K06.3 Horizontal alveolar bone loss

Billable ICD-10-CM code, FY2026.

Applies from K06 Other disorders of gingiva and edentulous alveolar ridge

Excludes2 (not included here)

• acute gingivitis (K05.0)
• atrophy of edentulous alveolar ridge (K08.2)
• chronic gingivitis (K05.1)
• gingivitis NOS (K05.1)

MS-DRG index

Defines the logic of DRG(s) 011-013 in MDC PRE.

Approximate ICD-9-CM (GEMs)

• 523.8 Other specified periodontal diseases (approximate)

Code annotations containing back-references to K06.3

Back-references to K06

• Type 2 Excludes: K13 Other diseases of lip and oral mucosa ("certain disorders of gingiva and edentulous alveolar ridge (K05-K06)")

Diagnosis Index entries for K06.3

• Loss (of) › substance of › bone › horizontal alveolar

Nearby codes

• 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 (this code)
• K06.8 Other specified disorders of gingiva and edentulous alveolar ridge
• K06.9 Disorder of gingiva and edentulous alveolar ridge, unspecified