Displ seg fx shaft of ulna, l arm, 7thF

This code describes a specific type of fracture involving the shaft of the ulna in the left arm, where the bone is broken into segments and the pieces are not properly aligned. It also indicates that the fracture is an open fracture of a severe type (IIIA, IIIB, or IIIC) and the patient is in a subsequent phase of care with expected routine healing.

This code is appropriate for follow-up encounters for patients with a previously diagnosed and treated open segmental fracture of the left ulnar shaft. It specifically applies when the fracture is healing as expected without complications, and the open wound was classified as type IIIA, IIIB, or IIIC.

• Verify the laterality (left arm) and the specific fracture type (segmental, shaft of ulna).
• Ensure the encounter is indeed "subsequent" and the healing is "routine" for an open fracture type IIIA, IIIB, or IIIC.
• Do not use for initial encounters or for fractures with delayed healing, nonunion, or malunion.