Home > 2015 ICD-9-CM Diagnosis Codes > Diseases Of The Digestive System 520-579 > Diseases Of Oral Cavity, Salivary Glands, And Jaws 520-529 > Gingival and periodontal diseases 523-
Non-specific code 2015 ICD-9-CM Diagnosis Code 523.4
Chronic periodontitis
  • 2015
  • Non-Billable Code

  • There are 3 ICD-9-CM codes below 523.4 that define this diagnosis in greater detail. Do not use this code on a reimbursement claim.
Clinical Information
  • Chronic inflammation and loss of periodontium that is associated with the amount of dental plaque or dental calculus present. Chronic periodontitis occurs mostly in adults and was called adult periodontitis, but this disease can appear in young people
  • Inflammatory reaction of the tissues surrounding a tooth (periodontium), usually resulting from the extension of gingival inflammation into the periodontium
523.4 Excludes
  • chronic apical periodontitis (522.6)
Applies To
  • Chronic pericoronitis
  • Pericementitis (chronic)
  • Periodontitis:
    • NOS
    • complex
    • simplex
 523.33 ICD9Data.com 523.40 
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 523.4 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2015 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.
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