ICD-10-CM · Chapter 19 · S00-T88
S31 Open wound of abdomen, lower back, pelvis and external genitals
Excludes 1 (cannot be coded together)
- traumatic amputation of part of abdomen, lower back and pelvis (S38.2-, S38.3)
Excludes 2 (not included here)
- 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
Subcodes
Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.
| Code | Description | Billable |
|---|---|---|
| S31..0 | Open wound of lower back and pelvis | No |
| S31..00 | Unspecified open wound of lower back and pelvis | No |
| S31..000 | Unspecified open wound of lower back and pelvis without penetration into retroperitoneum | No |
| S31..001 | Unspecified open wound of lower back and pelvis with penetration into retroperitoneum | No |
| S31..01 | Laceration without foreign body of lower back and pelvis | No |
| S31..010 | Laceration without foreign body of lower back and pelvis without penetration into retroperitoneum | No |
| S31..011 | Laceration without foreign body of lower back and pelvis with penetration into retroperitoneum | No |
| S31..02 | Laceration with foreign body of lower back and pelvis | No |
| S31..020 | Laceration with foreign body of lower back and pelvis without penetration into retroperitoneum | No |
| S31..021 | Laceration with foreign body of lower back and pelvis with penetration into retroperitoneum | No |
| S31..03 | Puncture wound without foreign body of lower back and pelvis | No |
| S31..030 | Puncture wound without foreign body of lower back and pelvis without penetration into retroperitoneum | No |
| S31..031 | Puncture wound without foreign body of lower back and pelvis with penetration into retroperitoneum | No |
| S31..04 | Puncture wound with foreign body of lower back and pelvis | No |
| S31..040 | Puncture wound with foreign body of lower back and pelvis without penetration into retroperitoneum | No |
| S31..041 | Puncture wound with foreign body of lower back and pelvis with penetration into retroperitoneum | No |
| S31..05 | Open bite of lower back and pelvis | No |
| S31..050 | Open bite of lower back and pelvis without penetration into retroperitoneum | No |
| S31..051 | Open bite of lower back and pelvis with penetration into retroperitoneum | No |
| S31..1 | Open wound of abdominal wall without penetration into peritoneal cavity | No |
| S31..10 | Unspecified open wound of abdominal wall without penetration into peritoneal cavity | No |
| S31..100 | Unspecified open wound of abdominal wall, right upper quadrant without penetration into peritoneal cavity | No |
| S31..101 | Unspecified open wound of abdominal wall, left upper quadrant without penetration into peritoneal cavity | No |
| S31..102 | Unspecified open wound of abdominal wall, epigastric region without penetration into peritoneal cavity | No |
| S31..103 | Unspecified open wound of abdominal wall, right lower quadrant without penetration into peritoneal cavity | No |
| S31..104 | Unspecified open wound of abdominal wall, left lower quadrant without penetration into peritoneal cavity | No |
| S31..105 | Unspecified open wound of abdominal wall, periumbilic region without penetration into peritoneal cavity | No |
| S31..106 | Unspecified open wound of abdominal wall, right flank without penetration into peritoneal cavity | No |
| S31..107 | Unspecified open wound of abdominal wall, left flank without penetration into peritoneal cavity | No |
| S31..109 | Unspecified open wound of abdominal wall, unspecified quadrant without penetration into peritoneal cavity | No |
| S31..10A | Unspecified open wound of abdominal wall, unspecified flank without penetration into peritoneal cavity | No |
| S31..11 | Laceration without foreign body of abdominal wall without penetration into peritoneal cavity | No |
| S31..110 | Laceration without foreign body of abdominal wall, right upper quadrant without penetration into peritoneal cavity | No |
| S31..111 | Laceration without foreign body of abdominal wall, left upper quadrant without penetration into peritoneal cavity | No |
| S31..112 | Laceration without foreign body of abdominal wall, epigastric region without penetration into peritoneal cavity | No |
| S31..113 | Laceration without foreign body of abdominal wall, right lower quadrant without penetration into peritoneal cavity | No |
| S31..114 | Laceration without foreign body of abdominal wall, left lower quadrant without penetration into peritoneal cavity | No |
| S31..115 | Laceration without foreign body of abdominal wall, periumbilic region without penetration into peritoneal cavity | No |
| S31..116 | Laceration without foreign body of abdominal wall, right flank without penetration into peritoneal cavity | No |
