S82.109R
ICD-10-CMUnspecified fracture of upper end of unspecified tibia, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with malunion
This code describes a situation where the upper part of the shin bone (tibia) has an unspecific fracture that is healing incorrectly (malunion). This particular code is used when the initial injury was a severe open fracture (Type IIIA, IIIB, or IIIC), meaning the bone broke through the skin, and the patient is now in a subsequent phase of care for the malunion.
This code is appropriate for follow-up encounters where a patient is being treated for a malunion of an unspecified proximal tibia fracture. The original injury must have been a high-energy open fracture (Gustilo-Anderson Type IIIA, IIIB, or IIIC). This would include scenarios such as surgical correction of the malunion or ongoing conservative management.
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