Complete lesion at C1 level of cervical spinal cord, sequela

This code signifies a complete transection or severe disruption of the spinal cord at the C1 vertebral level, resulting in a total loss of motor and sensory function below that point. It describes the long-term effects or complications arising from such an injury.

Use this code for patients presenting with chronic or residual conditions directly attributable to a complete C1 spinal cord injury. Documentation should clearly indicate the C1 level, the completeness of the lesion, and that the encounter is for sequelae (e.g., chronic paralysis, spasticity, neurogenic bladder/bowel).

• Always use this "S" (sequela) extension for encounters addressing the long-term effects of the injury, not the initial acute treatment.
• Ensure documentation specifies "complete" lesion; differentiate from incomplete lesions (S14.12-).
• Code any associated neurological deficits (e.g., quadriplegia, respiratory paralysis) as secondary diagnoses.