S42.424K
ICD-10-CMNondisplaced comminuted supracondylar fracture without intercondylar fracture of right humerus, subsequent encounter for fracture with nonunion
This code signifies a supracondylar fracture of the right humerus that is broken into multiple fragments (comminuted) but remains in its anatomical position (nondisplaced), and does not involve the intercondylar region. The "K" seventh character indicates that the fracture has failed to heal properly and is now considered a nonunion, requiring ongoing management.
This code is appropriate when documenting care for a patient with a previously diagnosed right humeral supracondylar fracture that has not united. It should be used for follow-up visits, surgical interventions, or other treatments specifically addressing the nonunion of this particular fracture.
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