| Service | Number of cases | OPS key | Info | 
																			
											| Computed tomography of the abdomen with contrast medium | 347 | 3-225 |  | 
																			
											| Examination of the oesophagus, stomach and duodenum by endoscopy | 264 | 1-632.0 |  | 
																			
											| Examination of the large intestine by endoscopy - colonoscopy | 219 | 1-650.2 |  | 
																			
											| Examination of the duodenum by endoscopy | 217 | 1-635.0 |  | 
																			
											| Taking a tissue sample (biopsy) of the upper digestive tract, biliary tract or the pancreas by endoscopy | 193 | 1-440.9 |  | 
																			
											|  | 158 | 9-984.7 |  | 
																			
											| Computed tomography of the chest with contrast medium | 150 | 3-222 |  | 
																			
											| Computed tomography (CT) of the head without contrast medium | 138 | 3-200 |  | 
																			
											|  | 126 | 9-984.8 |  | 
																			
											| 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 | 123 | 8-930 |  | 
																			
											| Transfusion of blood, red blood cells or platelets from a donor to a recipient | 100 | 8-800.c0 |  | 
																			
											| Treatment procedure to maintain and encourage practical everyday and social skills - psychosocial intervention | 92 | 9-401.22 |  | 
																			
											|  | 91 | 8-98g.11 |  | 
																			
											|  | 88 | 8-98g.10 |  | 
																			
											| Taking a tissue sample (biopsy) of the upper digestive tract, biliary tract or the pancreas by endoscopy | 84 | 1-440.a |  | 
																			
											| Magnetic resonance imaging (MRI) of the abdominal cavity with contrast medium | 82 | 3-825 |  | 
																			
											| Magnetic resonance imaging (MRI) of the biliary tract and pancreatic ducts with contrast medium | 68 | 3-843.0 |  | 
																			
											| Computed tomography (CT) of the abdomen without contrast medium | 61 | 3-207 |  | 
																			
											|  | 61 | 9-984.9 |  | 
																			
											| Other operations on the intestine | 60 | 5-469.d3 |  | 
																			
											| Taking a tissue sample (biopsy) of the lower digestive tract by endoscopy | 53 | 1-444.6 |  | 
																			
											|  | 49 | 8-831.00 |  | 
																			
											|  | 47 | 9-984.6 |  | 
																			
											| Examination of the biliary tract by X-ray examination with contrast medium during endoscopy of the duodenum | 44 | 1-640 |  | 
																			
											|  | 41 | 9-984.b |  | 
																			
											| Treatment on the intensive care unit (basic procedures) | 38 | 8-980.0 |  | 
																			
											| Surgical removal or destruction of diseased tissue in the large intestine | 37 | 5-452.63 |  | 
																			
											| Other operations on the intestine | 37 | 5-469.e3 |  | 
																			
											|  | 36 | 9-984.a |  | 
																			
											| Examination of the large intestine by endoscopy - colonoscopy | 33 | 1-650.1 |  | 
																			
											| Insertion of a small tube (cannula) or catheter into another organ or tissue for the drainage of fluid | 33 | 8-148.0 |  | 
																			
											| Surgical removal or destruction of diseased tissue in the large intestine | 29 | 5-452.61 |  | 
																			
											| Examination of the duodenum by endoscopy | 26 | 1-635.1 |  | 
																			
											| Computed tomography (CT) of the neck without contrast medium | 25 | 3-201 |  | 
																			
											| Operation on the biliary tract during gastroscopy | 25 | 5-513.1 |  | 
																			
											| Special staining of the lining (mucosa) of the oesophagus and stomach during endoscopy | 23 | 1-63b |  | 
																			
											| Operation on the biliary tract during gastroscopy | 23 | 5-513.f0 |  | 
																			
											| Transfusion of blood plasma or plasma components or genetically engineered blood proteins | 23 | 8-810.x |  | 
																			
											| Examination of the abdominal cavity by taking a sample of fluid or tissue with a needle | 21 | 1-853.2 |  | 
																			
