Excludes2

  • burns and corrosions (T20-T32)
  • fracture of ankle and malleolus (S82.-)
  • frostbite (T33-T34)
  • insect bite or sting, venomous (T63.4)
  1. S90 Superficial injury of ankle, foot and toes

    The appropriate 7th character is to be added to each code from category S90

    • A - initial encounter
    • D - subsequent encounter
    • S - sequela
    1. S90.0 Contusion of ankle

      1. S90.00 Contusion of unspecified ankle

      2. S90.01 Contusion of right ankle

      3. S90.02 Contusion of left ankle

    2. S90.1 Contusion of toe without damage to nail

      1. S90.11 Contusion of great toe without damage to nail

        • S90.111 Contusion of right great toe without damage to nail
        • S90.112 Contusion of left great toe without damage to nail
        • S90.119 Contusion of unspecified great toe without damage to nail
      2. S90.12 Contusion of lesser toe without damage to nail

        • S90.121 Contusion of right lesser toe(s) without damage to nail
        • S90.122 Contusion of left lesser toe(s) without damage to nail
        • S90.129 Contusion of unspecified lesser toe(s) without damage to nail

          Inclusion term(s):

          • Contusion of toe NOS
    3. S90.2 Contusion of toe with damage to nail

      1. S90.21 Contusion of great toe with damage to nail

        • S90.211 Contusion of right great toe with damage to nail
        • S90.212 Contusion of left great toe with damage to nail
        • S90.219 Contusion of unspecified great toe with damage to nail
      2. S90.22 Contusion of lesser toe with damage to nail

        • S90.221 Contusion of right lesser toe(s) with damage to nail
        • S90.222 Contusion of left lesser toe(s) with damage to nail
        • S90.229 Contusion of unspecified lesser toe(s) with damage to nail
    4. S90.3 Contusion of foot

      1. S90.30 Contusion of unspecified foot

        Inclusion term(s):

        • Contusion of foot NOS
      2. S90.31 Contusion of right foot

      3. S90.32 Contusion of left foot

    5. S90.4 Other superficial injuries of toe

      1. S90.41 Abrasion of toe

        • S90.411 Abrasion, right great toe
        • S90.412 Abrasion, left great toe
        • S90.413 Abrasion, unspecified great toe
        • S90.414 Abrasion, right lesser toe(s)
        • S90.415 Abrasion, left lesser toe(s)
        • S90.416 Abrasion, unspecified lesser toe(s)
      2. S90.42 Blister (nonthermal) of toe

        • S90.421 Blister (nonthermal), right great toe
        • S90.422 Blister (nonthermal), left great toe
        • S90.423 Blister (nonthermal), unspecified great toe
        • S90.424 Blister (nonthermal), right lesser toe(s)
        • S90.425 Blister (nonthermal), left lesser toe(s)
        • S90.426 Blister (nonthermal), unspecified lesser toe(s)
      3. S90.44 External constriction of toe

        Inclusion term(s):

        • Hair tourniquet syndrome of toe
        • S90.441 External constriction, right great toe
        • S90.442 External constriction, left great toe
        • S90.443 External constriction, unspecified great toe
        • S90.444 External constriction, right lesser toe(s)
        • S90.445 External constriction, left lesser toe(s)
        • S90.446 External constriction, unspecified lesser toe(s)
      4. S90.45 Superficial foreign body of toe

        Inclusion term(s):

        • Splinter in the toe
        • S90.451 Superficial foreign body, right great toe
        • S90.452 Superficial foreign body, left great toe
        • S90.453 Superficial foreign body, unspecified great toe
        • S90.454 Superficial foreign body, right lesser toe(s)
        • S90.455 Superficial foreign body, left lesser toe(s)
        • S90.456 Superficial foreign body, unspecified lesser toe(s)
      5. S90.46 Insect bite (nonvenomous) of toe