| S31..117 | Laceration without foreign body of abdominal wall, left flank without penetration into peritoneal cavity | No |
| S31..119 | Laceration without foreign body of abdominal wall, unspecified quadrant without penetration into peritoneal cavity | No |
| S31..11A | Laceration without foreign body of abdominal wall, unspecified flank without penetration into peritoneal cavity | No |
| S31..12 | Laceration with foreign body of abdominal wall without penetration into peritoneal cavity | No |
| S31..120 | Laceration of abdominal wall with foreign body, right upper quadrant without penetration into peritoneal cavity | No |
| S31..121 | Laceration of abdominal wall with foreign body, left upper quadrant without penetration into peritoneal cavity | No |
| S31..122 | Laceration of abdominal wall with foreign body, epigastric region without penetration into peritoneal cavity | No |
| S31..123 | Laceration of abdominal wall with foreign body, right lower quadrant without penetration into peritoneal cavity | No |
| S31..124 | Laceration of abdominal wall with foreign body, left lower quadrant without penetration into peritoneal cavity | No |
| S31..125 | Laceration of abdominal wall with foreign body, periumbilic region without penetration into peritoneal cavity | No |
| S31..126 | Laceration with foreign body of abdominal wall, right flank without penetration into peritoneal cavity | No |
| S31..127 | Laceration with foreign body of abdominal wall, left flank without penetration into peritoneal cavity | No |
| S31..129 | Laceration of abdominal wall with foreign body, unspecified quadrant without penetration into peritoneal cavity | No |
| S31..12A | Laceration with foreign body of abdominal wall unspecified flank without penetration into peritoneal cavity | No |
| S31..13 | Puncture wound of abdominal wall without foreign body without penetration into peritoneal cavity | No |
| S31..130 | Puncture wound of abdominal wall without foreign body, right upper quadrant without penetration into peritoneal cavity | No |
| S31..131 | Puncture wound of abdominal wall without foreign body, left upper quadrant without penetration into peritoneal cavity | No |
| S31..132 | Puncture wound of abdominal wall without foreign body, epigastric region without penetration into peritoneal cavity | No |
| S31..133 | Puncture wound of abdominal wall without foreign body, right lower quadrant without penetration into peritoneal cavity | No |
| S31..134 | Puncture wound of abdominal wall without foreign body, left lower quadrant without penetration into peritoneal cavity | No |
| S31..135 | Puncture wound of abdominal wall without foreign body, periumbilic region without penetration into peritoneal cavity | No |
| S31..136 | Puncture wound of abdominal wall without foreign body, right flank without penetration into peritoneal cavity | No |
| S31..137 | Puncture wound of abdominal wall without foreign body, left flank without penetration into peritoneal cavity | No |
| S31..139 | Puncture wound of abdominal wall without foreign body, unspecified quadrant without penetration into peritoneal cavity | No |
| S31..13A | Puncture wound of abdominal wall without foreign body, unspecified flank without penetration into peritoneal cavity | No |
| S31..14 | Puncture wound of abdominal wall with foreign body without penetration into peritoneal cavity | No |
| S31..140 | Puncture wound of abdominal wall with foreign body, right upper quadrant without penetration into peritoneal cavity | No |
| S31..141 | Puncture wound of abdominal wall with foreign body, left upper quadrant without penetration into peritoneal cavity | No |
| S31..142 | Puncture wound of abdominal wall with foreign body, epigastric region without penetration into peritoneal cavity | No |
| S31..143 | Puncture wound of abdominal wall with foreign body, right lower quadrant without penetration into peritoneal cavity | No |
| S31..144 | Puncture wound of abdominal wall with foreign body, left lower quadrant without penetration into peritoneal cavity | No |
| S31..145 | Puncture wound of abdominal wall with foreign body, periumbilic region without penetration into peritoneal cavity | No |
| S31..146 | Puncture wound of abdominal wall with foreign body, right flank without penetration into peritoneal cavity | No |
| S31..147 | Puncture wound of abdominal wall with foreign body, left flank without penetration into peritoneal cavity | No |
| S31..149 | Puncture wound of abdominal wall with foreign body, unspecified quadrant without penetration into peritoneal cavity | No |
| S31..14A | Puncture wound of abdominal wall with foreign body, unspecified flank without penetration into peritoneal cavity | No |
