2022 ICD-10-CM Code R90.81

Abnormal echoencephalogram

Version 2021
No Valid Principal Dx

Valid for Submission

ICD-10:R90.81
Short Description:Abnormal echoencephalogram
Long Description:Abnormal echoencephalogram

Code Classification

  • Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00–R99)
    • Abnormal findings on diagnostic imaging and in function studies, without diagnosis (R90-R94)
      • Abnormal findings on diagnostic imaging of cnsl (R90)

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:

Approximate Synonyms

The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:

Convert R90.81 to ICD-9 Code

Code History

  • FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016 (First year ICD-10-CM implemented into the HIPAA code set)