ICD-9 Diagnosis Code 385.33

Cholestma mid ear/mstoid

Diagnosis Code 385.33

ICD-9: 385.33
Short Description: Cholestma mid ear/mstoid
Long Description: Cholesteatoma of middle ear and mastoid
This is the 2014 version of the ICD-9-CM diagnosis code 385.33

Code Classification
  • Diseases of the sense organs (360–389)
    • Diseases of the ear and mastoid process (380-389)
      • 385 Other disorders of middle ear and mastoid

Information for Medical Professionals

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The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.

Index of Diseases and Injuries
References found for the code 385.33 in the Index of Diseases and Injuries:

    • Cholesteatoma (ear) 385.30
      • marginal (middle ear) 385.32
        • with involvement of mastoid cavity 385.33
        • secondary (with middle ear involvement) 385.33
      • middle ear (secondary) 385.32
        • with involvement of mastoid cavity 385.33
      • secondary (middle ear) 385.32
        • with involvement of mastoid cavity 385.33

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Previous Code 385.32
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