Unsp fx shaft of right ulna, init for opn fx type 3A/B/C

This code signifies a fracture occurring in the main body (shaft) of the right ulna, where the specific location or type of fracture within the shaft is not detailed. It indicates that the skin and soft tissues surrounding the fracture site have been significantly compromised, exposing the bone to the external environment, and this is the patient's initial presentation for treatment.

Apply this code when documentation clearly states an open fracture of the right ulnar shaft, without further specification of the fracture pattern (e.g., transverse, oblique, spiral), and the Gustilo-Anderson classification is explicitly noted as type IIIA, IIIB, or IIIC. This code is appropriate for the initial encounter for treatment of such a fracture.

• Ensure the documentation specifies "right ulna" and "shaft" to differentiate from other ulnar fracture locations.
• Verify the "initial encounter" designation and the specific Gustilo-Anderson open fracture type (IIIA, IIIB, or IIIC).
• Do not use this code if the fracture is closed, or if the open fracture type is I, II, or not specified as IIIA, IIIB, or IIIC.