to documentation. Standard references describe progressive neurologic decline with white-matter changes attributed to vascular disease, but the exact presentation depends on the underlying cause.
When to use this code
Use this code when the provider documents progressive vascular leukoencephalopathy as the diagnosis. It may appear in neurology notes, imaging interpretations, or problem lists when the condition is confirmed or being actively managed. If the record only describes nonspecific white-matter disease, check documentation before assigning I67.3.
Do not use for
Do not use this code for generic leukoencephalopathy, demyelinating disease, or other cerebrovascular disorders unless the record specifically states progressive vascular leukoencephalopathy. Check documentation.
Coding tip
Code I67.3 only when the exact diagnosis is documented; otherwise, query for the specific vascular white-matter disorder.