ICD-10-CM S31: Open wound of abdomen, lower back, pelvis and external genitals

ICD-10-CM Diagnosis Code (2025)

Official Description for S31

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

Coding Notes & Guidelines for S31

Excludes1: Not Coded Here

traumatic amputation of part of abdomen, lower back and pelvis (S38.2-, S38.3)

Excludes1: Not Coded Here

superficial bite of lower back and pelvis (S30.860, S30.870)

Excludes1: Not Coded Here

superficial bite of abdominal wall (S30.871)

Excludes1: Not Coded Here

superficial bite of penis (S30.862, S30.872)

Excludes1: Not Coded Here

superficial bite of scrotum and testes (S30.863, S30.873)

Excludes1: Not Coded Here

injury to vagina and vulva during delivery (O70.-, O71.4)

Excludes1: Not Coded Here

superficial bite of vagina and vulva (S30.864, S30.874)

Excludes1: Not Coded Here

traumatic amputation of external genital organs (S38.21, S38.22)

Excludes1: Not Coded Here

superficial bite of unspecified external genital organs (S30.865, S30.866, S30.875, S30.876)

Excludes1: Not Coded Here

superficial bite of abdominal wall (S30.861, S30.871)

Excludes1: Not Coded Here

superficial bite of buttock (S30.870)

Excludes1: Not Coded Here

superficial bite of buttock (S30.870)

Excludes1: Not Coded Here

superficial bite of buttock (S30.870)

Excludes1: Not Coded Here

superficial bite of anus (S30.877)

Excludes2: Not Included Here
  • open wound of hip (S71.00-S71.02)
  • open fracture of pelvis (S32.1--S32.9 with 7th character B)
Excludes2: Not Included Here

open wound of abdominal wall with penetration into peritoneal cavity (S31.6-)

Inclusion Terms

Unspecified open wound of lower back and pelvis NOS

Inclusion Terms

Laceration without foreign body of lower back and pelvis NOS

Inclusion Terms

Laceration with foreign body of lower back and pelvis NOS

Inclusion Terms

Puncture wound without foreign body of lower back and pelvis NOS

Inclusion Terms

Puncture wound with foreign body of lower back and pelvis NOS

Inclusion Terms

Bite of lower back and pelvis NOS

Inclusion Terms

Open bite of lower back and pelvis NOS

Inclusion Terms

Open wound of abdominal wall NOS

Inclusion Terms

Unspecified open wound of abdominal wall NOS

Inclusion Terms

Bite of abdominal wall NOS

Inclusion Terms

Bite of penis NOS

Inclusion Terms

Bite of scrotum and testes NOS

Inclusion Terms

Bite of vagina and vulva NOS

Inclusion Terms

Bite of unspecified external genital organs NOS

Inclusion Terms

Bite of buttock NOS

Inclusion Terms

Bite of right buttock NOS

Inclusion Terms

Bite of left buttock NOS

Inclusion Terms

Bite of anus NOS

Code Also
  • any associated:
  • spinal cord injury (S24.0, S24.1-, S34.0-, S34.1-)
  • wound infection
7th Character Guidance

The appropriate 7th character is to be added to each code from category S31

7th Character Definitions
  • A: initial encounter
  • D: subsequent encounter
  • S: sequela

Child Codes (More Specific Codes for S31):

S31.0 - Open wound of lower back and pelvis S31.00 - Unspecified open wound of lower back and pelvis 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 S31.01 - Laceration without foreign body of lower back and pelvis 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 S31.02 - Laceration with foreign body of lower back and pelvis 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 S31.03 - Puncture wound without foreign body of lower back and pelvis 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 S31.04 - Puncture wound with foreign body of lower back and pelvis 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 S31.05 - Open bite of lower back and pelvis 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 S31.1 - Open wound of abdominal wall without penetration into peritoneal cavity S31.10 - Unspecified open wound of abdominal wall without penetration into peritoneal cavity 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 S31.109 - Unspecified open wound of abdominal wall, unspecified quadrant without penetration into peritoneal cavity S31.11 - Laceration without foreign body of abdominal wall 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 S31.119 - Laceration without foreign body of abdominal wall, unspecified quadrant without penetration into peritoneal cavity S31.12 - Laceration with foreign body of abdominal wall 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 S31.129 - Laceration of abdominal wall with foreign body, unspecified quadrant without penetration into peritoneal cavity S31.13 - Puncture wound of abdominal wall without foreign body 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 S31.139 - Puncture wound of abdominal wall without foreign body, unspecified quadrant without penetration into peritoneal cavity S31.14 - Puncture wound of abdominal wall with foreign body 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 S31.149 - Puncture wound of abdominal wall with foreign body, unspecified quadrant without penetration into peritoneal cavity S31.15 - Open bite of abdominal wall 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 S31.159 - Open bite of abdominal wall, unspecified quadrant without penetration into peritoneal cavity S31.2 - Open wound of penis 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 S31.3 - Open wound of scrotum and testes 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 S31.4 - Open wound of vagina and vulva 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 S31.5 - Open wound of unspecified external genital organs S31.50 - Unspecified open wound of unspecified external genital organs S31.501 - Unspecified open wound of unspecified external genital organs, male S31.502 - Unspecified open wound of unspecified external genital organs, female S31.51 - Laceration without foreign body of unspecified external genital organs S31.511 - Laceration without foreign body of unspecified external genital organs, male S31.512 - Laceration without foreign body of unspecified external genital organs, female S31.52 - Laceration with foreign body of unspecified external genital organs S31.521 - Laceration with foreign body of unspecified external genital organs, male S31.522 - Laceration with foreign body of unspecified external genital organs, female S31.53 - Puncture wound without foreign body of unspecified external genital organs 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 S31.54 - Puncture wound with foreign body of unspecified external genital organs 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 S31.55 - Open bite of unspecified external genital organs S31.551 - Open bite of unspecified external genital organs, male S31.552 - Open bite of unspecified external genital organs, female S31.6 - Open wound of abdominal wall with penetration into peritoneal cavity S31.60 - Unspecified open wound of abdominal wall with penetration into peritoneal cavity 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 S31.609 - Unspecified open wound of abdominal wall, unspecified quadrant with penetration into peritoneal cavity S31.61 - Laceration without foreign body of abdominal wall 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 S31.619 - Laceration without foreign body of abdominal wall, unspecified quadrant with penetration into peritoneal cavity S31.62 - Laceration with foreign body of abdominal wall 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 S31.629 - Laceration with foreign body of abdominal wall, unspecified quadrant with penetration into peritoneal cavity S31.63 - Puncture wound without foreign body of abdominal wall 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 S31.639 - Puncture wound without foreign body of abdominal wall, unspecified quadrant with penetration into peritoneal cavity S31.64 - Puncture wound with foreign body of abdominal wall 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 S31.649 - Puncture wound with foreign body of abdominal wall, unspecified quadrant with penetration into peritoneal cavity S31.65 - Open bite of abdominal wall 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 S31.659 - Open bite of abdominal wall, unspecified quadrant with penetration into peritoneal cavity S31.8 - Open wound of other parts of abdomen, lower back and pelvis S31.80 - Open wound of unspecified buttock 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 S31.81 - Open wound of right 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 S31.82 - Open wound of left 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 S31.83 - Open wound of anus 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

About ICD-10-CM Code S31 (Open wound of abdomen)

ICD-10-CM code S31 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM S31 became effective on October 1, 2024.

This page provides detailed information about S31 - Open wound of abdomen, lower back, pelvis and external genitals. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Open wound of abdomen related to lower back, pelvis and external genitals.