Unstable burst fx T7-T8 vertebra, subs for fx w nonunion

This code signifies an unstable burst fracture affecting the seventh and eighth thoracic vertebrae, which has failed to heal properly (nonunion). The "unstable" designation indicates a significant risk of spinal cord or nerve root compression, while "burst" describes a comminuted fracture where the vertebral body is crushed in multiple directions.

Apply this code for patients presenting for follow-up care of a previously diagnosed unstable burst fracture of T7-T8, where imaging or clinical assessment confirms nonunion. This includes subsequent visits for ongoing management, evaluation of treatment efficacy, or planning for further intervention due to the persistent nonunion.

• Ensure documentation clearly states "unstable burst fracture" and specifies T7-T8.
• Verify that the encounter is for a subsequent visit and that nonunion is explicitly documented.
• Do not use this code for initial encounters or for fractures that are healing normally.