S31 Open wound of abdomen, lower back, pelvis and external genitals

⚠ Non-Billable ICD-10-CM 2026
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The ICD-10-CM code for Open wound of abdomen, lower back, pelvis and external genitals is S31 (FY2026). It is a non-billable category code — select a more specific code below for claims.

Classification

Section
S30-S39: Injuries to the abdomen, lower back, lumbar spine, pelvis and external genitals (S30-S39)
Category S31
223 codes (186 billable)
FY2026 Status
Stable since FY2024
Excludes1
Not coded here. These conditions should NOT be coded together with S31.
  • traumatic amputation of part of abdomen, lower back and pelvis (S38.2-, S38.3)
Excludes2
Not included here. These conditions are coded elsewhere but may be coded together if applicable.
  • open wound of hip (S71.00-S71.02)
  • open fracture of pelvis (S32.1--S32.9 with 7th character B)
Code Also
  • any associated:
  • spinal cord injury (S24.0, S24.1-, S34.0-, S34.1-)
  • wound infection

Official Coding Guidelines

Sequence blood vessel/nerve injury first (fragment)

injury is to the blood vessels or nerves, that injury should be sequenced first.

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.19.b.2
Do not assign injury codes for iatrogenic injuries; code complication

3) Iatrogenic injuries Injury codes from Chapter 19 should not be assigned for injuries that occur during, or as a result of, a medical intervention. Assign the appropriate complication code(s).

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.19.b.3

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Cite This Page

Reference S31 with the canonical source and edition:

S31 — Open wound of abdomen, lower back, pelvis and external genitals. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/S31

Canonical URL: https://icd10codingpro.com/codes/S31

Related Codes

All Codes in S31

Every most-specific code under S31 Open wound of abdomen, lower back, pelvis and external genitals (186 codes):

