Unsp traum displ spondylolysis of 2nd cervcal vert, 7thG

This code describes a spinal injury where the second cervical vertebra (C2) has slipped forward or backward relative to the vertebra below it, due to trauma. The specific type of spondylolisthesis is not documented, and the patient is in a subsequent phase of care where the fracture is not healing as expected.

Use this code for a patient presenting for follow-up care of a traumatic C2 spondylolisthesis where the fracture healing is delayed. Documentation should clearly indicate a traumatic etiology, displacement of C2, and a specific note regarding delayed union or non-union of the fracture.

• Ensure documentation specifies "traumatic" etiology; otherwise, a non-traumatic spondylolisthesis code may be more appropriate.
• The "G" seventh character indicates subsequent encounter for fracture with delayed healing; confirm this stage of care and healing status.
• Verify laterality and specific vertebral level (C2) are clearly documented to avoid miscoding.