ICD-10-CM>R00-R99>R90-R94>R90R90Abnormal findings on diagnostic imaging of central nervous systemNon-Billable/Non-SpecificCodesR90.0Intracranial space-occupying lesion found on diagnostic imaging of central nervous systemR90.8Other abnormal findings on diagnostic imaging of central nervous systemR90.81Abnormal echoencephalogramR90.82White matter disease, unspecifiedR90.89Other abnormal findings on diagnostic imaging of central nervous system