S99.099P
ICD-10-CMOther physeal fracture of unspecified calcaneus, subsequent encounter for fracture with malunion
This code indicates a physeal (growth plate) fracture in the calcaneus (heel bone) that is not otherwise specified, and is currently being treated for a complication where the bone has healed in an abnormal position. This malunion can lead to ongoing pain, functional limitations, and deformity of the foot.
Apply this code when a patient presents for follow-up care of a previously sustained calcaneal growth plate fracture that has healed incorrectly. This includes situations where surgical correction of the malunion is being planned or performed, or when conservative management of the malunion's symptoms is ongoing. It signifies that the fracture itself is no longer acute, but its improper healing is the focus of the current encounter.
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