| Service | Number of cases | OPS key | Info | 
																			
											| Examination to detect a metabolic disorder, in which a specific substance (e.g. glucose) is given | 122 | 1-760 |  | 
																			
											| Measurement of lung function in an airtight cabin - whole body plethysmography | 69 | 1-710 |  | 
																			
											|  | 48 | 8-98g.10 |  | 
																			
											|  | 33 | 8-98g.11 |  | 
																			
											| Measurement of the brain waves - EEG | 28 | 1-207.0 |  | 
																			
											| Radio-controlled cardiological telemetry | 21 | 8-933 |  | 
																			
											| Examination of the oesophagus, stomach and duodenum by endoscopy | 5 | 1-632.0 |  | 
																			
											|  | 5 | 9-984.8 |  | 
																			
											| Taking a tissue sample (biopsy) of the upper digestive tract, biliary tract or the pancreas by endoscopy | 4 | 1-440.9 |  | 
																			
											| Taking a tissue sample (biopsy) of the upper digestive tract, biliary tract or the pancreas by endoscopy | not specified | 1-440.a |  | 
																			
											| Taking a tissue sample (biopsy) of the lower digestive tract by endoscopy | not specified | 1-444.6 |  | 
																			
											| Taking a tissue sample (biopsy) of the lower digestive tract by endoscopy | not specified | 1-444.7 |  | 
																			
											| Examination of the large intestine by endoscopy - colonoscopy | not specified | 1-650.2 |  | 
																			
											| Examination of the abdominal cavity or its organs by endoscopy | not specified | 1-694 |  | 
																			
											| Magnetic resonance imaging (MRI) of the head without contrast medium | not specified | 3-800 |  | 
																			
											| Magnetic resonance imaging (MRI) of the abdominal cavity without contrast medium | not specified | 3-804 |  | 
																			
											| Surgical removal of the appendix - appendicectomy | not specified | 5-470.11 |  | 
																			
											| Interdisciplinary management for colonisation or infection with multiresistant germs (pathogens) | not specified | 8-987.10 |  | 
																			
											| Patient education | not specified | 9-500.0 |  | 
																			
											|  | not specified | 9-984.6 |  | 
																			
											|  | not specified | 9-984.7 |  | 
																			
											|  | not specified | 9-984.9 |  | 
																			
											|  | not specified | 9-984.a |  |