| Service | Number of cases | OPS key | Info | 
																			
											| Procedure for dialysing the blood outside the body with removal of the poison over a concentration gradient - dialysis | 4.429 | 8-854.2 |  | 
																			
											|  | 212 | 9-984.8 |  | 
																			
											|  | 150 | 9-984.7 |  | 
																			
											| Computed tomography (CT) of the head without contrast medium | 129 | 3-200 |  | 
																			
											|  | 119 | 9-984.b |  | 
																			
											| Examination of the oesophagus, stomach and duodenum by endoscopy | 99 | 1-632.0 |  | 
																			
											|  | 85 | 9-984.9 |  | 
																			
											| Other operations on blood vessels | 71 | 5-399.5 |  | 
																			
											| Computed tomography of the abdomen with contrast medium | 70 | 3-225 |  | 
																			
											|  | 65 | 8-831.04 |  | 
																			
											| Computed tomography (CT) of the abdomen without contrast medium | 64 | 3-207 |  | 
																			
											| Transfusion of blood, red blood cells or platelets from a donor to a recipient | 58 | 8-800.c0 |  | 
																			
											| Procedure for dialysing the blood outside the body with removal of the poison over a concentration gradient - dialysis | 44 | 8-854.3 |  | 
																			
											| Complex differential diagnostic sonography of the vascular system with quantitative evaluation | 43 | 3-035 |  | 
																			
											|  | 42 | 9-984.6 |  | 
																			
											| Computed tomography of the chest with contrast medium | 41 | 3-222 |  | 
																			
											|  | 40 | 8-831.24 |  | 
																			
											| Computer-assisted analysis of the images with 3D-analysis | 39 | 3-990 |  | 
																			
											| Computed tomography (CT) of the chest without contrast medium | 38 | 3-202 |  | 
																			
											| Taking a tissue sample (biopsy) of the upper digestive tract, biliary tract or the pancreas by endoscopy | 33 | 1-440.a |  | 
																			
											| Examination of the large intestine by endoscopy - colonoscopy | 32 | 1-650.2 |  | 
																			
											| Computed tomography (CT) of the spine and the spinal cord without contrast medium | 28 | 3-203 |  | 
																			
											| Taking a tissue sample (biopsy) of the kidney, urinary tract or male reproductive organs through the skin, guided by imaging procedures such as ultrasound | 26 | 1-465.0 |  | 
																			
											| Ultrasound of the heart (echocardiography) through the oesophagus - TEE | 19 | 3-052 |  | 
																			
											| Other operations on blood vessels | 17 | 5-399.7 |  | 
																			
											| Others therapeutic procedures to influence the immune system | 17 | 8-547.0 |  | 
																			
											|  | 17 | 9-984.a |  | 
																			
											| Measurement of the brain waves - EEG | 15 | 1-207.1 |  | 
																			
											| Magnetic resonance imaging (MRI) of the spine and spinal cord without contrast medium | 15 | 3-802 |  | 
																			
											| Treatment by the targeted insertion of a needle into the chest with subsequent administration or removal of substances, e.g. fluid | 14 | 8-152.1 |  | 
																			
											| Magnetic resonance imaging (MRI) of the head without contrast medium | 13 | 3-800 |  | 
																			
											| Computed tomography of the neck with contrast medium | 12 | 3-221 |  | 
																			
											|  | 12 | 8-831.00 |  | 
																			
											| Taking a tissue sample (biopsy) of the upper digestive tract, biliary tract or the pancreas by endoscopy | 11 | 1-440.9 |  | 
																			
											| Computed tomography (CT) of the musculoskeletal system without contrast medium | 11 | 3-205 |  | 
																			
											| Computed tomography (CT) of the pelvis without contrast medium | 10 | 3-206 |  | 
																			
											| Other operations on the intestine | 10 | 5-469.d3 |  | 
																			
											| Anaesthesia with administration of an anaesthetic into a vein | 9 | 8-900 |  | 
																			
											| Measurement of lung function in an airtight cabin - whole body plethysmography | 8 | 1-710 |  | 
																			
