S42.335B
ICD-10-CMNondisplaced oblique fracture of shaft of humerus, left arm, initial encounter for open fracture
This code signifies a break in the main part of the left upper arm bone (humerus) that runs diagonally across the bone, but where the bone fragments remain in their normal anatomical alignment. It specifically indicates that the skin and soft tissues surrounding the fracture site have been compromised, exposing the bone to the outside environment. This is the first time the patient is receiving active treatment for this particular injury.
This code is appropriate for documenting the initial treatment of an open, non-displaced oblique fracture of the shaft of the left humerus. This would include situations like surgical debridement and fixation, or initial wound care and stabilization in an emergency department setting. It should be used when the patient presents for the first time for this specific injury.
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