• 1 - A condition where surgery has been performed (Surgical code)
• 2 - A condition where no surgery has been performed (non-surgical code)
  • 1 - Respiratory
    • 2 - Bronchi or lower airways
      • 27 - Infection
        • 2 - Chronic obstructive pulmonary disease (COPD/COAD) with acute lower respiratory infection
        • 3 - Exacerbation of bronchiectasis
        • 5 - Chronic obstructive pulmonary disease (COPD/COAD) with acute exacerbation, unspecified
        • 6 - Acute bronchitis, non-influenza
        • 7 - Acute bronchitis, influenza
        • 8 - Bronchiolitis, non-influenza
        • 9 - Bronchiolitis, influenza
        • 10 - Chronic bronchiectasis
        • 11 - Pandemic influenza, suspected
        • 12 - Pandemic influenza, confirmed