Nondisp avulsion fx right ilium, subs for fx w nonunion

This code signifies a situation where a piece of bone has been pulled away from the right ilium due to a strong ligament or tendon, but the bone fragments remain in their normal alignment. Crucially, this fracture has not healed properly and the patient is receiving ongoing care for this nonunion.

Apply this code when a patient presents for follow-up care, such as imaging, physical therapy, or surgical planning, for a previously diagnosed avulsion fracture of the right ilium that has failed to unite. This indicates that the fracture is not healing as expected and requires further intervention or monitoring.

• Ensure documentation clearly states "nonunion" and specifies the "right ilium."
• Verify this is a "subsequent encounter" for ongoing treatment, not the initial injury.
• Confirm the fracture is described as "nondisplaced avulsion."