S91.20
⚠ Non-billable (Header)Unspecified open wound of toe with damage to nail
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.
✅ No additional coding notes for S91.20
Child Codes (7)
S91.201Unspecified open wound of right great toe with damage to nailS91.202Unspecified open wound of left great toe with damage to nailS91.203Unspecified open wound of unspecified great toe with damage to nailS91.204Unspecified open wound of right lesser toe(s) with damage to nailS91.205Unspecified open wound of left lesser toe(s) with damage to nailS91.206Unspecified open wound of unspecified lesser toe(s) with damage to nailS91.209Unspecified open wound of unspecified toe(s) with damage to nail
🧪 Validate Combinations
Add S91.20 to the Excludes Checker to validate against your full code list.
Open in Checker →Code Information
CodeS91.20
BillableNo — Header code
ParentS91.2
CategoryInjury, poisoning and certain other consequences of external causes (S00-T88)
Excludes10 rule(s)
Excludes20 note(s)
Child codes7
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)