S31.000
⚠ Non-billable (Header)Unspecified open wound of lower back and pelvis without penetration into retroperitoneum
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 lower back and pelvis NOS
✅ No additional coding notes for S31.000
Child Codes (3)
S31.000AUnspecified open wound of lower back and pelvis without penetration into retroperitoneum, initial encounterS31.000DUnspecified open wound of lower back and pelvis without penetration into retroperitoneum, subsequent encounterS31.000SUnspecified open wound of lower back and pelvis without penetration into retroperitoneum, sequela
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CodeS31.000
BillableNo — Header code
ParentS31.00
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)