Chapter XIX

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

Injuries to the knee and lower leg
(S80-S89)

Includes: fracture of ankle and malleolus
Excludes: bilateral involvement of knee and lower leg ( T00-T07 )
burns and corrosions ( T20-T32 )
frostbite ( T33-T35 )
injuries of:
· ankle and foot, except fracture of ankle and malleolus ( S90-S99 )
· leg, level unspecified ( T12-T13 )
insect bite or sting, venomous ( T63.4 )

S80 Superficial injury of lower leg
Excludes: superficial injury of ankle and foot ( S90.-)
S80.0 Contusion of knee
# S80.1 Contusion of leg
# S80.7 Multiple superficial injuries of knee and leg
S80.8 Other superficial injuries of lower leg
#S80.80 Abrasion of knee and leg
#S80.81 Blister of knee and leg
#S80.82 Insect bite of knee and leg
#S80.83 Superficial foreign body of knee and leg
#S80.88 Other superficial injuries of knee and leg
#S80.9 Superficial injury of knee and leg, unspecified

S81 Open wound of lower leg
Excludes: open wound of ankle and foot ( S91.- )
traumatic amputation of lower leg ( S88.- )
S81.0
#
Open wound of knee
Open knee injury
S81.7 Multiple open wounds of lower leg
S81.8 Open wound of other parts of lower leg
# S81.9 Open wound of knee and leg, part unspecified

S82 Fracture of lower leg, including ankle
Includes: malleolus
Excludes: fracture of foot, except ankle ( S92.-)
S82.0 Fracture of patella
Knee cap
#S82.00 Closed fracture of patella
#S82.01 Open fracture of patella
S82.1 Fracture of upper end of tibia
Tibial:
· condyles
· head
· proximal end
· tuberosity
}
}
}
}
with or without mention of fracture of fibula
#S82.100 Closed fracture of proximal tibia, extraarticular
#S82.101 Closed fracture of proximal tibia, medial condyle
#S82.102 Closed fracture of proximal tibia, lateral condyle (split)
#S82.103 Closed fracture of proximal tibia, bicondyle
#S82.104 Closed fracture of proximal tibia, with ligamentous injury
#S82.105 Closed isolated fracture of tibial spine and intercondylar eminence
#S82.106 Closed fracture of epiphysis of proximal tibia
#S82.107 Closed fracture of proximal tibia, multiple fractures
#S82.108 Closed fracture of proximal tibia, others
#S82.109 Closed fracture of proximal tibia, unspecified
#S82.110 Open fracture of proximal tibia, extraarticular
#S82.111 Open fracture of proximal tibia, medial condyle
#S82.112 Open fracture of proximal tibia, lateral condyle (split)
#S82.113 Open fracture of proximal tibia, bicondyle
#S82.114 Open fracture of proximal tibia, with ligamentous injury
#S82.115 Open isolated fracture of tibial spine and intercondylar eminence
#S82.116 Open fracture of epiphysis of proximal tibia
#S82.117 Open fracture of proximal tibia, multiple fractures
#S82.118 Open fracture of proximal tibia, others
#S82.119 Open fracture of proximal tibia, unspecified
S82.2 Fracture of shaft of tibia
#S82.200 Closed fracture of shaft of tibia with intact fibula
#S82.201 Closed fracture of shaft of tibia with fracture of fibula at same level
#S82.202 Closed fracture of shaft of tibia with fracture of fibula at different level
#S82.207 Closed fracture of shaft of tibia, bifocal and segmental and multiple
#S82.208 Closed fracture of shaft of tibia, others
#S82.209 Closed fracture of shaft of tibia, unspecified
#S82.210 Open fracture of shaft of tibia with intact fibula
#S82.211 Open fracture of shaft of tibia with fracture of fibula at same level
#S82.212 Open fracture of shaft of tibia with fracture of fibula at different level
#S82.217 Open fracture of shaft of tibia, bifocal and segmental and multiple
#S82.218 Open fracture of shaft of tibia, others
#S82.219 Open fracture of shaft of tibia, unspecified
S82.3 Fracture of lower end of tibia
#
#
Pilon fracture                        }          With or without mention
Plafond fracture                    }             of fracture of fibula

