Includes:

  • injuries to the abdominal wall
  • injuries to the anus
  • injuries to the buttock
  • injuries to the external genitalia
  • injuries to the flank
  • injuries to the groin

Excludes2

  • burns and corrosions (T20-T32)
  • effects of foreign body in anus and rectum (T18.5)
  • effects of foreign body in genitourinary tract (T19.-)
  • effects of foreign body in stomach, small intestine and colon (T18.2-T18.4)
  • frostbite (T33-T34)
  • insect bite or sting, venomous (T63.4)
  1. S31 Open wound of abdomen, lower back, pelvis and external genitals

    Excludes1

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

    Excludes2

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

    • A - initial encounter
    • D - subsequent encounter
    • S - sequela
    1. S31.0 Open wound of lower back and pelvis

      1. S31.00 Unspecified open wound of lower back and pelvis

        • S31.000 Unspecified open wound of lower back and pelvis without penetration into retroperitoneum

          Inclusion term(s):

          • Unspecified open wound of lower back and pelvis NOS
        • S31.001 Unspecified open wound of lower back and pelvis with penetration into retroperitoneum
      2. 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

          Inclusion term(s):

          • Laceration without foreign body of lower back and pelvis NOS
        • S31.011 Laceration without foreign body of lower back and pelvis with penetration into retroperitoneum
      3. 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

          Inclusion term(s):

          • Laceration with foreign body of lower back and pelvis NOS
        • S31.021 Laceration with foreign body of lower back and pelvis with penetration into retroperitoneum
      4. 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

          Inclusion term(s):

          • Puncture wound without foreign body of lower back and pelvis NOS
        • S31.031 Puncture wound without foreign body of lower back and pelvis with penetration into retroperitoneum
      5. 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

          Inclusion term(s):

          • Puncture wound with foreign body of lower back and pelvis NOS
        • S31.041 Puncture wound with foreign body of lower back and pelvis with penetration into retroperitoneum
      6. S31.05 Open bite of lower back and pelvis

        Inclusion term(s):

        • Bite of lower back and pelvis NOS
        • S31.050 Open bite of lower back and pelvis without penetration into retroperitoneum

          Inclusion term(s):

          • Open bite of lower back and pelvis NOS
        • S31.051 Open bite of lower back and pelvis with penetration into retroperitoneum
    2. S31.1 Open wound of abdominal wall without penetration into peritoneal cavity

      Inclusion term(s):

      • Open wound of abdominal wall NOS
      1. 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

          Inclusion term(s):

          • Unspecified open wound of abdominal wall NOS
      2. 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
      3. 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
      4. 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
      5. 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
      6. S31.15 Open bite of abdominal wall without penetration into peritoneal cavity

        Inclusion term(s):

        • Bite of abdominal wall NOS
        • 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
    3. S31.2 Open wound of penis

      1. S31.20 Unspecified open wound of penis

      2. S31.21 Laceration without foreign body of penis

      3. S31.22 Laceration with foreign body of penis

      4. S31.23 Puncture wound without foreign body of penis

      5. S31.24 Puncture wound with foreign body of penis

      6. S31.25 Open bite of penis

        Inclusion term(s):

        • Bite of penis NOS
    4. S31.3 Open wound of scrotum and testes

      1. S31.30 Unspecified open wound of scrotum and testes

      2. S31.31 Laceration without foreign body of scrotum and testes

      3. S31.32 Laceration with foreign body of scrotum and testes

      4. S31.33 Puncture wound without foreign body of scrotum and testes

      5. S31.34 Puncture wound with foreign body of scrotum and testes

      6. S31.35 Open bite of scrotum and testes

        Inclusion term(s):

        • Bite of scrotum and testes NOS
    5. S31.4 Open wound of vagina and vulva

      1. S31.40 Unspecified open wound of vagina and vulva

      2. S31.41 Laceration without foreign body of vagina and vulva

      3. S31.42 Laceration with foreign body of vagina and vulva

      4. S31.43 Puncture wound without foreign body of vagina and vulva

      5. S31.44 Puncture wound with foreign body of vagina and vulva

      6. S31.45 Open bite of vagina and vulva

        Inclusion term(s):

        • Bite of vagina and vulva NOS
    6. S31.5 Open wound of unspecified external genital organs

      1. 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
      2. 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
      3. 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
      4. 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
      5. 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
      6. S31.55 Open bite of unspecified external genital organs

        Inclusion term(s):

        • Bite of unspecified external genital organs NOS
        • S31.551 Open bite of unspecified external genital organs, male
        • S31.552 Open bite of unspecified external genital organs, female
    7. S31.6 Open wound of abdominal wall with penetration into peritoneal cavity

      1. 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
      2. 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
      3. 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
      4. 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
      5. 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
      6. 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
    8. S31.8 Open wound of other parts of abdomen, lower back and pelvis

      1. 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

          Inclusion term(s):

          • Bite of buttock NOS
        • S31.809 Unspecified open wound of unspecified buttock
      2. 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

          Inclusion term(s):

          • Bite of right buttock NOS
        • S31.819 Unspecified open wound of right buttock
      3. 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

          Inclusion term(s):

          • Bite of left buttock NOS
        • S31.829 Unspecified open wound of left buttock
      4. S31.83 Open wound of anus

Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.