• 1 - A condition where surgery has been performed (Surgical code)
• 2 - A condition where no surgery has been performed (non-surgical code)
  • 1 - Respiratory
    • 1 - Upper airway or trachea
    • 2 - Bronchi or lower airways
    • 3 - Pulmonary vasculature
    • 4 - Lungs
    • 5 - Pleura or mediastinum
    • 6 - Spinal cord lesions causing respiratory failure
    • 7 - Peripheral nervous system disorders causing respiratory failure
    • 8 - Neuro-muscular junction disorders causing respiratory failure
    • 9 - Chest wall or diaphragm disorders causing respiratory failure
    • 10 - Brain lesions causing respiratory failure