K08.42
⚠ Non-billable (Header)Partial loss of teeth due to periodontal diseases
Diseases of the digestive system (K00-K95)
⚠️ This is a category header code — not billable. Use a more specific child code below.
❌ Excludes1
inherited from K08.4Rules from parent category K08.4: Partial loss of teeth
- • complete loss of teeth (K08.1-)
- • congenital absence of teeth (K00.0)
⚠️ Excludes2
inherited from K08.4Rules from parent category K08.4: Partial loss of teeth
- • exfoliation of teeth due to systemic causes (K08.0)
Child Codes (5)
K08.421Partial loss of teeth due to periodontal diseases, class IK08.422Partial loss of teeth due to periodontal diseases, class IIK08.423Partial loss of teeth due to periodontal diseases, class IIIK08.424Partial loss of teeth due to periodontal diseases, class IVK08.429Partial loss of teeth due to periodontal diseases, unspecified class
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CodeK08.42
BillableNo — Header code
ParentK08.4
CategoryDiseases of the digestive system (K00-K95)
Excludes12 rule(s)
Excludes21 note(s)
Child codes5
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)