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
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  • 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—

    Other disorders of teeth and supporting structures

  • K08.0—

    Exfoliation of teeth due to systemic causes

  • K08.1—

    Complete loss of teeth

  • K08.10—

    Complete loss of teeth, unspecified cause

  • 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

  • K08.11—

    Complete loss of teeth due to trauma

  • 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

  • K08.12—

    Complete loss of teeth due to periodontal diseases

  • 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

  • K08.13—

    Complete loss of teeth due to caries

  • K08.131—

    Complete loss of teeth due to caries, class I

  • K08.132—

    Complete loss of teeth due to caries, class II

  • K08.133—

    Complete loss of teeth due to caries, class III

  • K08.134—

    Complete loss of teeth due to caries, class IV

  • K08.139—

    Complete loss of teeth due to caries, unspecified class

  • K08.19—

    Complete loss of teeth due to other specified cause

  • K08.191—

    Complete loss of teeth due to other specified cause, class I

  • K08.192—

    Complete loss of teeth due to other specified cause, class II

  • K08.193—

    Complete loss of teeth due to other specified cause, class III

  • K08.194—

    Complete loss of teeth due to other specified cause, class IV

  • K08.199—

    Complete loss of teeth due to other specified cause, unspecified class

  • K08.2—

    Atrophy of edentulous alveolar ridge

  • K08.20—

    Unspecified atrophy of edentulous alveolar ridge

  • K08.21—

    Minimal atrophy of the mandible

  • K08.22—

    Moderate atrophy of the mandible

  • K08.23—

    Severe atrophy of the mandible

  • K08.24—

    Minimal atrophy of maxilla

  • K08.25—

    Moderate atrophy of the maxilla

  • K08.26—

    Severe atrophy of the maxilla

  • K08.3—

    Retained dental root

  • K08.4—

    Partial loss of teeth

  • K08.40—

    Partial loss of teeth, unspecified cause

  • K08.401—

    Partial loss of teeth, unspecified cause, class I

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