											| Magnetic resonance imaging (MRI) of the head with contrast medium | 8 | 3-820 |  | 
																			
											| Magnetic resonance imaging (MRI) of the spine and spinal cord with contrast medium | 8 | 3-823 |  | 
																			
											| Surgical removal or destruction of diseased tissue in the large intestine | 8 | 5-452.61 |  | 
																			
											| Other operations on the intestine | 8 | 5-469.e3 |  | 
																			
											| Cancer treatment for one or more days with chemotherapy drugs administered into a vein or beneath the skin | 8 | 8-542.11 |  | 
																			
											| Taking a tissue sample (biopsy) of the lower digestive tract by endoscopy | 7 | 1-444.7 |  | 
																			
											| X-rays of the arteries in the abdomen with contrast medium | 7 | 3-604 |  | 
																			
											| Magnetic resonance imaging (MRI) of the musculoskeletal system without contrast medium | 7 | 3-806 |  | 
																			
											| Taking a tissue sample (biopsy) of the lower digestive tract by endoscopy | 6 | 1-444.6 |  | 
																			
											| Analysis of the amount of carbon monoxide taken in and given off by the lungs | 6 | 1-711 |  | 
																			
											| Six-minute walk test (as described by Guyatt) | 6 | 1-715 |  | 
																			
											| Computed tomography (CT) of the neck without contrast medium | 6 | 3-201 |  | 
																			
											| Magnetic resonance imaging (MRI) of the musculoskeletal system with contrast medium | 6 | 3-826 |  | 
																			
											|  | 6 | 8-831.02 |  | 
																			
											|  | 6 | 8-98g.10 |  | 
																			
											| Investigation of the activity of the heart and lungs during sleep | 5 | 1-791 |  | 
																			
											| Computed tomography of the head with contrast medium | 5 | 3-220 |  | 
																			
											| Magnetic resonance imaging (MRI) of the abdominal cavity with contrast medium | 5 | 3-825 |  | 
																			
											| Surgical creation of a connection between the urinary bladder and skin of the abdomen for artificial urinary drainage | 5 | 5-572.1 |  | 
																			
											| Cardiac or cardiopulmonary resuscitation | 5 | 8-771 |  | 
																			
											| Examination of the large intestine by endoscopy - colonoscopy | 4 | 1-650.0 |  | 
																			
											| Examination of the S-shaped part of the large intestine (sigmoid colon) by endoscopy | 4 | 1-651 |  | 
																			
											| Computed tomography of the pelvis with contrast medium | 4 | 3-226 |  | 
																			
											| Computed tomography (CT) of the blood vessels other than the main arteries and veins near the heart with contrast medium | 4 | 3-228 |  | 
																			
											| Magnetic resonance imaging (MRI) of the pelvis with contrast medium | 4 | 3-82a |  | 
																			
											| Other operations on the stomach | 4 | 5-449.d3 |  | 
																			
											|  | 4 | 8-831.01 |  | 
																			
											| Additional information on materials used | 4 | 8-83b.c6 |  | 
																			
											| 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 | 4 | 8-930 |  | 
																			
											| Examination of nerve conduction - ENG | not specified | 1-206 |  | 
																			
											| Taking a tissue sample (biopsy) of hormone-producing organs through the skin, guided by imaging procedures such as ultrasound | not specified | 1-407.2 |  | 
																			
											| Taking a tissue sample (biopsy) of the bone marrow without surgical incision | not specified | 1-424 |  | 
																			
											| Taking a tissue sample (biopsy) of lymph nodes, spleen or thymus gland through the skin, guided by imaging procedures such as ultrasound | not specified | 1-426.3 |  | 
																			
											| Taking a tissue sample (biopsy) of the respiratory tract by endoscopy | not specified | 1-430.10 |  | 
																			
