Excludes2

  • burns and corrosions (T20-T32)
  • fracture of ankle and malleolus (S82.-)
  • frostbite (T33-T34)
  • insect bite or sting, venomous (T63.4)
  1. S91 Open wound of ankle, foot and toes

    Excludes1

    • open fracture of ankle, foot and toes (S92.-with 7th character B)
    • traumatic amputation of ankle and foot (S98.-)

    The appropriate 7th character is to be added to each code from category S91

    • A - initial encounter
    • D - subsequent encounter
    • S - sequela
    1. S91.0 Open wound of ankle

      1. S91.00 Unspecified open wound of ankle

        • S91.001 Unspecified open wound, right ankle
        • S91.002 Unspecified open wound, left ankle
        • S91.009 Unspecified open wound, unspecified ankle
      2. S91.01 Laceration without foreign body of ankle

        • S91.011 Laceration without foreign body, right ankle
        • S91.012 Laceration without foreign body, left ankle
        • S91.019 Laceration without foreign body, unspecified ankle
      3. S91.02 Laceration with foreign body of ankle

        • S91.021 Laceration with foreign body, right ankle
        • S91.022 Laceration with foreign body, left ankle
        • S91.029 Laceration with foreign body, unspecified ankle
      4. S91.03 Puncture wound without foreign body of ankle

        • S91.031 Puncture wound without foreign body, right ankle
        • S91.032 Puncture wound without foreign body, left ankle
        • S91.039 Puncture wound without foreign body, unspecified ankle
      5. S91.04 Puncture wound with foreign body of ankle

        • S91.041 Puncture wound with foreign body, right ankle
        • S91.042 Puncture wound with foreign body, left ankle
        • S91.049 Puncture wound with foreign body, unspecified ankle
      6. S91.05 Open bite of ankle

    2. S91.1 Open wound of toe without damage to nail

      1. S91.10 Unspecified open wound of toe without damage to nail

        • S91.101 Unspecified open wound of right great toe without damage to nail
        • S91.102 Unspecified open wound of left great toe without damage to nail
        • S91.103 Unspecified open wound of unspecified great toe without damage to nail
        • S91.104 Unspecified open wound of right lesser toe(s) without damage to nail
        • S91.105 Unspecified open wound of left lesser toe(s) without damage to nail
        • S91.106 Unspecified open wound of unspecified lesser toe(s) without damage to nail
        • S91.109 Unspecified open wound of unspecified toe(s) without damage to nail
      2. S91.11 Laceration without foreign body of toe without damage to nail

        • S91.111 Laceration without foreign body of right great toe without damage to nail
        • S91.112 Laceration without foreign body of left great toe without damage to nail
        • S91.113 Laceration without foreign body of unspecified great toe without damage to nail
        • S91.114 Laceration without foreign body of right lesser toe(s) without damage to nail
        • S91.115 Laceration without foreign body of left lesser toe(s) without damage to nail
        • S91.116 Laceration without foreign body of unspecified lesser toe(s) without damage to nail
        • S91.119 Laceration without foreign body of unspecified toe without damage to nail
      3. S91.12 Laceration with foreign body of toe without damage to nail

        • S91.121 Laceration with foreign body of right great toe without damage to nail
        • S91.122 Laceration with foreign body of left great toe without damage to nail
        • S91.123 Laceration with foreign body of unspecified great toe without damage to nail
        • S91.124 Laceration with foreign body of right lesser toe(s) without damage to nail
        • S91.125 Laceration with foreign body of left lesser toe(s) without damage to nail
        • S91.126 Laceration with foreign body of unspecified lesser toe(s) without damage to nail
        • S91.129 Laceration with foreign body of unspecified toe(s) without damage to nail
      4. S91.13 Puncture wound without foreign body of toe without damage to nail

        • S91.131 Puncture wound without foreign body of right great toe without damage to nail
        • S91.132 Puncture wound without foreign body of left great toe without damage to nail
        • S91.133 Puncture wound without foreign body of unspecified great toe without damage to nail
        • S91.134 Puncture wound without foreign body of right lesser toe(s) without damage to nail
        • S91.135 Puncture wound without foreign body of left lesser toe(s) without damage to nail
        • S91.136 Puncture wound without foreign body of unspecified lesser toe(s) without damage to nail
        • S91.139 Puncture wound without foreign body of unspecified toe(s) without damage to nail
      5. S91.14 Puncture wound with foreign body of toe without damage to nail

        • S91.141 Puncture wound with foreign body of right great toe without damage to nail
        • S91.142 Puncture wound with foreign body of left great toe without damage to nail
        • S91.143 Puncture wound with foreign body of unspecified great toe without damage to nail
        • S91.144 Puncture wound with foreign body of right lesser toe(s) without damage to nail
        • S91.145 Puncture wound with foreign body of left lesser toe(s) without damage to nail
        • S91.146 Puncture wound with foreign body of unspecified lesser toe(s) without damage to nail
        • S91.149 Puncture wound with foreign body of unspecified toe(s) without damage to nail
      6. S91.15 Open bite of toe without damage to nail

        Inclusion term(s):

