Type III traum spondylolysis of 2nd cervcal vert, 7thD

This code signifies a follow-up encounter for a Type III traumatic spondylolisthesis (hangman's fracture) of the C2 vertebra, where the fracture is healing routinely. This specific type of fracture involves bilateral pedicle or pars interarticularis fractures of the axis (C2) due to hyperextension and distraction forces.

Use this code for patients presenting for routine follow-up care of a C2 Type III traumatic spondylolisthesis that is progressing as expected towards healing. Documentation should clearly indicate "subsequent encounter" and confirm routine healing without complications, such as nonunion or delayed union.

• Ensure documentation specifies "subsequent encounter" and "routine healing" to differentiate from initial treatment or encounters with complications.
• Do not use this code for initial treatment of the fracture; instead, use the appropriate initial encounter code.
• Distinguish from other C2 fracture types; Type III involves significant displacement and often disruption of the C2-C3 disc.