											| Taking a tissue sample (biopsy) of the respiratory tract by endoscopy | not specified | 1-430.20 |  | 
																			
											| Taking a tissue sample (biopsy) of the lower digestive tract by endoscopy | not specified | 1-444.x |  | 
																			
											| Taking a tissue sample (biopsy) of the pancreas with a fine needle under ultrasound guidance | not specified | 1-447 |  | 
																			
											| Taking a tissue sample (biopsy) of bone without surgical incision, guided by imaging procedures such as ultrasound | not specified | 1-481.5 |  | 
																			
											| Taking a tissue sample (biopsy) via a vein or artery | not specified | 1-497.x |  | 
																			
											| Taking a tissue sample (biopsy) of the kidney or surrounding tissue through a surgical incision | not specified | 1-560.0 |  | 
																			
											| Examination of the trachea and the bronchi by endoscopy | not specified | 1-620.01 |  | 
																			
											| Examination of the trachea and the bronchi by endoscopy | not specified | 1-620.11 |  | 
																			
											| Examination of the oesophagus and the stomach by endoscopy | not specified | 1-631.0 |  | 
																			
											| Examination of the oesophagus and the stomach by endoscopy | not specified | 1-631.1 |  | 
																			
											| Examination of the large intestine by endoscopy - colonoscopy | not specified | 1-650.1 |  | 
																			
											| Examination of the rectum by endoscopy | not specified | 1-654.0 |  | 
																			
											| Examination of the bronchi by taking a sample of fluid or tissue with a needle | not specified | 1-843 |  | 
																			
											| Examination of the space between the lungs and ribs by taking a sample of fluid or tissue with a needle | not specified | 1-844 |  | 
																			
											| Examination of the abdominal cavity by taking a sample of fluid or tissue with a needle | not specified | 1-853.2 |  | 
																			
											| Comprehensive ultrasound examination with contrast medium for investigating and excluding suspected diagnoses | not specified | 3-030 |  | 
																			
											| Ultrasound of the biliary tract with access through the oesophagus | not specified | 3-055.1 |  | 
																			
											| Ultrasound the pancreas with access through the oesophagus | not specified | 3-056 |  | 
																			
											| Ultrasound of the lungs with access through the respiratory tract | not specified | 3-05f |  | 
																			
											| X-rays of the oesophagus with contrast medium | not specified | 3-137 |  | 
																			
											| Computed tomography (CT) of the musculoskeletal system with contrast medium | not specified | 3-227 |  | 
																			
											| X-rays of the arteries in the head with contrast medium | not specified | 3-600 |  | 
																			
											| Imaging procedure to show the kidneys by means of radioactivity (scintigraphy) | not specified | 3-706.1 |  | 
																			
											| Magnetic resonance imaging (MRI) of the neck without contrast medium | not specified | 3-801 |  | 
																			
											| Magnetic resonance imaging (MRI) of the abdominal cavity without contrast medium | not specified | 3-804 |  | 
																			
											| Magnetic resonance imaging (MRI) of the pelvis without contrast medium | not specified | 3-805 |  | 
																			
											| Magnetic resonance imaging of the chest without contrast medium (MRI) | not specified | 3-809 |  | 
																			
											| Magnetic resonance imaging (MRI) of the neck with contrast medium | not specified | 3-821 |  | 
																			
											| Magnetic resonance imaging (MRI) of the chest with contrast medium | not specified | 3-822 |  | 
																			
											| Magnetic resonance imaging (MRI) of the blood vessels apart from the main arteries and veins near the heart with contrast medium | not specified | 3-828 |  | 
																			
											| Quantitative analysis of specific values such as organ function or blood flow rate | not specified | 3-993 |  | 
																			
											| Obliteration of the space between the lungs and ribs - pleurodesis | not specified | 5-345.5 |  | 
																			
											| Clearance of several lymph nodes from a region during another operation | not specified | 5-406.4 |  | 
																			
											| Surgical removal or destruction of diseased tissue in the oesophagus | not specified | 5-422.5x |  | 
																			
