S42.344B
ICD-10-CMNondisplaced spiral fracture of shaft of humerus, right arm, initial encounter for open fracture
This code signifies a break in the main part of the right upper arm bone (humerus) that follows a twisting pattern, but where the bone fragments remain in their normal anatomical alignment. It specifically indicates that the skin and soft tissue overlying the fracture are also broken, exposing the bone to the outside environment. This is the initial encounter for treatment of this specific injury.
Use this code for a patient presenting for the first time with a right humeral shaft fracture resulting from a rotational force, where imaging confirms a spiral pattern and no significant displacement of the bone ends. This code is appropriate when the medical record clearly documents an open fracture, meaning there's a wound communicating with the fracture site, and the patient is receiving initial active treatment.
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