Brown-Sequard syndrome at C1, subs

This code signifies a specific neurological condition, Brown-Sequard syndrome, affecting the C1 level of the cervical spinal cord. This syndrome is characterized by hemisection of the spinal cord, resulting in ipsilateral motor paralysis and loss of proprioception, along with contralateral loss of pain and temperature sensation below the level of the lesion.

Apply this code for follow-up encounters for patients previously diagnosed with Brown-Sequard syndrome at the C1 level. Documentation should clearly indicate the C1 level involvement and that the encounter is for ongoing treatment, monitoring, or recovery from the initial injury or condition that caused the syndrome.

• Ensure documentation specifies "Brown-Sequard syndrome" and not just a general spinal cord injury.
• Verify the C1 level involvement is explicitly stated in the medical record.
• The "D" seventh character indicates a subsequent encounter; use "A" for initial encounters and "S" for sequela.