ICD-10-CM Code R90.89

Other abnormal findings on diagnostic imaging of central nervous system

Version 2021 Billable Code No Valid Principal Dx

Valid for Submission

R90.89 is a billable code used to specify a medical diagnosis of other abnormal findings on diagnostic imaging of central nervous system. The code is valid for the fiscal year 2021 for the submission of HIPAA-covered transactions. The ICD-10-CM code R90.89 might also be used to specify conditions or terms like imaging of brain abnormal or 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.

ICD-10:R90.89
Short Description:Oth abnormal findings on diagnostic imaging of cnsl
Long Description:Other abnormal findings on diagnostic imaging of central nervous system

Tabular List of Diseases and Injuries

The Tabular List of Diseases and Injuries is a list of ICD-10 codes, organized "head to toe" into chapters and sections with guidance for inclusions, exclusions, descriptions and more. The following references are applicable to the code R90.89:

Inclusion Terms

Inclusion Terms
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.
  • Other cerebrovascular abnormality found on diagnostic imaging of central nervous system

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 R90.89 are found in the index:


Synonyms

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

  • Imaging of brain abnormal
  • Imaging of central nervous system abnormal
  • Ultrasonography of brain abnormal

Diagnostic Related Groups

The ICD-10 code R90.89 is grouped in the following groups for version MS-DRG V38.0 What are Diagnostic Related Groups?
The Diagnostic Related Groups (DRGs) are a patient classification scheme which provides a means of relating the type of patients a hospital treats. The DRGs divides all possible principal diagnoses into mutually exclusive principal diagnosis areas referred to as Major Diagnostic Categories (MDC).
applicable from 10/01/2020 through 09/30/2021.

  • 947 - SIGNS AND SYMPTOMS WITH MCC
  • 948 - SIGNS AND SYMPTOMS WITHOUT MCC

Convert R90.89 to ICD-9

  • 793.99 - Nonsp abn find-body NEC (Approximate Flag)

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)

Code History

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