Valid for Submission
R90.81 is a billable diagnosis code used to specify a medical diagnosis of abnormal echoencephalogram. The code R90.81 is valid during the fiscal year 2022 from October 01, 2021 through September 30, 2022 for the submission of HIPAA-covered transactions.
The ICD-10-CM code R90.81 might also be used to specify conditions or terms like echoencephalogram abnormal, imaging of brain abnormal, imaging of central nervous system abnormal or ultrasonography of brain abnormal.
According to ICD-10-CM guidelines this code should not to be used as a principal diagnosis code when a related definitive diagnosis has been established.
Index to Diseases and Injuries
The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for the code R90.81 are found in the index:
The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:
- Echoencephalogram abnormal
- Imaging of brain abnormal
- Imaging of central nervous system abnormal
- Ultrasonography of brain abnormal