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  6. 2024 ICD-10-CM Code H74
Version 2024
Non-Billable Code

2024 ICD-10-CM Diagnosis Code H74

Other disorders of middle ear mastoid

ICD-10-CM Code:
H74
ICD-10 Code for:
Other disorders of middle ear mastoid
Is Billable?
Not Valid for Submission
Code Navigator:

Code Classification

  • Diseases of the ear and mastoid process
    (H60–H95)
    • Diseases of middle ear and mastoid
      (H65-H75)
      • Other disorders of middle ear mastoid
        (H74)

H74 is a non-specific and non-billable diagnosis code code, consider using a code with a higher level of specificity for a diagnosis of other disorders of middle ear mastoid. The code is not specific and is NOT valid for the year 2024 for the submission of HIPAA-covered transactions. Category or Header define the heading of a category of codes that may be further subdivided by the use of 4th, 5th, 6th or 7th characters.

Specific Coding Applicable to Other disorders of middle ear mastoid

Non-specific codes like H74 require more digits to indicate the appropriate level of specificity. Consider using any of the following ICD-10-CM codes with a higher level of specificity when coding for other disorders of middle ear mastoid:

  • H74.0 for Tympanosclerosis - NON-BILLABLE CODE

  • Use H74.01 for Tympanosclerosis, right ear - BILLABLE CODE

  • Use H74.02 for Tympanosclerosis, left ear - BILLABLE CODE

  • Use H74.03 for Tympanosclerosis, bilateral - BILLABLE CODE

  • Use H74.09 for Tympanosclerosis, unspecified ear - BILLABLE CODE

  • H74.1 for Adhesive middle ear disease - NON-BILLABLE CODE

  • Use H74.11 for Adhesive right middle ear disease - BILLABLE CODE

  • Use H74.12 for Adhesive left middle ear disease - BILLABLE CODE

  • Use H74.13 for Adhesive middle ear disease, bilateral - BILLABLE CODE

  • Use H74.19 for Adhesive middle ear disease, unspecified ear - BILLABLE CODE

  • H74.2 for Discontinuity and dislocation of ear ossicles - NON-BILLABLE CODE

  • Use H74.20 for Discontinuity and dislocation of ear ossicles, unspecified ear - BILLABLE CODE

  • Use H74.21 for Discontinuity and dislocation of right ear ossicles - BILLABLE CODE

  • Use H74.22 for Discontinuity and dislocation of left ear ossicles - BILLABLE CODE

  • Use H74.23 for Discontinuity and dislocation of ear ossicles, bilateral - BILLABLE CODE

  • H74.3 for Other acquired abnormalities of ear ossicles - NON-BILLABLE CODE

  • H74.31 for Ankylosis of ear ossicles - NON-BILLABLE CODE

  • H74.32 for Partial loss of ear ossicles - NON-BILLABLE CODE

  • H74.39 for Other acquired abnormalities of ear ossicles - NON-BILLABLE CODE

  • H74.4 for Polyp of middle ear - NON-BILLABLE CODE

  • Use H74.40 for Polyp of middle ear, unspecified ear - BILLABLE CODE

  • Use H74.41 for Polyp of right middle ear - BILLABLE CODE

  • Use H74.42 for Polyp of left middle ear - BILLABLE CODE

  • Use H74.43 for Polyp of middle ear, bilateral - BILLABLE CODE

  • H74.8 for Other specified disorders of middle ear and mastoid - NON-BILLABLE CODE

  • H74.8X for Other specified disorders of middle ear and mastoid - NON-BILLABLE CODE

  • H74.9 for Unspecified disorder of middle ear and mastoid - NON-BILLABLE CODE

  • Use H74.90 for Unspecified disorder of middle ear and mastoid, unspecified ear - BILLABLE CODE

  • Use H74.91 for Unspecified disorder of right middle ear and mastoid - BILLABLE CODE

  • Use H74.92 for Unspecified disorder of left middle ear and mastoid - BILLABLE CODE

  • Use H74.93 for Unspecified disorder of middle ear and mastoid, bilateral - BILLABLE CODE

Tabular List of Diseases and Injuries

The following annotation back-references are applicable to this diagnosis code. The Tabular List of Diseases and Injuries is a list of ICD-10-CM codes, organized "head to toe" into chapters and sections with coding notes and guidance for inclusions, exclusions, descriptions and more.


Type 2 Excludes

Type 2 Excludes
A type 2 excludes note represents "Not included here". An excludes2 note indicates that the condition excluded is not part of the condition represented by the code, but a patient may have both conditions at the same time. When an Excludes2 note appears under a code, it is acceptable to use both the code and the excluded code together, when appropriate.
  • mastoiditis H70

Patient Education


Ear Disorders

Your ear has three main parts: outer, middle and inner. You use all of them in hearing. Sound waves come in through your outer ear. They reach your middle ear, where they make your eardrum vibrate. The vibrations are transmitted through three tiny bones, called ossicles, in your middle ear. The vibrations travel to your inner ear, a snail-shaped organ. The inner ear makes the nerve impulses that are sent to the brain. Your brain recognizes them as sounds. The inner ear also controls balance.

A variety of conditions may affect your hearing or balance:

  • Ear infections are the most common illness in infants and young children.
  • Tinnitus, a roaring in your ears, can be the result of loud noises, medicines or a variety of other causes.
  • Meniere's disease may be the result of fluid problems in your inner ear; its symptoms include tinnitus and dizziness.
  • Ear barotrauma is an injury to your ear because of changes in barometric (air) or water pressure.

Some ear disorders can result in hearing disorders and deafness.


[Learn More in MedlinePlus]

Code History

  • FY 2024 - No Change, effective from 10/1/2023 through 9/30/2024
  • FY 2023 - No Change, effective from 10/1/2022 through 9/30/2023
  • FY 2022 - No Change, effective from 10/1/2021 through 9/30/2022
  • 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. This was the first year ICD-10-CM was implemented into the HIPAA code set.