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2007 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Digestive System 520-579 > Diseases Of Oral Cavity, Salivary Glands, And Jaws 520-529 > Gingival And Periodontal Diseases 523.* >

2007 ICD-9-CM Diagnosis 523.4

Chronic periodontitis

 On October 1, 2008 the 2009 ICD-9-CM codes came into effect. Therefore, this code may be out of date.

The 2009 version of ICD-9-CM 523.4 can be accessed here.

  • Inflammatory reaction of the tissues surrounding a tooth (periodontium), usually resulting from the extension of gingival inflammation (gingivitis) into the periodontium. (From Dorland, 27th ed)
  • 523.4 is a non-specific code that cannot be used to specify a diagnosis
  • View the ICD-9-CM Volume 1 523.* hierarchy

523.4 also known as:

  • Chronic pericoronitis
  • Pericementitis (chronic)
  • Periodontitis:
    • NOS
    • complex
    • simplex

523.4 excludes:

  • chronic apical periodontitis (522.6)