Brown-Sequard syndrome at C2, sequela

This code signifies a long-term effect or complication arising from Brown-Sequard syndrome, specifically affecting the C2 level of the cervical spinal cord. Brown-Sequard syndrome is a rare neurological condition characterized by hemisection of the spinal cord, resulting in ipsilateral motor paralysis and loss of proprioception, and contralateral loss of pain and temperature sensation below the level of the lesion.

Use this code when documenting a residual condition or chronic manifestation directly attributable to a past episode of Brown-Sequard syndrome at the C2 level. This applies when the acute phase of the injury has passed, and the patient presents with persistent neurological deficits. Documentation should clearly state the C2 level involvement and the chronic nature of the sequelae.

• Always sequence sequela codes (ending in 'S') after the code for the primary condition or injury that caused the sequela, if still relevant.
• Ensure documentation specifies the C2 level; otherwise, a more general cervical level code may be appropriate.
• Distinguish between acute Brown-Sequard syndrome and its long-term effects; this code is exclusively for sequelae.