ICD-9 Diagnosis Code 383.89

Disorders of mastoid NEC

Diagnosis Code 383.89

ICD-9: 383.89
Short Description: Disorders of mastoid NEC
Long Description: Other disorders of mastoid
This is the 2014 version of the ICD-9-CM diagnosis code 383.89

Code Classification
  • Diseases of the sense organs
    • Diseases of the ear and mastoid process (380-389)
      • 383 Mastoiditis and related conditions

Information for Medical Professionals

Convert to ICD-10 Additional informationCallout TooltipGeneral Equivalence Map
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.

  • Disorder of mastoid
  • Mastoid cavity dry
  • On examination - pain over mastoid
  • Swelling over mastoid

Index of Diseases and Injuries
References found for the code 383.89 in the Index of Diseases and Injuries:

    • Perforation, perforative (nontraumatic)
      • mastoid (antrum) (cell) 383.89

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