S99.119P
ICD-10-CMSalter-Harris Type I physeal fracture of unspecified metatarsal, subsequent encounter for fracture with malunion
This code signifies a Salter-Harris Type I growth plate fracture affecting an unknown metatarsal bone, which has healed improperly (malunion). This specific type of fracture involves a separation of the epiphysis from the metaphysis through the physis, without bone involvement. The "P" indicates a subsequent encounter for this malunion.
Use this code when a patient presents for follow-up care or management of a previously diagnosed Salter-Harris Type I physeal fracture of an unspecified metatarsal that has healed with a noticeable deformity or misalignment. This applies to situations where the malunion is the primary focus of the encounter, such as for evaluation of function, pain, or consideration of corrective procedures.
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