| S31..15 | Open bite of abdominal wall without penetration into peritoneal cavity | No |
| S31..150 | Open bite of abdominal wall, right upper quadrant without penetration into peritoneal cavity | No |
| S31..151 | Open bite of abdominal wall, left upper quadrant without penetration into peritoneal cavity | No |
| S31..152 | Open bite of abdominal wall, epigastric region without penetration into peritoneal cavity | No |
| S31..153 | Open bite of abdominal wall, right lower quadrant without penetration into peritoneal cavity | No |
| S31..154 | Open bite of abdominal wall, left lower quadrant without penetration into peritoneal cavity | No |
| S31..155 | Open bite of abdominal wall, periumbilic region without penetration into peritoneal cavity | No |
| S31..156 | Open bite of abdominal wall, right flank without penetration into peritoneal cavity | No |
| S31..157 | Open bite of abdominal wall, left flank without penetration into peritoneal cavity | No |
| S31..159 | Open bite of abdominal wall, unspecified quadrant without penetration into peritoneal cavity | No |
| S31..15A | Open bite of abdominal wall, unspecified flank without penetration into peritoneal cavity | No |
| S31..2 | Open wound of penis | No |
| S31..20 | Unspecified open wound of penis | No |
| S31..21 | Laceration without foreign body of penis | No |
| S31..22 | Laceration with foreign body of penis | No |
| S31..23 | Puncture wound without foreign body of penis | No |
| S31..24 | Puncture wound with foreign body of penis | No |
| S31..25 | Open bite of penis | No |
| S31..3 | Open wound of scrotum and testes | No |
| S31..30 | Unspecified open wound of scrotum and testes | No |
| S31..31 | Laceration without foreign body of scrotum and testes | No |
| S31..32 | Laceration with foreign body of scrotum and testes | No |
| S31..33 | Puncture wound without foreign body of scrotum and testes | No |
| S31..34 | Puncture wound with foreign body of scrotum and testes | No |
| S31..35 | Open bite of scrotum and testes | No |
| S31..4 | Open wound of vagina and vulva | No |
| S31..40 | Unspecified open wound of vagina and vulva | No |
| S31..41 | Laceration without foreign body of vagina and vulva | No |
| S31..42 | Laceration with foreign body of vagina and vulva | No |
| S31..43 | Puncture wound without foreign body of vagina and vulva | No |
| S31..44 | Puncture wound with foreign body of vagina and vulva | No |
| S31..45 | Open bite of vagina and vulva | No |
| S31..5 | Open wound of unspecified external genital organs | No |
| S31..50 | Unspecified open wound of unspecified external genital organs | No |
| S31..501 | Unspecified open wound of unspecified external genital organs, male | No |
| S31..502 | Unspecified open wound of unspecified external genital organs, female | No |
| S31..51 | Laceration without foreign body of unspecified external genital organs | No |
| S31..511 | Laceration without foreign body of unspecified external genital organs, male | No |
| S31..512 | Laceration without foreign body of unspecified external genital organs, female | No |
| S31..52 | Laceration with foreign body of unspecified external genital organs | No |
| S31..521 | Laceration with foreign body of unspecified external genital organs, male | No |
| S31..522 | Laceration with foreign body of unspecified external genital organs, female | No |
| S31..53 | Puncture wound without foreign body of unspecified external genital organs | No |
| S31..531 | Puncture wound without foreign body of unspecified external genital organs, male | No |
| S31..532 | Puncture wound without foreign body of unspecified external genital organs, female | No |
| S31..54 | Puncture wound with foreign body of unspecified external genital organs | No |
| S31..541 | Puncture wound with foreign body of unspecified external genital organs, male | No |
| S31..542 | Puncture wound with foreign body of unspecified external genital organs, female | No |
| S31..55 | Open bite of unspecified external genital organs | No |
| S31..551 | Open bite of unspecified external genital organs, male | No |
| S31..552 | Open bite of unspecified external genital organs, female | No |
| S31..6 | Open wound of abdominal wall with penetration into peritoneal cavity | No |
| S31..60 | Unspecified open wound of abdominal wall with penetration into peritoneal cavity | No |
| S31..600 | Unspecified open wound of abdominal wall, right upper quadrant with penetration into peritoneal cavity | No |
| S31..601 | Unspecified open wound of abdominal wall, left upper quadrant with penetration into peritoneal cavity | No |
| S31..602 | Unspecified open wound of abdominal wall, epigastric region with penetration into peritoneal cavity | No |
