ICD-10 Code: R90.81 – Abnormal echoencephalogram

ICD-10 code R90.81 corresponds to Abnormal echoencephalogram. This code is classified under the chapter R90 Abnormal findings on diagnostic imaging of central nervous system, which is part of the R90-R94: Abnormal findings on diagnostic imaging and in function studies, without diagnosis category.

The parent chapter is Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified.