ICD-10-CM > G00-G99 > G89-G99 > G93 > G93.0 G93.0 Cerebral cysts Billable/Specific Copy Code Copy Description Applicable To Arachnoid cystPorencephalic cyst, acquired Type 1 Excludes acquired periventricular cysts of newborn (P91.1)congenital cerebral cysts (Q04.6)