| S31..603 | Unspecified open wound of abdominal wall, right lower quadrant with penetration into peritoneal cavity | No |
| S31..604 | Unspecified open wound of abdominal wall, left lower quadrant with penetration into peritoneal cavity | No |
| S31..605 | Unspecified open wound of abdominal wall, periumbilic region with penetration into peritoneal cavity | No |
| S31..606 | Unspecified open wound of abdominal wall, right flank with penetration into peritoneal cavity | No |
| S31..607 | Unspecified open wound of abdominal wall, left flank with penetration into peritoneal cavity | No |
| S31..609 | Unspecified open wound of abdominal wall, unspecified quadrant with penetration into peritoneal cavity | No |
| S31..60A | Unspecified open wound of abdominal wall, unspecified flank with penetration into peritoneal cavity | No |
| S31..61 | Laceration without foreign body of abdominal wall with penetration into peritoneal cavity | No |
| S31..610 | Laceration without foreign body of abdominal wall, right upper quadrant with penetration into peritoneal cavity | No |
| S31..611 | Laceration without foreign body of abdominal wall, left upper quadrant with penetration into peritoneal cavity | No |
| S31..612 | Laceration without foreign body of abdominal wall, epigastric region with penetration into peritoneal cavity | No |
| S31..613 | Laceration without foreign body of abdominal wall, right lower quadrant with penetration into peritoneal cavity | No |
| S31..614 | Laceration without foreign body of abdominal wall, left lower quadrant with penetration into peritoneal cavity | No |
| S31..615 | Laceration without foreign body of abdominal wall, periumbilic region with penetration into peritoneal cavity | No |
| S31..616 | Laceration without foreign body of abdominal wall, right flank with penetration into peritoneal cavity | No |
| S31..617 | Laceration without foreign body of abdominal wall, left flank with penetration into peritoneal cavity | No |
| S31..619 | Laceration without foreign body of abdominal wall, unspecified quadrant with penetration into peritoneal cavity | No |
| S31..61A | Laceration without foreign body of abdominal wall, unspecified flank with penetration into peritoneal cavity | No |
| S31..62 | Laceration with foreign body of abdominal wall with penetration into peritoneal cavity | No |
| S31..620 | Laceration with foreign body of abdominal wall, right upper quadrant with penetration into peritoneal cavity | No |
| S31..621 | Laceration with foreign body of abdominal wall, left upper quadrant with penetration into peritoneal cavity | No |
| S31..622 | Laceration with foreign body of abdominal wall, epigastric region with penetration into peritoneal cavity | No |
| S31..623 | Laceration with foreign body of abdominal wall, right lower quadrant with penetration into peritoneal cavity | No |
| S31..624 | Laceration with foreign body of abdominal wall, left lower quadrant with penetration into peritoneal cavity | No |
| S31..625 | Laceration with foreign body of abdominal wall, periumbilic region with penetration into peritoneal cavity | No |
| S31..626 | Laceration with foreign body of abdominal wall, right flank with penetration into peritoneal cavity | No |
| S31..627 | Laceration with foreign body of abdominal wall, left flank with penetration into peritoneal cavity | No |
| S31..629 | Laceration with foreign body of abdominal wall, unspecified quadrant with penetration into peritoneal cavity | No |
| S31..62A | Laceration with foreign body of abdominal wall, unspecified flank with penetration into peritoneal cavity | No |
| S31..63 | Puncture wound without foreign body of abdominal wall with penetration into peritoneal cavity | No |
| S31..630 | Puncture wound without foreign body of abdominal wall, right upper quadrant with penetration into peritoneal cavity | No |
| S31..631 | Puncture wound without foreign body of abdominal wall, left upper quadrant with penetration into peritoneal cavity | No |
| S31..632 | Puncture wound without foreign body of abdominal wall, epigastric region with penetration into peritoneal cavity | No |
| S31..633 | Puncture wound without foreign body of abdominal wall, right lower quadrant with penetration into peritoneal cavity | No |
| S31..634 | Puncture wound without foreign body of abdominal wall, left lower quadrant with penetration into peritoneal cavity | No |
| S31..635 | Puncture wound without foreign body of abdominal wall, periumbilic region with penetration into peritoneal cavity | No |
| S31..636 | Puncture wound of abdominal wall without foreign body, right flank with penetration into peritoneal cavity | No |
