Injuries to the knee and lower leg (S80-S89)
S89: Other and unspecified injuries of lower leg

notes
A fracture not indicated as open or closed should be coded to closed

excludes2
other and unspecified injuries of ankle and foot (S99.-)

sevenChrNote
The appropriate 7th character is to be added to each code from subcategories S89.0, S89.1, S89.2, and S89.3

sevenChrDef
A: initial encounter for closed fracture
D: subsequent encounter for fracture with routine healing
G: subsequent encounter for fracture with delayed healing
K: subsequent encounter for fracture with nonunion
P: subsequent encounter for fracture with malunion
S: sequela
S89.0: Physeal fracture of upper end of tibia
S89.1: Physeal fracture of lower end of tibia
S89.2: Physeal fracture of upper end of fibula
S89.3: Physeal fracture of lower end of fibula
S89.8: Other specified injuries of lower leg
S89.9: Unspecified injury of lower leg

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