        • S90.461 Insect bite (nonvenomous), right great toe
        • S90.462 Insect bite (nonvenomous), left great toe
        • S90.463 Insect bite (nonvenomous), unspecified great toe
        • S90.464 Insect bite (nonvenomous), right lesser toe(s)
        • S90.465 Insect bite (nonvenomous), left lesser toe(s)
        • S90.466 Insect bite (nonvenomous), unspecified lesser toe(s)
      6. S90.47 Other superficial bite of toe

        • S90.471 Other superficial bite of right great toe
        • S90.472 Other superficial bite of left great toe
        • S90.473 Other superficial bite of unspecified great toe
        • S90.474 Other superficial bite of right lesser toe(s)
        • S90.475 Other superficial bite of left lesser toe(s)
        • S90.476 Other superficial bite of unspecified lesser toe(s)
    6. S90.5 Other superficial injuries of ankle

      1. S90.51 Abrasion of ankle

      2. S90.52 Blister (nonthermal) of ankle

        • S90.521 Blister (nonthermal), right ankle
        • S90.522 Blister (nonthermal), left ankle
        • S90.529 Blister (nonthermal), unspecified ankle
      3. S90.54 External constriction of ankle

        • S90.541 External constriction, right ankle
        • S90.542 External constriction, left ankle
        • S90.549 External constriction, unspecified ankle
      4. S90.55 Superficial foreign body of ankle

        Inclusion term(s):

        • Splinter in the ankle
        • S90.551 Superficial foreign body, right ankle
        • S90.552 Superficial foreign body, left ankle
        • S90.559 Superficial foreign body, unspecified ankle
      5. S90.56 Insect bite (nonvenomous) of ankle

        • S90.561 Insect bite (nonvenomous), right ankle
        • S90.562 Insect bite (nonvenomous), left ankle
        • S90.569 Insect bite (nonvenomous), unspecified ankle
      6. S90.57 Other superficial bite of ankle

        • S90.571 Other superficial bite of ankle, right ankle
        • S90.572 Other superficial bite of ankle, left ankle
        • S90.579 Other superficial bite of ankle, unspecified ankle
    7. S90.8 Other superficial injuries of foot

      1. S90.81 Abrasion of foot

      2. S90.82 Blister (nonthermal) of foot

        • S90.821 Blister (nonthermal), right foot
        • S90.822 Blister (nonthermal), left foot
        • S90.829 Blister (nonthermal), unspecified foot
      3. S90.84 External constriction of foot

        • S90.841 External constriction, right foot
        • S90.842 External constriction, left foot
        • S90.849 External constriction, unspecified foot
      4. S90.85 Superficial foreign body of foot

        Inclusion term(s):

        • Splinter in the foot
        • S90.851 Superficial foreign body, right foot
        • S90.852 Superficial foreign body, left foot
        • S90.859 Superficial foreign body, unspecified foot
      5. S90.86 Insect bite (nonvenomous) of foot

        • S90.861 Insect bite (nonvenomous), right foot
        • S90.862 Insect bite (nonvenomous), left foot
        • S90.869 Insect bite (nonvenomous), unspecified foot
      6. S90.87 Other superficial bite of foot

        • S90.871 Other superficial bite of right foot
        • S90.872 Other superficial bite of left foot
        • S90.879 Other superficial bite of unspecified foot
    8. S90.9 Unspecified superficial injury of ankle, foot and toe

      1. S90.91 Unspecified superficial injury of ankle

        • S90.911 Unspecified superficial injury of right ankle
        • S90.912 Unspecified superficial injury of left ankle
        • S90.919 Unspecified superficial injury of unspecified ankle
      2. S90.92 Unspecified superficial injury of foot

        • S90.921 Unspecified superficial injury of right foot
        • S90.922 Unspecified superficial injury of left foot
        • S90.929 Unspecified superficial injury of unspecified foot
      3. S90.93 Unspecified superficial injury of toes

        • S90.931 Unspecified superficial injury of right great toe
        • S90.932 Unspecified superficial injury of left great toe
        • S90.933 Unspecified superficial injury of unspecified great toe
        • S90.934 Unspecified superficial injury of right lesser toe(s)
        • S90.935 Unspecified superficial injury of left lesser toe(s)
        • S90.936 Unspecified superficial injury of unspecified lesser toe(s)
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.