1. K05 Gingivitis and periodontal diseases

    Use Additional code to identify:
    alcohol abuse and dependence (F10.-)
    exposure to environmental tobacco smoke (Z77.22)
    exposure to tobacco smoke in the perinatal period (P96.81)
    history of tobacco dependence (Z87.891)
    occupational exposure to environmental tobacco smoke (Z57.31)
    tobacco dependence (F17.-)
    tobacco use (Z72.0)

    1. K05.0 Acute gingivitis

      1. K05.00 Acute gingivitis, plaque induced

        Inclusion term(s):

        • Acute gingivitis NOS
        • Plaque induced gingival disease
      2. K05.01 Acute gingivitis, non-plaque induced

    2. K05.1 Chronic gingivitis

      Inclusion term(s):

      • Desquamative gingivitis (chronic)
      • Gingivitis (chronic) NOS
      • Hyperplastic gingivitis (chronic)
      • Pregnancy associated gingivitis
      • Simple marginal gingivitis (chronic)
      • Ulcerative gingivitis (chronic)
      1. K05.10 Chronic gingivitis, plaque induced

        Inclusion term(s):

        • Chronic gingivitis NOS
        • Gingivitis NOS
      2. K05.11 Chronic gingivitis, non-plaque induced

    3. K05.2 Aggressive periodontitis

      Inclusion term(s):

      • Acute pericoronitis
      1. K05.20 Aggressive periodontitis, unspecified

      2. K05.21 Aggressive periodontitis, localized

        Inclusion term(s):

        • Periodontal abscess
        • K05.211 Aggressive periodontitis, localized, slight
        • K05.212 Aggressive periodontitis, localized, moderate
        • K05.213 Aggressive periodontitis, localized, severe
        • K05.219 Aggressive periodontitis, localized, unspecified severity
      3. K05.22 Aggressive periodontitis, generalized

        • K05.221 Aggressive periodontitis, generalized, slight
        • K05.222 Aggressive periodontitis, generalized, moderate
        • K05.223 Aggressive periodontitis, generalized, severe
        • K05.229 Aggressive periodontitis, generalized, unspecified severity
    4. K05.3 Chronic periodontitis

      Inclusion term(s):

      • Chronic pericoronitis
      • Complex periodontitis
      • Periodontitis NOS
      • Simplex periodontitis
      1. K05.30 Chronic periodontitis, unspecified

      2. K05.31 Chronic periodontitis, localized

        • K05.311 Chronic periodontitis, localized, slight
        • K05.312 Chronic periodontitis, localized, moderate
        • K05.313 Chronic periodontitis, localized, severe
        • K05.319 Chronic periodontitis, localized, unspecified severity
      3. K05.32 Chronic periodontitis, generalized

        • K05.321 Chronic periodontitis, generalized, slight
        • K05.322 Chronic periodontitis, generalized, moderate
        • K05.323 Chronic periodontitis, generalized, severe
        • K05.329 Chronic periodontitis, generalized, unspecified severity
    5. K05.4 Periodontosis

      Inclusion term(s):

      • Juvenile periodontosis
    6. K05.5 Other periodontal diseases

      Inclusion term(s):

      • Combined periodontic-endodontic lesion
      • Narrow gingival width (of periodontal soft tissue)
    7. K05.6 Periodontal disease, unspecified

Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.