S52.221C
ICD-10-CMDisplaced transverse fracture of shaft of right ulna, initial encounter for open fracture type IIIA, IIIB, or IIIC
This code describes a complete break across the shaft of the right ulna bone, where the bone fragments are no longer in their normal alignment. The fracture is open, meaning the bone has broken through the skin, and is classified as a severe open fracture (Gustilo-Anderson Type IIIA, IIIB, or IIIC). This is the initial treatment encounter for this injury.
This code is appropriate for the initial inpatient or outpatient encounter when a patient presents with a newly diagnosed, displaced transverse fracture of the right ulnar shaft that has an associated open wound. It specifically applies to cases where the open fracture is documented as Gustilo-Anderson Type IIIA, IIIB, or IIIC.
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