AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2018 Issue 4; New/Revised ICD-10-CM Codes

Cerebral Autosomal Dominant Arteriopathy with Subcortical Infarcts and Leukoencephalopathy

Code I67.8, Other specified cerebrovascular diseases, has been expanded and a new sub-subcategory (I67.85) created for hereditary cerebrovascular diseases. Two new codes were created as follows: I67.850  Cerebral autosomal dominant arteriopathy with subcortical infarct and leukoencephalopathy I67.858  Other hereditary cerebrovascular disease Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) is a cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy. It is an autosomal dominant genetic disorder caused by mutations in the Notch3 gene. CADASIL can cause strokes, brain lesions, and other impairments. Symptoms of CADASIL can be variable. Initial symptoms are migraine...

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