ICD-10-CM Code R94.0

Abnormal results of function studies of central nervous system

Version 2020 Non-Billable Code No Valid Principal Dx

Not Valid for Submission

R94.0 is a "header" nonspecific and non-billable code code, consider using a code with a higher level of specificity for a diagnosis of abnormal results of function studies of central nervous system. The code is NOT valid for the year 2020 for the submission of HIPAA-covered transactions.

ICD-10:R94.0
Short Description:Abnormal results of function studies of cnsl
Long Description:Abnormal results of function studies of central nervous system

Consider the following ICD-10 codes with a higher level of specificity:

  • R94.01 - Abnormal electroencephalogram [EEG]
  • R94.02 - Abnormal brain scan
  • R94.09 - Abnormal results of other function studies of central nervous system

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 results of function studies (R94)

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