| Service | Number of cases | OPS key | Info | 
																			
											| Magnetic resonance imaging (MRI) of the head without contrast medium | 1.081 | 3-800 |  | 
																			
											| Examination of the cerebrospinal fluid spaces | 761 | 1-204.2 |  | 
																			
											| Measurement of the brain waves - EEG | 679 | 1-207.0 |  | 
																			
											| Computed tomography (CT) of the head without contrast medium | 611 | 3-200 |  | 
																			
											| Magnetic resonance imaging (MRI) of the spine and spinal cord without contrast medium | 459 | 3-802 |  | 
																			
											| Intensive care monitoring of respiration, the heart and the circulation without measurement of the pressure in the pulmonary artery and in the right atrium of the heart | 354 | 8-930 |  | 
																			
											| Examination of nerve conduction - ENG | 211 | 1-206 |  | 
																			
											| Magnetic resonance imaging (MRI) of the head with contrast medium | 195 | 3-820 |  | 
																			
											|  | 171 | 9-984.7 |  | 
																			
											|  | 167 | 9-984.8 |  | 
																			
											|  | 160 | 9-984.b |  | 
																			
											| Measurement of brain waves triggered by targeted stimuli (evoked potentials) | 146 | 1-208.2 |  | 
																			
											| Magnetic resonance imaging (MRI) of the spine and spinal cord with contrast medium | 143 | 3-823 |  | 
																			
											| Measurement of brain waves triggered by targeted stimuli (evoked potentials) | 121 | 1-208.4 |  | 
																			
											| Measurement of the electrical activity of the muscles - EMG | 113 | 1-205 |  | 
																			
											| Other computed tomography (CT) with contrast medium | 97 | 3-22x |  | 
																			
											|  | 97 | 8-981.20 |  | 
																			
											| Ultrasound of the heart (echocardiography) through the oesophagus - TEE | 84 | 3-052 |  | 
																			
											|  | 81 | 8-981.22 |  | 
																			
											| Others therapeutic procedures to influence the immune system | 67 | 8-547.30 |  | 
																			
											| Computed tomography of the chest with contrast medium | 65 | 3-222 |  | 
																			
											| Measurement of brain waves triggered by targeted stimuli (evoked potentials) | 63 | 1-208.6 |  | 
																			
											|  | 58 | 9-984.9 |  | 
																			
											|  | 57 | 8-981.23 |  | 
																			
											| Computed tomography of the abdomen with contrast medium | 52 | 3-225 |  | 
																			
											| Computed tomography (CT) of the chest without contrast medium | 51 | 3-202 |  | 
																			
											|  | 45 | 9-984.6 |  | 
																			
											| Other computed tomography (CT) without contrast medium | 44 | 3-20x |  | 
																			
											| Treatment by the targeted insertion of a needle into the brain, spinal cord or the eye with subsequent administration or removal of substances, e.g. fluid | 37 | 8-151.4 |  | 
																			
											|  | 36 | 8-981.21 |  | 
																			
											| Examination of the cerebrospinal fluid spaces | 34 | 1-204.1 |  | 
																			
											|  | 31 | 8-831.00 |  | 
																			
											| Evaluation of swallowing with the help of a tube-shaped instrument with a camera mounted at the end (endoscope) | 27 | 1-613 |  | 
																			
											|  | 27 | 9-984.a |  | 
																			
											| Insertion of a tube into the trachea for ventilation - intubation | 26 | 8-701 |  | 
																			
											| Examination of the trachea and the bronchi by endoscopy | 25 | 1-620.00 |  | 
																			
											| Interdisciplinary management other chronic illnesses | 22 | 8-97d.1 |  | 
																			
											| Treatment by injecting a medicine into an organ or tissue, or removal of excess fluid (effusion) e.g. from the joints | 17 | 8-020.8 |  | 
																			
											| Transfusion of blood plasma or plasma components or genetically engineered blood proteins | 15 | 8-810.wa |  | 
																			
											| Transfusion of blood plasma or plasma components or genetically engineered blood proteins | 14 | 8-810.wd |  | 
																			
											| Function-orientated physical exercises and uses | 13 | 8-561.1 |  | 
																			
											| Computed tomography (CT) of the spine and the spinal cord without contrast medium | 12 | 3-203 |  | 
																			
											| Insertion of a temporary, artificial tracheal opening | 11 | 5-311.1 |  | 
																			
											| Transfusion of blood plasma or plasma components or genetically engineered blood proteins | 10 | 8-810.wf |  | 
																			
											| Transfusion of blood plasma or plasma components or genetically engineered blood proteins | 9 | 8-810.w5 |  | 
																			
											| Transfusion of blood plasma or plasma components or genetically engineered blood proteins | 9 | 8-810.w6 |  | 
																			
											| Magnetic resonance imaging (MRI) of the musculoskeletal system without contrast medium | 8 | 3-806 |  | 
																			
											| Transfusion of blood, red blood cells or platelets from a donor to a recipient | 8 | 8-800.c0 |  | 
																			
											|  | 6 | 8-718.72 |  | 
																			
											| Transfusion of blood plasma or plasma components or genetically engineered blood proteins | 6 | 8-810.w8 |  | 
																			
											| Transfusion of blood plasma or plasma components or genetically engineered blood proteins | 6 | 8-810.w9 |  | 
																			
											| Transfusion of blood plasma or plasma components or genetically engineered blood proteins | 6 | 8-810.we |  | 
																			
