S99.221B
ICD-10-CMSalter-Harris Type II physeal fracture of phalanx of right toe, initial encounter for open fracture
This code signifies a fracture affecting the growth plate (physis) of a toe bone on the right foot, specifically classified as a Salter-Harris Type II. This type involves a fracture line extending through the physis and then obliquely into the metaphysis, leaving the epiphysis intact. The "open" designation indicates that the skin and soft tissues overlying the fracture site have been compromised, exposing the bone to the external environment.
This code is appropriate for documenting the initial treatment encounter for a patient presenting with a Salter-Harris Type II fracture of a phalanx in the right foot, where there is an associated open wound. This includes scenarios such as a crush injury or a penetrating trauma to the toe that results in both the specific fracture type and an open wound.
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