S31
⚠ Non-billable (Header)Open wound of abdomen, lower back, pelvis and external genitals
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
directCannot be coded with S31
- • traumatic amputation of part of abdomen, lower back and pelvis (S38.2-, S38.3)
⚠️ Excludes2
directMay be coded together if both conditions coexist
- • open wound of hip (S71.00-S71.02)
- • open fracture of pelvis (S32.1--S32.9 with 7th character B)
Child Codes (8)
S31.0Open wound of lower back and pelvisS31.1Open wound of abdominal wall without penetration into peritoneal cavityS31.2Open wound of penisS31.3Open wound of scrotum and testesS31.4Open wound of vagina and vulvaS31.5Open wound of unspecified external genital organsS31.6Open wound of abdominal wall with penetration into peritoneal cavityS31.8Open wound of other parts of abdomen, lower back and pelvis
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CodeS31
BillableNo — Header code
CategoryInjury, poisoning and certain other consequences of external causes (S00-T88)
Excludes11 rule(s)
Excludes22 note(s)
Child codes8
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)