| Service | Number of cases | OPS number | Info | 
																			
											| Examination of the large intestine by endoscopy - colonoscopy | 361 | 1-650.2 |  | 
																			
											| Taking a tissue sample (biopsy) of the lower digestive tract by endoscopy | 253 | 1-444.6 |  | 
																			
											| Taking a tissue sample (biopsy) of the lower digestive tract by endoscopy | 143 | 1-444.7 |  | 
																			
											| Examination of the large intestine by endoscopy - colonoscopy | 108 | 1-650.1 |  | 
																			
											| Surgical removal or destruction of diseased tissue in the large intestine | 67 | 5-452.61 |  | 
																			
											| Examination of the large intestine by endoscopy - colonoscopy | 44 | 1-650.0 |  | 
																			
											| Exchange or removal of a feeding tube inserted into the stomach through the skin | 39 | 8-123.0 |  | 
																			
											| Surgical removal or destruction of diseased tissue in the large intestine | 23 | 5-452.62 |  | 
																			
											| Taking a tissue sample (biopsy) of the liver, biliary tract or the pancreas through the skin, guided by imaging procedures such as ultrasound | 7 | 1-442.0 |  | 
																			
											| Exchange or removal of a feeding tube inserted into the stomach through the skin | 7 | 8-123.1 |  | 
																			
											| Other operations on the oesophagus | 4 | 5-429.8 |  | 
																			
											| Surgical removal or destruction of diseased tissue in the large intestine | not specified | 5-452.72 |  | 
																			
											| Surgical removal or destruction of diseased tissue in the large intestine | not specified | 5-452.63 |  | 
																			
											| Surgical removal or destruction of diseased tissue in the large intestine | not specified | 5-452.71 |  | 
																			
											| Examination of the biliary tract by X-ray examination with contrast medium during endoscopy of the duodenum | not specified | 1-640 |  | 
																			
											| Exchange or removal of a feeding tube inserted into the small intestine through the skin | not specified | 8-124.0 |  | 
																			
											| Surgical insertion of a tube into the stomach through the abdominal wall for artificial feeding | not specified | 5-431.21 |  | 
																			
											| Surgical insertion of a tube into the stomach through the abdominal wall for artificial feeding | not specified | 5-431.20 |  | 
																			
											| Other operations on blood vessels | not specified | 5-399.5 |  | 
																			
											|  | not specified | 5-513.A |  | 
																			
											| Operation on the biliary tract during gastroscopy | not specified | 5-513.21 |  | 
																			
											| Surgical removal or destruction of diseased tissue in the large intestine | not specified | 5-452.60 |  | 
																			
											| Taking a tissue sample (biopsy) of the upper digestive tract, biliary tract or the pancreas by endoscopy | not specified | 1-440.7 |  |