| S31..637 | Puncture wound of abdominal wall without foreign body, left flank with penetration into peritoneal cavity | No |
| S31..639 | Puncture wound without foreign body of abdominal wall, unspecified quadrant with penetration into peritoneal cavity | No |
| S31..63A | Puncture wound of abdominal wall without foreign body, unspecified flank with penetration into peritoneal cavity | No |
| S31..64 | Puncture wound with foreign body of abdominal wall with penetration into peritoneal cavity | No |
| S31..640 | Puncture wound with foreign body of abdominal wall, right upper quadrant with penetration into peritoneal cavity | No |
| S31..641 | Puncture wound with foreign body of abdominal wall, left upper quadrant with penetration into peritoneal cavity | No |
| S31..642 | Puncture wound with foreign body of abdominal wall, epigastric region with penetration into peritoneal cavity | No |
| S31..643 | Puncture wound with foreign body of abdominal wall, right lower quadrant with penetration into peritoneal cavity | No |
| S31..644 | Puncture wound with foreign body of abdominal wall, left lower quadrant with penetration into peritoneal cavity | No |
| S31..645 | Puncture wound with foreign body of abdominal wall, periumbilic region with penetration into peritoneal cavity | No |
| S31..646 | Puncture wound of abdominal wall with foreign body, right flank with penetration into peritoneal cavity | No |
| S31..647 | Puncture wound of abdominal wall with foreign body, left flank with penetration into peritoneal cavity | No |
| S31..649 | Puncture wound with foreign body of abdominal wall, unspecified quadrant with penetration into peritoneal cavity | No |
| S31..64A | Puncture wound of abdominal wall with foreign body, unspecified flank with penetration into peritoneal cavity | No |
| S31..65 | Open bite of abdominal wall with penetration into peritoneal cavity | No |
| S31..650 | Open bite of abdominal wall, right upper quadrant with penetration into peritoneal cavity | No |
| S31..651 | Open bite of abdominal wall, left upper quadrant with penetration into peritoneal cavity | No |
| S31..652 | Open bite of abdominal wall, epigastric region with penetration into peritoneal cavity | No |
| S31..653 | Open bite of abdominal wall, right lower quadrant with penetration into peritoneal cavity | No |
| S31..654 | Open bite of abdominal wall, left lower quadrant with penetration into peritoneal cavity | No |
| S31..655 | Open bite of abdominal wall, periumbilic region with penetration into peritoneal cavity | No |
| S31..656 | Open bite of abdominal wall, right flank with penetration into peritoneal cavity | No |
| S31..657 | Open bite of abdominal wall, left flank with penetration into peritoneal cavity | No |
| S31..659 | Open bite of abdominal wall, unspecified quadrant with penetration into peritoneal cavity | No |
| S31..65A | Open bite of abdominal wall, unspecified flank with penetration into peritoneal cavity | No |
| S31..8 | Open wound of other parts of abdomen, lower back and pelvis | No |
| S31..80 | Open wound of unspecified buttock | No |
| S31..801 | Laceration without foreign body of unspecified buttock | No |
| S31..802 | Laceration with foreign body of unspecified buttock | No |
| S31..803 | Puncture wound without foreign body of unspecified buttock | No |
| S31..804 | Puncture wound with foreign body of unspecified buttock | No |
| S31..805 | Open bite of unspecified buttock | No |
| S31..809 | Unspecified open wound of unspecified buttock | No |
| S31..81 | Open wound of right buttock | No |
| S31..811 | Laceration without foreign body of right buttock | No |
| S31..812 | Laceration with foreign body of right buttock | No |
| S31..813 | Puncture wound without foreign body of right buttock | No |
| S31..814 | Puncture wound with foreign body of right buttock | No |
| S31..815 | Open bite of right buttock | No |
| S31..819 | Unspecified open wound of right buttock | No |
| S31..82 | Open wound of left buttock | No |
| S31..821 | Laceration without foreign body of left buttock | No |
| S31..822 | Laceration with foreign body of left buttock | No |
| S31..823 | Puncture wound without foreign body of left buttock | No |
| S31..824 | Puncture wound with foreign body of left buttock | No |
| S31..825 | Open bite of left buttock | No |
| S31..829 | Unspecified open wound of left buttock | No |
| S31..83 | Open wound of anus | No |
| S31..831 | Laceration without foreign body of anus | No |
| S31..832 | Laceration with foreign body of anus | No |
| S31..833 | Puncture wound without foreign body of anus | No |
| S31..834 | Puncture wound with foreign body of anus | No |
| S31..835 | Open bite of anus | No |
| S31..839 | Unspecified open wound of anus | No |
Last reviewed: September 2026