Nondisp fx of post column of unsp acetab, 7thK

This code signifies a fracture of the posterior column of the acetabulum (the socket of the hip joint) that is not displaced. The "ilioischial" clarification indicates the specific part of the posterior column involved. Importantly, this code is used when the fracture has not healed properly, and the patient is in a subsequent phase of care for this nonunion.

This code is appropriate for follow-up encounters where a patient is being treated for a previously diagnosed, nondisplaced posterior column acetabular fracture that has failed to unite. This could include ongoing management, evaluation for surgical intervention for nonunion, or conservative treatment for the persistent fracture.

• Ensure documentation clearly states "nonunion" for the fracture.
• Verify the fracture is specifically of the posterior column and is nondisplaced.
• Confirm this is a subsequent encounter for the fracture, not the initial treatment.