Show the complete S31 code list
S31.000 Unspecified open wound of lower back and pelvis without penetration into retroperitoneum S31.001 Unspecified open wound of lower back and pelvis with penetration into retroperitoneum S31.010 Laceration without foreign body of lower back and pelvis without penetration into retroperitoneum S31.011 Laceration without foreign body of lower back and pelvis with penetration into retroperitoneum S31.020 Laceration with foreign body of lower back and pelvis without penetration into retroperitoneum S31.021 Laceration with foreign body of lower back and pelvis with penetration into retroperitoneum S31.030 Puncture wound without foreign body of lower back and pelvis without penetration into retroperitoneum S31.031 Puncture wound without foreign body of lower back and pelvis with penetration into retroperitoneum S31.040 Puncture wound with foreign body of lower back and pelvis without penetration into retroperitoneum S31.041 Puncture wound with foreign body of lower back and pelvis with penetration into retroperitoneum S31.050 Open bite of lower back and pelvis without penetration into retroperitoneum S31.051 Open bite of lower back and pelvis with penetration into retroperitoneum S31.100 Unspecified open wound of abdominal wall, right upper quadrant without penetration into peritoneal cavity S31.101 Unspecified open wound of abdominal wall, left upper quadrant without penetration into peritoneal cavity S31.102 Unspecified open wound of abdominal wall, epigastric region without penetration into peritoneal cavity S31.103 Unspecified open wound of abdominal wall, right lower quadrant without penetration into peritoneal cavity S31.104 Unspecified open wound of abdominal wall, left lower quadrant without penetration into peritoneal cavity S31.105 Unspecified open wound of abdominal wall, periumbilic region without penetration into peritoneal cavity S31.106 Unspecified open wound of abdominal wall, right flank without penetration into peritoneal cavity S31.107 Unspecified open wound of abdominal wall, left flank without penetration into peritoneal cavity S31.109 Unspecified open wound of abdominal wall, unspecified quadrant without penetration into peritoneal cavity S31.10A Unspecified open wound of abdominal wall, unspecified flank without penetration into peritoneal cavity S31.110 Laceration without foreign body of abdominal wall, right upper quadrant without penetration into peritoneal cavity S31.111 Laceration without foreign body of abdominal wall, left upper quadrant without penetration into peritoneal cavity S31.112 Laceration without foreign body of abdominal wall, epigastric region without penetration into peritoneal cavity S31.113 Laceration without foreign body of abdominal wall, right lower quadrant without penetration into peritoneal cavity S31.114 Laceration without foreign body of abdominal wall, left lower quadrant without penetration into peritoneal cavity S31.115 Laceration without foreign body of abdominal wall, periumbilic region without penetration into peritoneal cavity S31.116 Laceration without foreign body of abdominal wall, right flank without penetration into peritoneal cavity S31.117 Laceration without foreign body of abdominal wall, left flank without penetration into peritoneal cavity S31.119 Laceration without foreign body of abdominal wall, unspecified quadrant without penetration into peritoneal cavity S31.11A Laceration without foreign body of abdominal wall, unspecified flank without penetration into peritoneal cavity S31.120 Laceration of abdominal wall with foreign body, right upper quadrant without penetration into peritoneal cavity S31.121 Laceration of abdominal wall with foreign body, left upper quadrant without penetration into peritoneal cavity S31.122 Laceration of abdominal wall with foreign body, epigastric region without penetration into peritoneal cavity S31.123 Laceration of abdominal wall with foreign body, right lower quadrant without penetration into peritoneal cavity S31.124 Laceration of abdominal wall with foreign body, left lower quadrant without penetration into peritoneal cavity S31.125 Laceration of abdominal wall with foreign body, periumbilic region without penetration into peritoneal cavity S31.126 Laceration with foreign body of abdominal wall, right flank without penetration into peritoneal cavity S31.127 Laceration with foreign body of abdominal wall, left flank without penetration into peritoneal cavity S31.129 Laceration of abdominal wall with foreign body, unspecified quadrant without penetration into peritoneal cavity S31.12A Laceration with foreign body of abdominal wall unspecified flank without penetration into peritoneal cavity S31.130 Puncture wound of abdominal wall without foreign body, right upper quadrant without penetration into peritoneal cavity S31.131 Puncture wound of abdominal wall without foreign body, left upper quadrant without penetration into peritoneal cavity S31.132 Puncture wound of abdominal wall without foreign body, epigastric region without penetration into peritoneal cavity S31.133 Puncture wound of abdominal wall without foreign body, right lower quadrant without penetration into peritoneal cavity S31.134 Puncture wound of abdominal wall without foreign body, left lower quadrant without penetration into peritoneal cavity S31.135 Puncture wound of abdominal wall without foreign body, periumbilic region without penetration into peritoneal cavity S31.136 Puncture wound of abdominal wall without foreign body, right flank without penetration into peritoneal cavity S31.137 Puncture wound of abdominal wall without foreign body, left flank without penetration into peritoneal cavity S31.139 Puncture wound of abdominal wall without foreign body, unspecified quadrant without penetration into peritoneal cavity S31.13A Puncture wound of abdominal wall without foreign body, unspecified flank without penetration into peritoneal cavity S31.140 Puncture wound of abdominal wall with foreign body, right upper quadrant without penetration