Chapter XIX
Injury, poisoning and certain other consequences of external causes
(S00-T98)

Injuries to the ankle and foot
(S90-S99)

Excludes: bilateral involvement of ankle and foot ( T00-T07 )
burns and corrosions ( T20-T32 )
fracture of ankle and malleolus ( S82.- )
frostbite ( T33-T35 )
injuries of leg, level unspecified ( T12-T13 )
insect bite or sting, venomous ( T63.4 )

S90 Superficial injury of ankle and foot
S90.0 Contusion of ankle
S90.1 Contusion of toe(s) without damage to nail
Contusion of toe(s) NOS
S90.2 Contusion of toe(s) with damage to nail
S90.3 Contusion of other and unspecified parts of foot
S90.7 Multiple superficial injuries of ankle and foot
S90.8 Other superficial injuries of ankle and foot
S90.9 Superficial injury of ankle and foot, unspecified

S91 Open wound of ankle and foot
Excludes: traumatic amputation of ankle and foot ( S98.- )
S91.0 Open wound of ankle
S91.1 Open wound of toe(s) without damage to nail
Open wound of toe(s) NOS
S91.2 Open wound of toe(s) with damage to nail
S91.3 Open wound of other parts of foot
Open wound of foot NOS
S91.7 Multiple open wounds of ankle and foot

S92 Fracture of foot, except ankle
The followig subdivisions are provided for optional use in a supplementary character position where it is not possible or not desired to use multiple coding to identify fracture and open wound; a fracture not indicated as closed or open should be classified as closed.
0 closed
1 open
Excludes: ankle ( S82.- )
malleolus ( S82.- )
S92.0 Fracture of calcaneus
Heel bone
Os calcis
S92.1 Fracture of talus
Astragalus
S92.2 Fracture of other tarsal bone(s)
Cuboid
Cuneiform, foot (intermediate)(lateral)(medial)
Navicular, foot
S92.3 Fracture of metatarsal bone
S92.4 Fracture of great toe
S92.5 Fracture of other toe
S92.7 Multiple fractures of foot
S92.9 Fracture of foot, unspecified

S93 Dislocation, sprain and strain of joints and ligaments at ankle and foot level
S93.0 Dislocation of ankle joint
Astragalus
Fibula, lower end
Talus
Tibia, lower end
S93.1 Dislocation of toe(s)
Interphalangeal (joint(s))
Metatarsophalangeal (joint(s))
S93.2 Rupture of ligaments at ankle and foot level
S93.3 Dislocation of other and unspecified parts of foot
Navicular, foot
Tarsal (joint(s))
Tarsometatarsal (joint(s))
S93.4 Sprain and strain of ankle
Calcaneofibular (ligament)
Deltoid (ligament)
Internal collateral (ligament)
Talofibular (ligament)
Tibiofibular (ligament), distal
Excludes: injury of Achilles tendon ( S86.0 )
S93.5 Sprain and strain of toe(s)
Interphalangeal (joint(s))
Metatarsophalangeal (joint(s))
S93.6 Sprain and strain of other and unspecified parts of foot
Tarsal (ligament)
Tarsometatarsal (ligament)

S94 Injury of nerves at ankle and foot level
S94.0 Injury of lateral plantar nerve
S94.1 Injury of medial plantar nerve
S94.2 Injury of deep peroneal nerve at ankle and foot level
Terminal, lateral branch of deep peroneal nerve
S94.3 Injury of cutaneous sensory nerve at ankle and foot level
S94.7 Injury of multiple nerves at ankle and foot level
S94.8 Injury of other nerves at ankle and foot level
S94.9 Injury of unspecified nerve at ankle and foot level

S95 Injury of blood vessels at ankle and foot level
Excludes: injury of posterior tibial artery and vein ( S85.- )
S95.0 Injury of dorsal artery of foot
S95.1 Injury of plantar artery of foot
S95.2 Injury of dorsal vein of foot
S95.7 Injury of multiple blood vessels at ankle and foot level
S95.8 Injury of other blood vessels at ankle and foot level
S95.9 Injury of unspecified blood vessel at ankle and foot level

S96 Injury of muscle and tendon at ankle and foot level
Excludes: injury of Achilles tendon ( S86.0 )
S96.0 Injury of muscle and tendon of long flexor muscle of toe at ankle and foot level
S96.1 Injury of muscle and tendon of long extensor muscle of toe at ankle and foot level
S96.2 Injury of intrinsic muscle and tendon at ankle and foot level
S96.7 Injury of multiple muscles and tendons at ankle and foot level
S96.8 Injury of other muscles and tendons at ankle and foot level
S96.9 Injury of unspecified muscle and tendon at ankle and foot level

S97 Crushing injury of ankle and foot
S97.0 Crushing injury of ankle
S97.1 Crushing injury of toe(s)
S97.8 Crushing injury of other parts of ankle and foot
Crushing injury of foot NOS

S98 Traumatic amputation of ankle and foot
S98.0 Traumatic amputation of foot at ankle level
S98.1 Traumatic amputation of one toe
S98.2 Traumatic amputation of two or more toes
S98.3 Traumatic amputation of other parts of foot
Combined traumatic amputation of toe(s) and other parts of foot
S98.4 Traumatic amputation of foot, level unspecified

S99 Other and unspecified injuries of ankle and foot
S99.7 Multiple injuries of ankle and foot
Injuries classifiable to more than one of the categories S90-S98
S99.8 Other specified injuries of ankle and foot
S99.9 Unspecified injury of ankle and foot