Unstable burst fx T5-T6 vertebra, subs for fx w nonunion

This code describes a severe, unstable fracture of the fifth and sixth thoracic vertebrae, characterized by a burst pattern where the vertebral body is comminuted. The "unstable" designation indicates a high risk of spinal cord injury or further deformity. The "nonunion" aspect signifies that the fracture has failed to heal properly after an initial treatment attempt.

This code is used for follow-up encounters when a patient with a previously diagnosed unstable burst fracture of T5-T6 is presenting for ongoing management of a nonunion. This includes situations where surgical intervention for nonunion is being planned or performed, or when conservative management of the nonunion is continuing. It would not be used for the initial diagnosis of the fracture.

• Ensure documentation clearly specifies "unstable burst fracture" and "nonunion" of T5-T6.
• Verify this is a subsequent encounter, not the initial treatment for the fracture.
• Always sequence this code with an external cause code if applicable, especially if the nonunion is a complication of an initial traumatic injury.