into peritoneal cavity S31.141 Puncture wound of abdominal wall with foreign body, left upper quadrant without penetration into peritoneal cavity S31.142 Puncture wound of abdominal wall with foreign body, epigastric region without penetration into peritoneal cavity S31.143 Puncture wound of abdominal wall with foreign body, right lower quadrant without penetration into peritoneal cavity S31.144 Puncture wound of abdominal wall with foreign body, left lower quadrant without penetration into peritoneal cavity S31.145 Puncture wound of abdominal wall with foreign body, periumbilic region without penetration into peritoneal cavity S31.146 Puncture wound of abdominal wall with foreign body, right flank without penetration into peritoneal cavity S31.147 Puncture wound of abdominal wall with foreign body, left flank without penetration into peritoneal cavity S31.149 Puncture wound of abdominal wall with foreign body, unspecified quadrant without penetration into peritoneal cavity S31.14A Puncture wound of abdominal wall with foreign body, unspecified flank without penetration into peritoneal cavity S31.150 Open bite of abdominal wall, right upper quadrant without penetration into peritoneal cavity S31.151 Open bite of abdominal wall, left upper quadrant without penetration into peritoneal cavity S31.152 Open bite of abdominal wall, epigastric region without penetration into peritoneal cavity S31.153 Open bite of abdominal wall, right lower quadrant without penetration into peritoneal cavity S31.154 Open bite of abdominal wall, left lower quadrant without penetration into peritoneal cavity S31.155 Open bite of abdominal wall, periumbilic region without penetration into peritoneal cavity S31.156 Open bite of abdominal wall, right flank without penetration into peritoneal cavity S31.157 Open bite of abdominal wall, left flank without penetration into peritoneal cavity S31.159 Open bite of abdominal wall, unspecified quadrant without penetration into peritoneal cavity S31.15A Open bite of abdominal wall, unspecified flank without penetration into peritoneal cavity S31.20 Unspecified open wound of penis S31.21 Laceration without foreign body of penis S31.22 Laceration with foreign body of penis S31.23 Puncture wound without foreign body of penis S31.24 Puncture wound with foreign body of penis S31.25 Open bite of penis S31.30 Unspecified open wound of scrotum and testes S31.31 Laceration without foreign body of scrotum and testes S31.32 Laceration with foreign body of scrotum and testes S31.33 Puncture wound without foreign body of scrotum and testes S31.34 Puncture wound with foreign body of scrotum and testes S31.35 Open bite of scrotum and testes S31.40 Unspecified open wound of vagina and vulva S31.41 Laceration without foreign body of vagina and vulva S31.42 Laceration with foreign body of vagina and vulva S31.43 Puncture wound without foreign body of vagina and vulva S31.44 Puncture wound with foreign body of vagina and vulva S31.45 Open bite of vagina and vulva S31.501 Unspecified open wound of unspecified external genital organs, male S31.502 Unspecified open wound of unspecified external genital organs, female S31.511 Laceration without foreign body of unspecified external genital organs, male S31.512 Laceration without foreign body of unspecified external genital organs, female S31.521 Laceration with foreign body of unspecified external genital organs, male S31.522 Laceration with foreign body of unspecified external genital organs, female S31.531 Puncture wound without foreign body of unspecified external genital organs, male S31.532 Puncture wound without foreign body of unspecified external genital organs, female S31.541 Puncture wound with foreign body of unspecified external genital organs, male S31.542 Puncture wound with foreign body of unspecified external genital organs, female S31.551 Open bite of unspecified external genital organs, male S31.552 Open bite of unspecified external genital organs, female S31.600 Unspecified open wound of abdominal wall, right upper quadrant with penetration into peritoneal cavity S31.601 Unspecified open wound of abdominal wall, left upper quadrant with penetration into peritoneal cavity S31.602 Unspecified open wound of abdominal wall, epigastric region with penetration into peritoneal cavity S31.603 Unspecified open wound of abdominal wall, right lower quadrant with penetration into peritoneal cavity S31.604 Unspecified open wound of abdominal wall, left lower quadrant with penetration into peritoneal cavity S31.605 Unspecified open wound of abdominal wall, periumbilic region with penetration into peritoneal cavity S31.606 Unspecified open wound of abdominal wall, right flank with penetration into peritoneal cavity S31.607 Unspecified open wound of abdominal wall, left flank with penetration into peritoneal cavity S31.609 Unspecified open wound of abdominal wall, unspecified quadrant with penetration into peritoneal cavity S31.60A Unspecified open wound of abdominal wall, unspecified flank with penetration into peritoneal cavity S31.610 Laceration without foreign body of abdominal wall, right upper quadrant with penetration into peritoneal cavity S31.611 Laceration without foreign body of abdominal wall, left upper quadrant with penetration into peritoneal cavity S31.612 Laceration without foreign body of abdominal wall, epigastric region with penetration into peritoneal cavity S31.613 Laceration without foreign body of abdominal wall, right lower quadrant with penetration into peritoneal cavity S31.614 Laceration without foreign body of abdominal wall, left lower quadrant with penetration into peritoneal cavity S31.615 Laceration without foreign body of abdominal wall, periumbilic region with penetration into peritoneal cavity S31.616 Laceration without foreign body of abdominal wall, right flank with penetration into peritoneal cavity S31.617 Laceration without foreign body of abdominal wall, left flank with penetration into peritoneal cavity S31.619 Laceration without foreign body of abdominal