Question: Encounter notes indicate that a patient suffers from anterior spinal artery compression syndrome. How should I choose a code for this encounter?
Illinois Subscriber

Answer: It will depend on the location of the compression syndrome. Go back and check the notes. Then, report one of these diagnoses, depending on patient specifics:
- M47.011- (Anterior spinal artery compression syndromes, occipito-atlanto-axial region)
- M47.012- (Anterior spinal artery compression syndromes, cervical region)
- M47.013- (Anterior spinal artery compression syndromes, cervicothoracic region)
- M47.014- (Anterior spinal artery compression syndromes, thoracic region)
- M47.015- (Anterior spinal artery compression syndromes, thoracolumbar region)
- M47.016- (Anterior spinal artery compression syndromes, lumbar region)
- M47.019- (Anterior spinal artery compression syndromes, site unspecified).