S31.109
⚠ Non-billable (Header)Unspecified open wound of abdominal wall, unspecified quadrant without penetration into peritoneal cavity
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.
Also Known As
Unspecified open wound of abdominal wall NOS
✅ No additional coding notes for S31.109
Child Codes (3)
S31.109AUnspecified open wound of abdominal wall, unspecified quadrant without penetration into peritoneal cavity, initial encounterS31.109DUnspecified open wound of abdominal wall, unspecified quadrant without penetration into peritoneal cavity, subsequent encounterS31.109SUnspecified open wound of abdominal wall, unspecified quadrant without penetration into peritoneal cavity, sequela
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CodeS31.109
BillableNo — Header code
ParentS31.10
CategoryInjury, poisoning and certain other consequences of external causes (S00-T88)
Excludes10 rule(s)
Excludes20 note(s)
Child codes3
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)