											|  | 6 | 8-98g.11 |  | 
																			
											|  | 6 | 8-98g.12 |  | 
																			
											| Computed tomography of the head with contrast medium | 5 | 3-220 |  | 
																			
											| Administration of medicines in accordance with List 3 of the procedures list | 5 | 6-003.8 |  | 
																			
											|  | 5 | 8-718.71 |  | 
																			
											|  | 5 | 8-98g.10 |  | 
																			
											| Magnetic resonance imaging (MRI) of the musculoskeletal system with contrast medium | 4 | 3-826 |  | 
																			
											| Filtration of antibodies from the blood | 4 | 8-821.0 |  | 
																			
											| Examination of the cerebrospinal fluid spaces | not specified | 1-204.0 |  | 
																			
											| Examination of the cerebrospinal fluid spaces | not specified | 1-204.3 |  | 
																			
											| Examination of the cerebrospinal fluid spaces | not specified | 1-204.5 |  | 
																			
											| Measurement of brain waves triggered by targeted stimuli (evoked potentials) | not specified | 1-208.0 |  | 
																			
											| Taking a tissue sample (biopsy) of muscle or soft tissue with a needle | not specified | 1-491.5 |  | 
																			
											| Examination of the oesophagus, stomach and duodenum by endoscopy | not specified | 1-632.0 |  | 
																			
											| (Neuro-)psychological assessment or establishing the psychosocial background such as financial, occupational and family situation | not specified | 1-901.0 |  | 
																			
											| Computed tomography (CT) of the pelvis without contrast medium | not specified | 3-206 |  | 
																			
											| Computed tomography of the pelvis with contrast medium | not specified | 3-226 |  | 
																			
											| Magnetic resonance imaging (MRI) of the neck without contrast medium | not specified | 3-801 |  | 
																			
											| Magnetic resonance imaging (MRI) of the neck with contrast medium | not specified | 3-821 |  | 
																			
											| Surgical incision into the intestine | not specified | 5-450.3 |  | 
																			
											| Closure of a skin wound, e.g. by suturing, or re-operation of a skin graft for burns or chemical burns | not specified | 5-928.0h |  | 
																			
											| Administration of medicines in accordance with List 2 of the procedures list | not specified | 6-002.pa |  | 
																			
											| Administration of medicines in accordance with List 2 of the procedures list | not specified | 6-002.pd |  | 
																			
											| Administration of medicines according to List 4 of the Catalogue of Procedures | not specified | 6-004.6 |  | 
																			
											|  | not specified | 6-008.f |  | 
																			
											|  | not specified | 6-00f.p5 |  | 
																			
											| Insertion of a small tube (cannula) or catheter into the space between the lungs and ribs for the drainage of fluid | not specified | 8-144.0 |  | 
																			
											| Treatment by the targeted insertion of a needle into the kidney or urinary tract with subsequent administration or removal of substances, e.g. fluid | not specified | 8-155.2 |  | 
																			
											| Others therapeutic procedures to influence the immune system | not specified | 8-547.31 |  | 
																			
											| Use of a face, nasal, or laryngeal mask for mechanical ventilation | not specified | 8-706 |  | 
																			
											|  | not specified | 8-718.73 |  | 
																			
											|  | not specified | 8-718.74 |  | 
																			
											| Cardiac or cardiopulmonary resuscitation | not specified | 8-771 |  | 
																			
											| Transfusion of blood, red blood cells or platelets from a donor to a recipient | not specified | 8-800.c1 |  | 
																			
											| Transfusion of blood plasma or plasma components or genetically engineered blood proteins | not specified | 8-810.w3 |  | 
																			
											| Transfusion of blood plasma or plasma components or genetically engineered blood proteins | not specified | 8-810.w4 |  | 
																			
											| Transfusion of blood plasma or plasma components or genetically engineered blood proteins | not specified | 8-810.w7 |  | 
																			
											| Transfusion of blood plasma or plasma components or genetically engineered blood proteins | not specified | 8-810.wc |  | 
																			
											| Transfusion of other plasma components or genetically engineered blood proteins | not specified | 8-812.51 |  | 
																			
											| Transfusion of other plasma components or genetically engineered blood proteins | not specified | 8-812.53 |  | 
																			
											| Insertion or exchange of a tube (catheter) in a large vein | not specified | 8-831.0 |  | 
																			
											|  | not specified | 8-831.02 |  | 
																			
											|  | not specified | 8-831.03 |  | 
																			
											|  | not specified | 8-831.20 |  | 
																			
											| Anaesthesia with administration of an anaesthetic into a vein | not specified | 8-900 |  | 
																			
											| Treatment on the intensive care unit (basic procedures) | not specified | 8-980.10 |  | 
																			
											| Interdisciplinary management for colonisation or infection with multiresistant germs (pathogens) | not specified | 8-987.10 |  | 
																			
											| Interdisciplinary management for colonisation or infection with multiresistant germs (pathogens) | not specified | 8-987.11 |  | 
																			
											| Interdisciplinary management for colonisation or infection with multiresistant germs (pathogens) | not specified | 8-987.12 |  | 
																			
											| Interdisciplinary management for colonisation or infection with multiresistant germs (pathogens) | not specified | 8-987.13 |  | 
																			
											|  | not specified | 8-98g.13 |  | 
																			
											|  | not specified | 8-98g.14 |  | 
																			
											| Treatment of physically or functionally induced disorders of speech, language, the voice or swallowing | not specified | 9-320 |  | 
																			
											| Specific psychotherapeutic procedure where patients are treated individually - individual therapy | not specified | 9-410.14 |  |