											| Other operations on the oesophagus | not specified | 5-429.d |  | 
																			
											| Surgical removal or destruction of diseased tissue in the stomach | not specified | 5-433.21 |  | 
																			
											| Surgical removal or destruction of diseased tissue in the stomach | not specified | 5-433.50 |  | 
																			
											| Surgical removal or destruction of diseased tissue in the stomach | not specified | 5-433.52 |  | 
																			
											| Surgical removal or destruction of diseased tissue in the stomach | not specified | 5-433.5x |  | 
																			
											| Surgical removal or destruction of diseased tissue in the small intestine | not specified | 5-451.92 |  | 
																			
											| Surgical removal or destruction of diseased tissue in the large intestine | not specified | 5-452.62 |  | 
																			
											| Surgical removal or destruction of diseased tissue in the large intestine | not specified | 5-452.82 |  | 
																			
											| Other operations on the intestine | not specified | 5-469.c3 |  | 
																			
											| Surgical removal or destruction of diseased tissue in the rectum with access through the anus | not specified | 5-482.01 |  | 
																			
											| Other operations on the rectum | not specified | 5-489.d |  | 
																			
											| Surgical incision into or removal of tissue from the anus | not specified | 5-490.1 |  | 
																			
											|  | not specified | 5-549.21 |  | 
																			
											| Surgical implantation of an artificial joint in the arm or shoulder | not specified | 5-824.21 |  | 
																			
											| Other operations on the muscles, tendons, their connective tissue sheaths or bursae | not specified | 5-859.12 |  | 
																			
											| Other surgical incision into the skin or subcutaneous tissues | not specified | 5-892.0c |  | 
																			
											| Other surgical incision into the skin or subcutaneous tissues | not specified | 5-892.1f |  | 
																			
											| Surgical eradication of a pilonidal sinus | not specified | 5-897.0 |  | 
																			
											| Simple surgical closure of the skin or the subcutaneous tissues after injuries, e.g. with a suture | not specified | 5-900.1f |  | 
																			
											| Temporary covering of soft tissue injuries with skin or artificial skin | not specified | 5-916.a0 |  | 
																			
											| Administration of medicines in accordance with List 1 of the procedures list | not specified | 6-001.h6 |  | 
																			
											| Administration of medicines in accordance with List 1 of the procedures list | not specified | 6-001.h8 |  | 
																			
											| Administration of medicines in accordance with List 1 of the procedures list | not specified | 6-001.ha |  | 
																			
											| Administration of medicines in accordance with List 1 of the procedures list | not specified | 6-001.hb |  | 
																			
											| Administration of medicines in accordance with List 1 of the procedures list | not specified | 6-001.hd |  | 
																			
											| Administration of medicines in accordance with List 1 of the procedures list | not specified | 6-001.hf |  | 
																			
											| Administration of medicines in accordance with List 2 of the procedures list | not specified | 6-002.72 |  | 
																			
											| Administration of medicines in accordance with List 2 of the procedures list | not specified | 6-002.73 |  | 
																			
											| Administration of medicines according to List 4 of the Catalogue of Procedures | not specified | 6-004.6 |  | 
																			
											| Removal of a foreign body by endoscopy | not specified | 8-100.6 |  | 
																			
											| Exchange or removal of a urinary catheter through the abdominal wall | not specified | 8-133.0 |  | 
																			
											| Insertion of a small tube (cannula) or catheter into an organ in the abdominal cavity for the drainage of fluid | not specified | 8-146.2 |  | 
																			
											| Treatment by the targeted insertion of a needle into the abdominal cavity with subsequent administration or removal of substances, e.g. fluid | not specified | 8-153 |  | 
																			
											| Treatment by the targeted insertion of a needle into a joint with subsequent administration or removal of substances, e.g. fluid | not specified | 8-158.g |  | 
																			
											| Treatment by the targeted insertion of a needle into a joint with subsequent administration or removal of substances, e.g. fluid | not specified | 8-158.h |  | 
																			
