| Code | Title | 
					
				| – | Top Categories | 
		
					
				| 0 | Medical and Surgical | 
					
				| 0G | Endocrine System | 
					
				| 0G9 | Drainage
					Endocrine System, Drainage | 
					
				| 0G90 | Pituitary Gland | 
					
				| 0G91 | Pineal Body | 
					
				| 0G92 | Adrenal Gland, Left | 
					
				| 0G93 | Adrenal Gland, Right | 
					
				| 0G94 | Adrenal Glands, Bilateral | 
					
				| 0G96 | Carotid Body, Left | 
					
				| 0G97 | Carotid Body, Right | 
					
				| 0G98 | Carotid Bodies, Bilateral | 
					
				| 0G99 | Para-aortic Body | 
					
				| 0G9B | Coccygeal Glomus | 
					
				| 0G9C | Glomus Jugulare | 
					
				| 0G9D | Aortic Body | 
					
				| 0G9F | Paraganglion Extremity | 
					
				| 0G9G | Thyroid Gland Lobe, Left | 
					
				| 0G9H | Thyroid Gland Lobe, Right | 
					
				| 0G9K | Thyroid Gland | 
					
				| 0G9L | Superior Parathyroid Gland, Right | 
					
				| 0G9M | Superior Parathyroid Gland, Left | 
					
				| 0G9N | Inferior Parathyroid Gland, Right | 
					
				| 0G9P | Inferior Parathyroid Gland, Left | 
					
				| 0G9Q | Parathyroid Glands, Multiple | 
					
				| 0G9R | Parathyroid Gland |