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523.40 CHRONC PERIODONTITIS NOS


Code Information

Diagnosis Code: 523.40

Short Description: Chronc periodontitis NOS

Long Description: Chronic periodontitis, unspecified

Code Classification:

  • Diseases of the digestive system (520–579)
    • Diseases of oral cavity, salivary glands, and jaws (520-529)
      • 523 Gingival and periodontal diseases
        • 523.40 Chronc periodontitis NOS

Code Version: 2015 ICD-9-CM


References to Index of Diseases and Injuries

The code 523.40 has the following ICD-9-CM references to the Index of Diseases and Injuries
  • Blennorrhea (acute) 098.0
    • alveolaris 523.40
  • Cementoperiostitis 523.40
    • acute 523.33
    • apical 523.40
  • Disease, diseased - see also Syndrome
    • Fauchard's (periodontitis) 523.40
    • Riggs' (compound periodontitis) 523.40
  • Fauchard's disease (periodontitis) 523.40
  • Gingivitis 523.10
    • expulsiva 523.40
  • Gingivopericementitis 523.40
  • Operculitis (chronic) 523.40
    • acute 523.30
  • Parodontitis 523.40
  • Pericementitis 523.40
    • acute 523.30
    • chronic (suppurative) 523.40
  • Pericoronitis (chronic) 523.40
    • acute 523.33
  • Periodontitis (chronic) (complex) (compound) (simplex) 523.40
    • acute 523.33
    • apical 522.6
      • acute (pulpal origin) 522.4
    • aggressive 523.30
      • generalized 523.32
      • localized 523.31
    • generalized 523.42
    • localized 523.41
  • Pyorrhea (alveolar) (alveolaris) 523.40
    • degenerative 523.5
  • Riggs' disease (compound periodontitis) 523.40

Crosswalk Information

The code 523.40 converts into the following ICD-10 code(s):
ICD-9 Code ICD-10 Code ICD-10 Description
523.40 Right Arrow K05.30 Chronic periodontitis, unspecified
This ICD-9 to ICD-10 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-9 Code ICD-9 Description
523.00 Acute gingivitis, plaque induced
523.01 Acute gingivitis, non-plaque induced
523.10 Chronic gingivitis, plaque induced
523.11 Chronic gingivitis, non-plaque induced
523.20 Gingival recession, unspecified
523.21 Gingival recession, minimal
523.22 Gingival recession, moderate
523.23 Gingival recession, severe
523.24 Gingival recession, localized
523.25 Gingival recession, generalized
523.30 Aggressive periodontitis, unspecified
523.31 Aggressive periodontitis, localized
523.32 Aggressive periodontitis, generalized
523.33 Acute periodontitis
523.41 Chronic periodontitis, localized
523.42 Chronic periodontitis, generalized
523.5 Periodontosis
523.6 Accretions on teeth
523.8 Other specified periodontal diseases
523.9 Unspecified gingival and periodontal disease

This page was last updated on: 10/1/2014

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