Anterior spinal artery comprsn syndromes, thoracic region

This code describes a neurological condition resulting from compromised blood supply to the thoracic spinal cord due to compression of the anterior spinal artery. This compression leads to ischemia and dysfunction of the spinal cord, manifesting as motor weakness, sensory deficits, and autonomic dysfunction in the trunk and lower extremities.

Use this code when documentation clearly indicates a diagnosis of anterior spinal artery compression syndrome specifically affecting the thoracic region. This diagnosis is typically supported by imaging studies (e.g., MRI showing spinal cord ischemia or compression) and neurological examination findings localized to the thoracic spinal cord.

• Ensure the documentation specifies "compression" as the etiology, not just infarction from other causes.
• Verify the anatomical location is explicitly stated as "thoracic region" to differentiate from cervical or lumbar involvement.
• Consider co-reporting codes for the underlying cause of compression if identified (e.g., disc herniation, tumor).