| Code | Title | 
					
				| – | Top Categories | 
		
					
				| 0 | Medical and Surgical | 
					
				| 0B | Respiratory System | 
					
				| 0BT | Resection
					Respiratory System, Resection | 
					
				| 0BT1 | Trachea | 
					
				| 0BT2 | Carina | 
					
				| 0BT3 | Main Bronchus, Right | 
					
				| 0BT4 | Upper Lobe Bronchus, Right | 
					
				| 0BT5 | Middle Lobe Bronchus, Right | 
					
				| 0BT6 | Lower Lobe Bronchus, Right | 
					
				| 0BT7 | Main Bronchus, Left | 
					
				| 0BT8 | Upper Lobe Bronchus, Left | 
					
				| 0BT9 | Lingula Bronchus | 
					
				| 0BTB | Lower Lobe Bronchus, Left | 
					
				| 0BTC | Upper Lung Lobe, Right | 
					
				| 0BTD | Middle Lung Lobe, Right | 
					
				| 0BTF | Lower Lung Lobe, Right | 
					
				| 0BTG | Upper Lung Lobe, Left | 
					
				| 0BTH | Lung Lingula | 
					
				| 0BTJ | Lower Lung Lobe, Left | 
					
				| 0BTK | Lung, Right | 
					
				| 0BTL | Lung, Left | 
					
				| 0BTM | Lungs, Bilateral | 
					
				| 0BTT | Diaphragm |