Unsp fx shaft of r ulna, 7thR

This code describes a situation where the shaft of the right ulna, the longer of the two bones in the forearm, has an unspecific fracture that was initially an open fracture of type IIIA, IIIB, or IIIC. The current encounter is for the management of malunion, meaning the bone has healed in an incorrect or deformed position.

This code is used when a patient presents for follow-up care or treatment of a malunion of a previously open fracture (types IIIA, IIIB, or IIIC) of the right ulnar shaft. This would apply to scenarios such as surgical correction of the malunion, cast changes, or physical therapy related to the malunion.

• Ensure documentation clearly specifies "malunion" and that the initial fracture was an open fracture of type IIIA, IIIB, or IIIC.
• Verify the laterality (right ulna) is accurately documented.
• Do not use this code for nonunion; a different code would apply for that complication.