S42.425K
ICD-10-CMNondisplaced comminuted supracondylar fracture without intercondylar fracture of left humerus, subsequent encounter for fracture with nonunion
This code describes a left humerus fracture located above the condyles, where the bone is broken into multiple fragments but remains in its normal anatomical position. The fracture does not extend between the condyles. This specific code indicates that the patient is receiving follow-up care for this fracture, and it has failed to heal properly (nonunion).
Use this code for subsequent encounters when a patient with a previously diagnosed nondisplaced comminuted supracondylar fracture of the left humerus (without intercondylar involvement) is being treated for a nonunion. This would apply to office visits, hospital outpatient visits, or other healthcare encounters focused on managing the unhealed fracture.
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