S89.131P
ICD-10-CMSalter-Harris Type III physeal fracture of lower end of right tibia, subsequent encounter for fracture with malunion
This code signifies a Salter-Harris Type III fracture affecting the growth plate at the lower end of the right tibia, which has healed improperly. This specific type of physeal fracture involves a break through the physis and epiphysis, extending into the joint. The "malunion" indicates that the bone has healed in an anatomically incorrect position, potentially leading to functional impairment or deformity.
Use this code for follow-up encounters where a patient is being treated for a previously diagnosed Salter-Harris Type III fracture of the distal right tibia that has resulted in malunion. This applies when the malunion itself is the focus of the current treatment or evaluation, such as for corrective surgery planning, assessment of residual deformity, or management of associated complications.
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