Nondisp spiral fx shaft of ulna, l arm, 7thN

This code describes a specific type of ulna fracture where the bone is broken in a spiral pattern along its shaft, but the bone fragments remain in their normal anatomical alignment. This particular instance involves the left arm and signifies a follow-up visit for an open fracture that has failed to heal properly (nonunion) and was initially classified as a severe open fracture (Type IIIA, IIIB, or IIIC).

Use this code for subsequent encounters when a patient with a previously diagnosed nondisplaced spiral fracture of the left ulnar shaft, which was an open fracture of type IIIA, IIIB, or IIIC, presents for ongoing treatment of a nonunion. This applies to situations where the fracture has not healed within the expected timeframe and requires further medical intervention.

• Ensure documentation clearly specifies "nondisplaced" and "spiral fracture of shaft of ulna."
• Verify the encounter is for a "subsequent encounter" and that "nonunion" is explicitly documented.
• Confirm the original open fracture was classified as Type IIIA, IIIB, or IIIC.