H83.3X9 Noise effects on inner ear, unspecified ear

ICD-10-CM H83.3X9: Noise effects on inner ear, unspecified ear

ICD-10-CM code H83.3X9 identifies noise effects on the inner ear when the affected side is unspecified. It is an active diagnosis concept under the parent category H83.3X. Clinical literature notes that noise exposure can cause inner ear injury, including synapse loss, though standard audiograms may not detect the earliest damage. 1 2

Plain-language overview

Code H83.3X9 represents the diagnosis of noise effects on the inner ear when the documentation does not specify whether the right, left, or both ears are affected. 1 3

What this code represents

The terminology record classifies H83.3X9 with the semantic type of Injury or Poisoning, establishing its conceptual grouping within the ICD-10-CM system. 1

H83.3X9 is a narrower concept under the parent code H83.3X for noise effects on inner ear, distinguishing it from more specific lateralized codes like H83.3X1 for the right ear. 1 5

Clinical context

Research indicates that occupational noise exposure can cause inner ear pathology, including the loss of synaptic connections between inner hair cells and the auditory nerve. 2

Investigators note that a standard audiogram is relatively insensitive to the earliest effects of noise on the inner ear, meaning initial structural damage may go undetected. 2

Documentation considerations

The terminology record lists lateralized alternatives to H83.3X9, including codes for the right ear, left ear, and bilateral ears, providing options for specifying the affected side. 3 5

What the sources add

The official terminology record establishes the code's active status and preferred name, whereas clinical literature explains the underlying biological mechanisms of noise-induced inner ear damage. 1 2

An audiology reference lists H83.3X9 alongside other inner ear conditions such as labyrinthitis and vestibular function disorders, placing the diagnosis within a broader clinical context. 5

Sources

1. ICD-10-CM H83.3X9 terminology record — National Cancer Institute Enterprise Vocabulary Services; accessed 2026-07-27.
2. Noise-induced hearing loss and its prevention: Integration of data from animal models and human clinical trials — pmc.ncbi.nlm.nih.gov; accessed 2026-07-27.
3. EVS Explore — evsexplore.semantics.cancer.gov; accessed 2026-07-27.
4. 2026 ICD-10-CM Diagnosis Codes Related to Hearing and ... — asha.org; accessed 2026-07-27.
5. ICD-10 Codes Utilized by Audiologists — vestibular.org; accessed 2026-07-27.
6. H83.3 - Noise effects on inner ear | ICD-10-CM — unboundmedicine.com; accessed 2026-07-27.