Excludes: medial malleolus ( S82.5)
#S82.300 Closed fracture of distal tibia, extraarticular
#S82.301 Closed fracture of distal tibia, nondisplaced intraarticular
#S82.302 Closed fracture of distal tibia, displaced intraarticular
#S82.303 Closed fracture of epiphysis of distal tibia
#S82.307 Closed fracture of distal tibia, multiple fractures
#S82.308 Closed fracture of distal tibia, others
#S82.309 Closed fracture of distal tibia, unspecified
#S82.310 Open fracture of distal tibia, extraarticular
#S82.311 Open fracture of distal tibia, nondisplaced intraarticular
#S82.312 Open fracture of distal tibia, displaced intraarticular
#S82.313 Open fracture of epiphysis of distal tibia
#S82.317 Open fracture of distal tibia, multiple fractures
#S82.318 Open fracture of distal tibia, others
#S82.319 Open fracture of distal tibia, unspecified
S82.4 Fracture of fibula alone
Excludes: lateral malleolus ( S82.6)
#S82.40 Closed fracture of fibula alone
#S82.41 Open fracture of fibula alone
S82.5 Fracture of medial malleolus
Tibia involving:
· ankle
· malleolus
#S82.50 Closed fracture of medial malleolus
#S82.51 Open fracture of medial malleolus
S82.6 Fracture of lateral malleolus
Tibia involving:
· ankle
· malleolus
#S82.60 Closed fracture of lateral malleolus
#S82.61 Open fracture of lateral malleolus
S82.7 Multiple fractures of lower leg
Excludes: fractures of both tibia and fibula:
· lower end ( S82.3)
· shafts ( S82.2)
· upper end ( S82.1)
#S82.70 Multiple closed fractures of leg
#S82.71 Multiple open fractures of leg
S82.8 Fractures of other parts of lower leg
Fracture (of):
· ankle NOS
· bimalleolar
· trimalleolar
#S82.80 Closed fractures of other parts of leg
#S82.81 Open fractures of other parts of leg
S82.9 Fracture of lower leg, part unspecified
#S82.90 Closed fracture of leg, part unspecified
#S82.91 Open fracture of leg, part unspecified

S83 Dislocation, sprain and strain of joints and ligaments of knee
Excludes: derangement of:
· knee, internal ( M23.-)
· patella ( M22.0-M22.3)
dislocation of knee:
· old ( M24.3)
· pathological ( M24.3)
· recurrent ( M24.4)
S83.0 Dislocation of patella
S83.1 Dislocation of knee
Tibiofibular (joint)
S83.2 Tear of meniscus, current
Bucket-handle tear (of):
· NOS
· lateral meniscus
· medial meniscus
Excludes: old bucket-handle tear ( M23.2)
S83.3 Tear of articular cartilage of knee, current
S83.4 Sprain and strain involving (fibular)(tibial) collateral ligament of knee
S83.5 Sprain and strain involving (anterior)(posterior) cruciate ligament of knee
#S83.50 Avulsion of anterior cruciate ligament [ACL]
#S83.51 Avulsion of posterior cruciate ligament [PCL]
#S83.59 Sprain and strain involving cruciate ligament of knee, unspecified
S83.6 Sprain and strain of other and unspecified parts of knee
Tibiofibular joint and ligament, superior
Excludes: sprain of patellar ligament ( S76.1)
S83.7 Injury to multiple structures of knee
Injury to (lateral)(medial) meniscus in combination with (collateral)(cruciate) ligaments

S84 Injury of nerves at lower leg level
Excludes: injury of nerves at ankle and foot level ( S94.- )
S84.0 Injury of tibial nerve at lower leg level
S84.1 Injury of peroneal nerve at lower leg level
S84.2 Injury of cutaneous sensory nerve at lower leg level
S84.7 Injury of multiple nerves at lower leg level
S84.8 Injury of other nerves at lower leg level
S84.9 Injury of unspecified nerve at lower leg level

S85 Injury of blood vessels at lower leg level
Excludes: injury of blood vessels at ankle and foot level ( S95.- )
S85.0 Injury of popliteal artery
S85.1 Injury of (anterior)(posterior) tibial artery
S85.2 Injury of peroneal artery
# S85.3 Injury of greater saphenous vein at leg level
Greater saphenous vein NOS
# S85.4 Injury of lesser saphenous vein at leg level
S85.5 Injury of popliteal vein
# S85.7 Injury of multiple blood vessels at leg level
# S85.8 Injury of other blood vessels at leg level
# S85.9 Injury of unspecified blood vessel at leg level

S86 Injury of muscle and tendon at lower leg level
Excludes: injury of:
· muscle and tendon at or below ankle ( S96.- )
· patellar ligament (tendon) ( S76.1 )
S86.0 Injury of Achilles tendon
S86.1 Injury of other muscle(s) and tendon(s) of posterior muscle group at lower leg level
S86.2 Injury of muscle(s) and tendon(s) of anterior muscle group at lower leg level
S86.3 Injury of muscle(s) and tendon(s) of peroneal muscle group at lower leg level
S86.7 Injury of multiple muscles and tendons at lower leg level
S86.8 Injury of other muscles and tendons at lower leg level
S86.9 Injury of unspecified muscle and tendon at lower leg level

S87 Crushing injury of lower leg
Excludes: crushing injury of ankle and foot ( S97.-)
S87.0 Crushing injury of knee
# S87.8 Crushing injury of leg
# S87.9 Crushing injury of unspecified part of knee and leg

S88 Traumatic amputation of lower leg
Excludes: traumatic amputation of:
· ankle and foot ( S98.- )
· leg, level unspecified ( T13.6 )
S88.0
#
Traumatic amputation at knee level
Knee disarticulation
# S88.1 Traumatic amputation at leg
# S88.9 Traumatic amputation of knee and leg, level unspecified

S89 Other and unspecified injuries of lower leg
Excludes: other and unspecified injuries of ankle and foot ( S99.- )
# S89.7 Multiple injuries of knee and leg
Injuries classifiable to more than one of the categories S80-S88
# S89.8 Other specified injuries of knee and leg
# S89.9 Unspecified injury of knee and leg