wall, unspecified quadrant with penetration into peritoneal cavity S31.61A Laceration without foreign body of abdominal wall, unspecified flank with penetration into peritoneal cavity S31.620 Laceration with foreign body of abdominal wall, right upper quadrant with penetration into peritoneal cavity S31.621 Laceration with foreign body of abdominal wall, left upper quadrant with penetration into peritoneal cavity S31.622 Laceration with foreign body of abdominal wall, epigastric region with penetration into peritoneal cavity S31.623 Laceration with foreign body of abdominal wall, right lower quadrant with penetration into peritoneal cavity S31.624 Laceration with foreign body of abdominal wall, left lower quadrant with penetration into peritoneal cavity S31.625 Laceration with foreign body of abdominal wall, periumbilic region with penetration into peritoneal cavity S31.626 Laceration with foreign body of abdominal wall, right flank with penetration into peritoneal cavity S31.627 Laceration with foreign body of abdominal wall, left flank with penetration into peritoneal cavity S31.629 Laceration with foreign body of abdominal wall, unspecified quadrant with penetration into peritoneal cavity S31.62A Laceration with foreign body of abdominal wall, unspecified flank with penetration into peritoneal cavity S31.630 Puncture wound without foreign body of abdominal wall, right upper quadrant with penetration into peritoneal cavity S31.631 Puncture wound without foreign body of abdominal wall, left upper quadrant with penetration into peritoneal cavity S31.632 Puncture wound without foreign body of abdominal wall, epigastric region with penetration into peritoneal cavity S31.633 Puncture wound without foreign body of abdominal wall, right lower quadrant with penetration into peritoneal cavity S31.634 Puncture wound without foreign body of abdominal wall, left lower quadrant with penetration into peritoneal cavity S31.635 Puncture wound without foreign body of abdominal wall, periumbilic region with penetration into peritoneal cavity S31.636 Puncture wound of abdominal wall without foreign body, right flank with penetration into peritoneal cavity S31.637 Puncture wound of abdominal wall without foreign body, left flank with penetration into peritoneal cavity S31.639 Puncture wound without foreign body of abdominal wall, unspecified quadrant with penetration into peritoneal cavity S31.63A Puncture wound of abdominal wall without foreign body, unspecified flank with penetration into peritoneal cavity S31.640 Puncture wound with foreign body of abdominal wall, right upper quadrant with penetration into peritoneal cavity S31.641 Puncture wound with foreign body of abdominal wall, left upper quadrant with penetration into peritoneal cavity S31.642 Puncture wound with foreign body of abdominal wall, epigastric region with penetration into peritoneal cavity S31.643 Puncture wound with foreign body of abdominal wall, right lower quadrant with penetration into peritoneal cavity S31.644 Puncture wound with foreign body of abdominal wall, left lower quadrant with penetration into peritoneal cavity S31.645 Puncture wound with foreign body of abdominal wall, periumbilic region with penetration into peritoneal cavity S31.646 Puncture wound of abdominal wall with foreign body, right flank with penetration into peritoneal cavity S31.647 Puncture wound of abdominal wall with foreign body, left flank with penetration into peritoneal cavity S31.649 Puncture wound with foreign body of abdominal wall, unspecified quadrant with penetration into peritoneal cavity S31.64A Puncture wound of abdominal wall with foreign body, unspecified flank with penetration into peritoneal cavity S31.650 Open bite of abdominal wall, right upper quadrant with penetration into peritoneal cavity S31.651 Open bite of abdominal wall, left upper quadrant with penetration into peritoneal cavity S31.652 Open bite of abdominal wall, epigastric region with penetration into peritoneal cavity S31.653 Open bite of abdominal wall, right lower quadrant with penetration into peritoneal cavity S31.654 Open bite of abdominal wall, left lower quadrant with penetration into peritoneal cavity S31.655 Open bite of abdominal wall, periumbilic region with penetration into peritoneal cavity S31.656 Open bite of abdominal wall, right flank with penetration into peritoneal cavity S31.657 Open bite of abdominal wall, left flank with penetration into peritoneal cavity S31.659 Open bite of abdominal wall, unspecified quadrant with penetration into peritoneal cavity S31.65A Open bite of abdominal wall, unspecified flank with penetration into peritoneal cavity S31.801 Laceration without foreign body of unspecified buttock S31.802 Laceration with foreign body of unspecified buttock S31.803 Puncture wound without foreign body of unspecified buttock S31.804 Puncture wound with foreign body of unspecified buttock S31.805 Open bite of unspecified buttock S31.809 Unspecified open wound of unspecified buttock S31.811 Laceration without foreign body of right buttock S31.812 Laceration with foreign body of right buttock S31.813 Puncture wound without foreign body of right buttock S31.814 Puncture wound with foreign body of right buttock S31.815 Open bite of right buttock S31.819 Unspecified open wound of right buttock S31.821 Laceration without foreign body of left buttock S31.822 Laceration with foreign body of left buttock S31.823 Puncture wound without foreign body of left buttock S31.824 Puncture wound with foreign body of left buttock S31.825 Open bite of left buttock S31.829 Unspecified open wound of left buttock S31.831 Laceration without foreign body of anus S31.832 Laceration with foreign body of anus S31.833 Puncture wound without foreign body of anus S31.834 Puncture wound with foreign body of anus S31.835 Open bite of anus S31.839 Unspecified open wound of anus
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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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