S42.426A
ICD-10-CMNondisplaced comminuted supracondylar fracture without intercondylar fracture of unspecified humerus, initial encounter for closed fracture
This code describes a specific type of upper arm bone fracture where the humerus is broken above the condyles (the rounded prominences at the elbow joint), but the fracture fragments are still in their normal anatomical alignment. The fracture is comminuted, meaning the bone is broken into multiple pieces, and importantly, it does not extend into the intercondylar area of the elbow joint.
Apply this code for initial encounters involving a newly diagnosed closed supracondylar fracture of the humerus that is comminuted and nondisplaced. This is used when the laterality (left or right arm) is not documented or is unknown. This code is appropriate for the initial treatment phase, such as emergency room visits or initial orthopedic consultations.
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