S99.299K
ICD-10-CMOther physeal fracture of phalanx of unspecified toe, subsequent encounter for fracture with nonunion
This code signifies a fracture involving the growth plate (physis) of a toe bone, excluding the great toe, where the specific toe is not documented. The fracture has failed to heal properly, resulting in a nonunion, and the patient is presenting for follow-up care related to this ongoing issue.
Apply this code when a patient is seen for continued management of a previously diagnosed physeal fracture of an unspecified lesser toe, and imaging or clinical assessment confirms that the bone fragments have not united. This is appropriate for subsequent encounters after the initial treatment, specifically addressing the complication of nonunion.
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