											| Specific dressing techniques | not specified | 8-190.20 |  | 
																			
											|  | not specified | 8-192.0f |  | 
																			
											| Cancer treatment for one or more days with chemotherapy drugs administered into a vein or beneath the skin | not specified | 8-542.12 |  | 
																			
											| Cancer treatment for several days (e.g. 2-4 days) with two or more chemotherapy drugs administered into a vein | not specified | 8-543.41 |  | 
																			
											| Function-orientated physical exercises and uses | not specified | 8-561.1 |  | 
																			
											| Other resuscitation measures | not specified | 8-779 |  | 
																			
											| Transfusion of blood, red blood cells or platelets from a donor to a recipient | not specified | 8-800.c1 |  | 
																			
											| Transfusion of other plasma components or genetically engineered blood proteins | not specified | 8-812.50 |  | 
																			
											| 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 | 8-812.52 |  | 
																			
											| Transfusion of other plasma components or genetically engineered blood proteins | not specified | 8-812.53 |  | 
																			
											| Transfusion of other plasma components or genetically engineered blood proteins | not specified | 8-812.58 |  | 
																			
											| Treatment by the exchange of the patient-s own blood for a substitute solution | not specified | 8-820.01 |  | 
																			
											| Treatment by the exchange of the patient-s own blood for a substitute solution | not specified | 8-820.04 |  | 
																			
											| Treatment by the exchange of the patient-s own blood for a substitute solution | not specified | 8-820.08 |  | 
																			
											| Treatment by the exchange of the patient-s own blood for a substitute solution | not specified | 8-820.0a |  | 
																			
											| Insertion or exchange of a tube (catheter) in a large vein | not specified | 8-831.5 |  | 
																			
											| Insertion or exchange of a tube (catheter) in the pulmonary artery | not specified | 8-832.0 |  | 
																			
											| Treatment of a vessel with access via a tube (catheter) | not specified | 8-836.0a |  | 
																			
											| Treatment of a vessel with access via a tube (catheter) | not specified | 8-836.0q |  | 
																			
											| Treatment of a vessel with access via a tube (catheter) | not specified | 8-836.80 |  | 
																			
											| Treatment of a vessel with access via a tube (catheter) | not specified | 8-836.mh |  | 
																			
											| Treatment of a vessel with access via a tube (catheter) | not specified | 8-836.n1 |  | 
																			
											| Additional information on materials used | not specified | 8-83b.84 |  | 
																			
											|  | not specified | 8-83b.87 |  | 
																			
											| Implantation of non-drug eluting tubing (stents) in blood vessels | not specified | 8-840.0a |  | 
																			
											| Implantation of non-drug eluting tubing (stents) in blood vessels | not specified | 8-840.0q |  | 
																			
											| Implantation of non-drug eluting tubing (stents) in blood vessels | not specified | 8-840.0x |  | 
																			
											| Procedure for dialysing the blood outside the body with removal of the poison over a concentration gradient - dialysis | not specified | 8-854.4 |  | 
																			
											| Blood purification procedure with detoxification through the peritoneum - peritoneal dialysis | not specified | 8-857.12 |  | 
																			
											| Blood purification procedure with detoxification through the peritoneum - peritoneal dialysis | not specified | 8-857.13 |  | 
																			
											| Treatment of pain by the introduction of a liquid anaesthetic around other nerves outside the brain and spinal cord | not specified | 8-915 |  | 
																			
											| Comprehensive pain control for acute pain | not specified | 8-919 |  | 
																			
											| Radio-controlled cardiological telemetry | not specified | 8-933 |  | 
																			
											| Treatment on the intensive care unit (basic procedures) | not specified | 8-980.0 |  | 
																			
											|  | not specified | 8-981.20 |  | 
																			
											| 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 |  | 
																			
											|  | not specified | 8-98g.11 |  | 
																			
											|  | not specified | 8-98g.12 |  |