S42.321B
ICD-10-CMDisplaced transverse fracture of shaft of humerus, right arm, initial encounter for open fracture
This code signifies a break in the mid-portion of the right upper arm bone (humerus) that has resulted in the bone fragments being out of alignment. The fracture is classified as "open," meaning there is a wound that communicates with the fracture site, exposing the bone to the external environment. This specific code is used for the initial treatment of such an injury.
Apply this code when documenting the first encounter for a patient presenting with a right humeral shaft fracture where imaging confirms displacement and clinical examination reveals an open wound. This includes initial surgical repair, wound debridement, and stabilization procedures. It is appropriate for the acute phase of injury management.
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