S59.122K
ICD-10-CMSalter-Harris Type II physeal fracture of upper end of radius, left arm, subsequent encounter for fracture with nonunion
This code signifies a Salter-Harris Type II fracture affecting the growth plate at the upper end of the left radius, which has failed to heal properly. This specific type of physeal fracture involves a break through the physis and into the metaphysis. The "K" in the seventh character indicates that this is a subsequent encounter for the fracture, and nonunion is present.
Use this code for follow-up visits where a patient is being treated for a previously diagnosed Salter-Harris Type II fracture of the proximal left radius that has not united. This applies when the physician is actively managing the nonunion, such as during evaluation for surgical intervention, casting changes, or monitoring the progression of the nonunion.
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