Home > 2006 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-
Specific code 2006 ICD-9-CM Diagnosis Code 523.4
Chronic periodontitis
  • ICD-9-CM 523.4 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 523.4 should only be used for claims with a date of service on or before September 30, 2015. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM code (or codes).
  • You are viewing the 2006 version of ICD-9-CM 523.4.
  • More recent version(s) of ICD-9-CM 523.4: 2007 2008 2009 2010 2011 2012 2013 2014 2015.
  • No ICD-10-CM code(s) convert to ICD-9-CM 523.4
523.4 Excludes
  • chronic apical periodontitis (522.6)
Applies To
  • Alveolar pyorrhea
  • Chronic pericoronitis
  • Pericementitis (chronic)
  • Periodontitis:
    • NOS
    • complex
    • simplex
ICD-9-CM Volume 2 Index entries containing back-references to 523.4:
  • Blennorrhea (acute) 098.0
    • alveolaris 523.4
  • Cementoperiostitis 523.4
  • Disease, diseased - see also Syndrome
    • Fauchard's (periodontitis) 523.4
    • Riggs' (compound periodontitis) 523.4
  • Fauchard's disease (periodontitis) 523.4
  • Gingivitis 523.1
    • expulsiva 523.4
  • Gingivopericementitis 523.4
  • Operculitis (chronic) 523.4
  • Parodontitis 523.4
  • Pericementitis 523.4
    • chronic (suppurative) 523.4
  • Pericoronitis (chronic) 523.4
  • Periodontitis (chronic) (complex) (compound) (local) (simplex) 523.4
  • Pyorrhea (alveolar) (alveolaris) 523.4
  • Riggs' disease (compound periodontitis) 523.4
 523.3 ICD9Data.com 523.5 
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 2006 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.
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