Nondisp commnt fx shaft of ulna, unsp arm, 7thR

This code describes a follow-up encounter for a comminuted fracture of the ulna shaft, meaning the bone is broken into multiple fragments, but the pieces are still in their normal alignment. This specific fracture was an open fracture (skin broken) of a severe nature (Type IIIA, IIIB, or IIIC) and has subsequently healed in an imperfect position, known as malunion. The affected arm is not specified.

Apply this code when documenting ongoing care for a patient who previously sustained a severe open comminuted ulnar shaft fracture, and imaging or clinical assessment confirms that the fracture has healed with a noticeable deformity or misalignment. This code is appropriate for subsequent visits related to the management of this malunion, such as planning for corrective surgery or monitoring symptoms.

• Ensure documentation clearly specifies "subsequent encounter" and confirms the presence of malunion.
• Verify the original fracture was an open fracture classified as Type IIIA, IIIB, or IIIC.
• Do not use this code for initial treatment or for a fracture that has healed correctly.