Dislocation of C4/C5 cervical vertebrae, initial encounter

This code signifies a complete displacement of the C4 vertebra from the C5 vertebra in the cervical spine. This injury involves the disruption of the joint surfaces, leading to instability and potential neurological compromise. It is an acute injury requiring immediate medical attention.

Use this code for the initial treatment of a patient presenting with a documented C4/C5 cervical vertebral dislocation. This includes emergency department visits, initial hospital admissions, and the first surgical intervention for the injury. Documentation should clearly state "dislocation" and specify the C4/C5 level.

• Ensure documentation specifies "dislocation" versus "subluxation" (S13.2XXA for subluxation).
• Verify the specific vertebral level (C4/C5) is clearly documented; other levels have different codes.
• Append additional characters for subsequent encounters (D) or sequela (S) as appropriate for later visits related to this injury.