ICD-10-CM Code R94.128

Abnormal results of other function studies of ear and other special senses

Version 2021 Billable Code No Valid Principal Dx

Valid for Submission

R94.128 is a billable code used to specify a medical diagnosis of abnormal results of other function studies of ear and other special senses. The code is valid for the fiscal year 2021 for the submission of HIPAA-covered transactions. The ICD-10-CM code R94.128 might also be used to specify conditions or terms like abnormal nasal potential difference, deteriorating hearing, hearing change, hearing change, hearing worse, middle ear fistula sign positive, etc

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.

Short Description:Abn results of function studies of ear and oth sp senses
Long Description:Abnormal results of other function studies of ear and other special senses

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 R94.128 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:

  • Abnormal nasal potential difference
  • Deteriorating hearing
  • Hearing change
  • Hearing change
  • Hearing worse
  • Middle ear fistula sign positive
  • Tympanogram abnormal

Convert R94.128 to ICD-9

  • 794.19 - Abn periph nerv stud 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 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
  • FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021