Barton's fx r radius, subs for opn fx type 3A/B/C w nonunion

This code signifies a Barton's fracture affecting the right radius, which is an intra-articular fracture of the distal radius with dorsal or volar displacement of the carpus. The "subsequent encounter" indicates ongoing treatment for the fracture, and the "nonunion" specifies that the bone has failed to heal completely after the expected healing period. The "open fracture type IIIA, IIIB, or IIIC" further describes a severe open injury with significant soft tissue damage.

Apply this code when a patient presents for follow-up care, cast changes, wound care, or surgical intervention related to a previously diagnosed open Barton's fracture of the right radius that has not healed. This code is appropriate for patients undergoing treatment for the nonunion, such as bone grafting or revision surgery. It should be used after the initial treatment phase for the acute fracture.

• Always confirm the laterality (right radius) and the specific fracture type (Barton's).
• Ensure documentation clearly supports "subsequent encounter" and "nonunion" status.
• Verify the open fracture type (IIIA, IIIB, or IIIC) is explicitly documented to support this specific code.