Other osteonecrosis of right radius

This code signifies the death of bone tissue in the right radius due to insufficient blood supply, not otherwise specified as a specific type of osteonecrosis (e.g., avascular necrosis due to trauma, steroid use, or specific diseases). It represents a localized bone infarction affecting the right forearm bone.

Use this code when documentation clearly indicates osteonecrosis of the right radius, and the etiology is either unknown, not specified, or does not fit into more specific osteonecrosis categories. Supporting documentation would include imaging reports (X-ray, MRI, CT) confirming osteonecrosis in the right radius, and physician notes detailing the diagnosis without specifying a known cause.

• Ensure laterality is correctly identified as "right" for the radius.
• Distinguish from osteonecrosis due to specific causes (e.g., steroid-induced, post-traumatic), which have more specific codes.
• Always review documentation for any underlying conditions that might be the primary cause of the osteonecrosis, as these may need to be coded first.