S42.435K
ICD-10-CMNondisplaced fracture (avulsion) of lateral epicondyle of left humerus, subsequent encounter for fracture with nonunion
This code describes a situation where a small piece of bone has been pulled away from the lateral epicondyle of the left humerus, but the main bone fragments remain in their normal anatomical alignment. Despite initial treatment, the fracture has failed to heal properly, and the patient is presenting for ongoing care related to this persistent nonunion.
This code is appropriate for follow-up encounters where a patient is being treated for a previously diagnosed nondisplaced avulsion fracture of the left humeral lateral epicondyle that has not united. This includes visits for continued monitoring, evaluation of nonunion, or planning for further intervention due to the lack of healing.
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