        • Bite of toe NOS
        • S91.151 Open bite of right great toe without damage to nail
        • S91.152 Open bite of left great toe without damage to nail
        • S91.153 Open bite of unspecified great toe without damage to nail
        • S91.154 Open bite of right lesser toe(s) without damage to nail
        • S91.155 Open bite of left lesser toe(s) without damage to nail
        • S91.156 Open bite of unspecified lesser toe(s) without damage to nail
        • S91.159 Open bite of unspecified toe(s) without damage to nail
    3. S91.2 Open wound of toe with damage to nail

      1. S91.20 Unspecified open wound of toe with damage to nail

        • S91.201 Unspecified open wound of right great toe with damage to nail
        • S91.202 Unspecified open wound of left great toe with damage to nail
        • S91.203 Unspecified open wound of unspecified great toe with damage to nail
        • S91.204 Unspecified open wound of right lesser toe(s) with damage to nail
        • S91.205 Unspecified open wound of left lesser toe(s) with damage to nail
        • S91.206 Unspecified open wound of unspecified lesser toe(s) with damage to nail
        • S91.209 Unspecified open wound of unspecified toe(s) with damage to nail
      2. S91.21 Laceration without foreign body of toe with damage to nail

        • S91.211 Laceration without foreign body of right great toe with damage to nail
        • S91.212 Laceration without foreign body of left great toe with damage to nail
        • S91.213 Laceration without foreign body of unspecified great toe with damage to nail
        • S91.214 Laceration without foreign body of right lesser toe(s) with damage to nail
        • S91.215 Laceration without foreign body of left lesser toe(s) with damage to nail
        • S91.216 Laceration without foreign body of unspecified lesser toe(s) with damage to nail
        • S91.219 Laceration without foreign body of unspecified toe(s) with damage to nail
      3. S91.22 Laceration with foreign body of toe with damage to nail

        • S91.221 Laceration with foreign body of right great toe with damage to nail
        • S91.222 Laceration with foreign body of left great toe with damage to nail
        • S91.223 Laceration with foreign body of unspecified great toe with damage to nail
        • S91.224 Laceration with foreign body of right lesser toe(s) with damage to nail
        • S91.225 Laceration with foreign body of left lesser toe(s) with damage to nail
        • S91.226 Laceration with foreign body of unspecified lesser toe(s) with damage to nail
        • S91.229 Laceration with foreign body of unspecified toe(s) with damage to nail
      4. S91.23 Puncture wound without foreign body of toe with damage to nail

        • S91.231 Puncture wound without foreign body of right great toe with damage to nail
        • S91.232 Puncture wound without foreign body of left great toe with damage to nail
        • S91.233 Puncture wound without foreign body of unspecified great toe with damage to nail
        • S91.234 Puncture wound without foreign body of right lesser toe(s) with damage to nail
        • S91.235 Puncture wound without foreign body of left lesser toe(s) with damage to nail
        • S91.236 Puncture wound without foreign body of unspecified lesser toe(s) with damage to nail
        • S91.239 Puncture wound without foreign body of unspecified toe(s) with damage to nail
      5. S91.24 Puncture wound with foreign body of toe with damage to nail

        • S91.241 Puncture wound with foreign body of right great toe with damage to nail
        • S91.242 Puncture wound with foreign body of left great toe with damage to nail
        • S91.243 Puncture wound with foreign body of unspecified great toe with damage to nail
        • S91.244 Puncture wound with foreign body of right lesser toe(s) with damage to nail
        • S91.245 Puncture wound with foreign body of left lesser toe(s) with damage to nail
        • S91.246 Puncture wound with foreign body of unspecified lesser toe(s) with damage to nail
        • S91.249 Puncture wound with foreign body of unspecified toe(s) with damage to nail
      6. S91.25 Open bite of toe with damage to nail

        Inclusion term(s):

        • Bite of toe with damage to nail NOS
        • S91.251 Open bite of right great toe with damage to nail
        • S91.252 Open bite of left great toe with damage to nail
        • S91.253 Open bite of unspecified great toe with damage to nail
        • S91.254 Open bite of right lesser toe(s) with damage to nail
        • S91.255 Open bite of left lesser toe(s) with damage to nail
        • S91.256 Open bite of unspecified lesser toe(s) with damage to nail
        • S91.259 Open bite of unspecified toe(s) with damage to nail
    4. S91.3 Open wound of foot

      1. S91.30 Unspecified open wound of foot

        • S91.301 Unspecified open wound, right foot
        • S91.302 Unspecified open wound, left foot
        • S91.309 Unspecified open wound, unspecified foot
      2. S91.31 Laceration without foreign body of foot

        • S91.311 Laceration without foreign body, right foot
        • S91.312 Laceration without foreign body, left foot
        • S91.319 Laceration without foreign body, unspecified foot
      3. S91.32 Laceration with foreign body of foot

        • S91.321 Laceration with foreign body, right foot
        • S91.322 Laceration with foreign body, left foot
        • S91.329 Laceration with foreign body, unspecified foot
      4. S91.33 Puncture wound without foreign body of foot

        • S91.331 Puncture wound without foreign body, right foot
        • S91.332 Puncture wound without foreign body, left foot
        • S91.339 Puncture wound without foreign body, unspecified foot
      5. S91.34 Puncture wound with foreign body of foot

        • S91.341 Puncture wound with foreign body, right foot
        • S91.342 Puncture wound with foreign body, left foot
        • S91.349 Puncture wound with foreign body, unspecified foot
      6. S91.35 Open bite of foot

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.