S81.859
⚠ Non-billable (Header)Open bite, unspecified lower leg
Injury, poisoning and certain other consequences of external causes (S00-T88)
⚠️ This is a category header code — not billable. Use a more specific child code below.
❌ Excludes1
inherited from S81.85Rules from parent category S81.85: Open bite of lower leg
- • superficial bite of lower leg (S80.86-, S80.87-)
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CodeS81.859
BillableNo — Header code
ParentS81.85
CategoryInjury, poisoning and certain other consequences of external causes (S00-T88)
Excludes11 rule(s)
Excludes20 note(s)
Child codes3
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)