ICD-10-CM Code R94

Abnormal results of function studies

Version 2020 Non-Billable Code No Valid Principal Dx

Not Valid for Submission

R94 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. The code is NOT valid for the year 2020 for the submission of HIPAA-covered transactions.

ICD-10:R94
Short Description:Abnormal results of function studies
Long Description:Abnormal results of function studies

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

  • R94.0 - Abnormal results of function studies of central nervous system
  • R94.01 - Abnormal electroencephalogram [EEG]
  • R94.02 - Abnormal brain scan
  • R94.09 - Abnormal results of other function studies of central nervous system
  • R94.1 - Abnormal results of function studies of peripheral nervous system and special senses
  • R94.11 - Abnormal results of function studies of eye
  • R94.110 - Abnormal electro-oculogram [EOG]
  • R94.111 - Abnormal electroretinogram [ERG]
  • R94.112 - Abnormal visually evoked potential [VEP]
  • R94.113 - Abnormal oculomotor study
  • R94.118 - Abnormal results of other function studies of eye
  • R94.12 - Abnormal results of function studies of ear and other special senses
  • R94.120 - Abnormal auditory function study
  • R94.121 - Abnormal vestibular function study
  • R94.128 - Abnormal results of other function studies of ear and other special senses
  • R94.13 - Abnormal results of function studies of peripheral nervous system
  • R94.130 - Abnormal response to nerve stimulation, unspecified
  • R94.131 - Abnormal electromyogram [EMG]
  • R94.138 - Abnormal results of other function studies of peripheral nervous system
  • R94.2 - Abnormal results of pulmonary function studies
  • R94.3 - Abnormal results of cardiovascular function studies
  • R94.30 - Abnormal result of cardiovascular function study, unspecified
  • R94.31 - Abnormal electrocardiogram [ECG] [EKG]
  • R94.39 - Abnormal result of other cardiovascular function study
  • R94.4 - Abnormal results of kidney function studies
  • R94.5 - Abnormal results of liver function studies
  • R94.6 - Abnormal results of thyroid function studies
  • R94.7 - Abnormal results of other endocrine function studies
  • R94.8 - Abnormal results of function studies of other organs and systems

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 R94:

Includes

Includes
This note appears immediately under a three character code title to further define, or give examples of, the content of the category.
  • abnormal results of radionuclide radioisotope uptake studies
  • abnormal results of scintigraphy

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