ICD10BillableValid for clinical use
ICD-10 Code H74.8X2: Other specified disorders of left middle ear and mastoid
Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026
What is this code?
ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the ear and mastoid process (H60-H95).
When is it used?
- May be used when a clinician documents other specified disorders of left middle ear and mastoid in a patient's medical record.
- May appear in hospital records, claims, referrals, and clinical documentation.
- This code can be used as a clinically usable diagnosis entry in standardized coding workflows.
What it does not mean
- A code alone does not explain severity, treatment plan, or outcome.
- A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
Code hierarchy
chapter
8Diseases of the ear and mastoid process (H60-H95)
block
H65-H75Diseases of middle ear and mastoid
category
H74Other disorders of middle ear mastoid
category
H74.8Other specified disorders of middle ear and mastoid
category
H74.8XOther specified disorders of middle ear and mastoid
currentH74.8X
Where you may see this code
You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.
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Coding guidelines
Common synonyms
Other specified disorders of left middle ear and mastoid
Frequently asked questions
About this content
This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.