All ICD10 Codes
Chapter 11

K00–K95: Diseases of the Digestive System

Diseases of the Digestive System diagnostic classification updated for 2026.

Chapter Instructions

Excludes2(Not included here. Code separately if applicable.)
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
All CodesBillable Only
Internal Codes
PrevNext
  • K05.212—

    Aggressive periodontitis, localized, moderate

  • K05.213—

    Aggressive periodontitis, localized, severe

  • K05.219—

    Aggressive periodontitis, localized, unspecified severity

  • 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

  • K05.30—

    Chronic periodontitis, unspecified

  • 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

  • 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

  • K05.4—

    Periodontosis

  • K05.5—

    Other periodontal diseases

  • K05.6—

    Periodontal disease, unspecified

  • K06.010—

    Localized gingival recession, unspecified

  • K06.011—

    Localized gingival recession, minimal

  • K06.012—

    Localized gingival recession, moderate

  • K06.013—

    Localized gingival recession, severe

  • K06.020—

    Generalized gingival recession, unspecified

  • K06.021—

    Generalized gingival recession, minimal

  • K06.022—

    Generalized gingival recession, moderate

  • K06.023—

    Generalized gingival recession, severe

  • K06.1—

    Gingival enlargement

  • K06.2—

    Gingival and edentulous alveolar ridge lesions associated with trauma

  • K06.3—

    Horizontal alveolar bone loss

  • K06.8—

    Other specified disorders of gingiva and edentulous alveolar ridge

  • K06.9—

    Disorder of gingiva and edentulous alveolar ridge, unspecified

  • K08.0—

    Exfoliation of teeth due to systemic causes

  • K08.101—

    Complete loss of teeth, unspecified cause, class I

  • K08.102—

    Complete loss of teeth, unspecified cause, class II

  • K08.103—

    Complete loss of teeth, unspecified cause, class III

  • K08.104—

    Complete loss of teeth, unspecified cause, class IV

  • K08.109—

    Complete loss of teeth, unspecified cause, unspecified class

  • K08.111—

    Complete loss of teeth due to trauma, class I

  • K08.112—

    Complete loss of teeth due to trauma, class II

  • K08.113—

    Complete loss of teeth due to trauma, class III

  • K08.114—

    Complete loss of teeth due to trauma, class IV

  • K08.119—

    Complete loss of teeth due to trauma, unspecified class

  • K08.121—

    Complete loss of teeth due to periodontal diseases, class I

  • K08.122—

    Complete loss of teeth due to periodontal diseases, class II

  • K08.123—

    Complete loss of teeth due to periodontal diseases, class III

  • K08.124—

    Complete loss of teeth due to periodontal diseases, class IV

  • K08.129—

    Complete loss of teeth due to periodontal diseases, unspecified class

  • K08.131—

    Complete loss of teeth due to caries, class I

  • K08.132—

    Complete loss of teeth due to caries, class II

PreviousPage 2 of 18Next