S42.456P
ICD-10-CMNondisplaced fracture of lateral condyle of unspecified humerus, subsequent encounter for fracture with malunion
This code signifies a follow-up encounter for a patient who previously sustained a fracture to the outer bony prominence of the lower humerus, where the fracture fragments are no longer in their original alignment but have healed in a deformed position. The specific side (left or right arm) of the injury is not documented.
Apply this code when a patient presents for ongoing management of a malunited nondisplaced lateral condyle humeral fracture, such as for physical therapy, follow-up imaging, or evaluation of functional limitations. This code is appropriate for encounters occurring after the initial treatment phase, where the fracture has healed but with an unsatisfactory alignment.
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