ICD10Check
CheckerBrowseOpen

S91

⚠ Non-billable (Header)

Open wound of ankle, foot and toes

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.

Check This Code

❌ Excludes1

direct

Cannot be coded with S91

  • • open fracture of ankle, foot and toes (S92.-with 7th character B)
  • • traumatic amputation of ankle and foot (S98.-)

Child Codes (4)

S91.0Open wound of ankleS91.1Open wound of toe without damage to nailS91.2Open wound of toe with damage to nailS91.3Open wound of foot

🧪 Validate Combinations

Add S91 to the Excludes Checker to validate against your full code list.

Open in Checker →

Code Information

CodeS91
BillableNo — Header code
CategoryInjury, poisoning and certain other consequences of external causes (S00-T88)
Excludes12 rule(s)
Excludes20 note(s)
Child codes4

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)