S42.425B
ICD-10-CMNondisplaced comminuted supracondylar fracture without intercondylar fracture of left humerus, initial encounter for open fracture
This code signifies a specific type of elbow fracture involving the supracondylar region of the left humerus. It indicates that the bone fragments are not displaced and the fracture pattern is comminuted (multiple fragments), but it does not extend into the joint space between the condyles. The "initial encounter for open fracture" designation means this is the first time the patient is being treated for this injury, and the skin was broken at the time of the fracture.
This code is appropriate for patients presenting with a newly diagnosed, comminuted supracondylar fracture of the left humerus that has not displaced and is not an intercondylar fracture. It is specifically used when the fracture is open, meaning there was a break in the skin communicating with the fracture site. This code would be assigned for the initial treatment phase, such as during emergency department visits, initial surgical repair, or inpatient admission for the acute injury.
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