											| X-rays of the large intestine with contrast medium enema | 20 | 3-13a |  | 
																			
											| Operation on the biliary tract during gastroscopy | 20 | 5-513.21 |  | 
																			
											| Magnetic resonance imaging (MRI) of the abdominal cavity without contrast medium | 19 | 3-804 |  | 
																			
											| Examination of the trachea and the bronchi by endoscopy | 18 | 1-620.00 |  | 
																			
											| Special staining of the lining (mucosa) of the small and large intestine and the anal mucosa during endoscopy | 17 | 1-655 |  | 
																			
											| Complex differential diagnostic sonography of the vascular system with quantitative evaluation | 17 | 3-035 |  | 
																			
											|  | 17 | 8-98g.12 |  | 
																			
											| Taking a tissue sample (biopsy) of the lower digestive tract by endoscopy | 16 | 1-444.7 |  | 
																			
											| Computed tomography (CT) of the chest without contrast medium | 16 | 3-202 |  | 
																			
											| Examination to detect a metabolic disorder, in which a specific substance (e.g. glucose) is given | 15 | 1-760 |  | 
																			
											| X-rays of the patency of the stomach and intestine | 15 | 3-13b |  | 
																			
											| Other operations on the intestine | 15 | 5-469.s3 |  | 
																			
											| Intestinal lavage | 15 | 8-121 |  | 
																			
											| Use of a face, nasal, or laryngeal mask for mechanical ventilation | 15 | 8-706 |  | 
																			
											| Other operations on the oesophagus | 14 | 5-429.a |  | 
																			
											| Other operations on the stomach | 14 | 5-449.d3 |  | 
																			
											| Insertion of a tube into the trachea for ventilation - intubation | 14 | 8-701 |  | 
																			
											| Measurement of oesophageal acidity | 13 | 1-316.11 |  | 
																			
											| Examination of the S-shaped part of the large intestine (sigmoid colon) by endoscopy | 13 | 1-651 |  | 
																			
											| Surgical removal or destruction of diseased tissue in the large intestine | 13 | 5-452.a0 |  | 
																			
											| Examination of the oesophagus by endoscopy | 12 | 1-630.0 |  | 
																			
											| Examination of the large intestine by endoscopy - colonoscopy | 12 | 1-650.0 |  | 
																			
											| Ultrasound the pancreas with access through the oesophagus | 12 | 3-056 |  | 
																			
											| Surgical removal or destruction of diseased tissue in the large intestine | 12 | 5-452.60 |  | 
																			
											| Surgical removal or destruction of diseased tissue in the rectum with access through the anus | 12 | 5-482.01 |  | 
																			
											| Treatment of physically or functionally induced disorders of speech, language, the voice or swallowing | 12 | 9-320 |  | 
																			
											|  | 11 | 1-313.1 |  | 
																			
											| Magnetic resonance imaging (MRI) of the spine and spinal cord without contrast medium | 11 | 3-802 |  | 
																			
											| Other operations on the oesophagus | 11 | 5-429.d |  | 
																			
											| Other operations on the oesophagus | 11 | 5-429.j1 |  | 
																			
											| Treatment by specific positioning of the patient in bed, e.g. positioning in a sling table or special bed | 11 | 8-390.x |  | 
																			
											| Transfusion of other plasma components or genetically engineered blood proteins | 11 | 8-812.50 |  | 
																			
											| Treatment on the intensive care unit (basic procedures) | 11 | 8-980.10 |  | 
																			
											| Ultrasound of the biliary tract with access through the oesophagus | 10 | 3-055.0 |  | 
																			
											| Surgical removal or destruction of diseased tissue in the large intestine | 10 | 5-452.a1 |  | 
																			
											| Intensive care monitoring of respiration, the heart and the circulation with measurement of the pressure in the superior vena cava (central venous pressure) | 10 | 8-931.0 |  | 
																			
											| Other operations on the rectum | 9 | 5-489.d |  | 
																			
											| Cardiac or cardiopulmonary resuscitation | 9 | 8-771 |  | 
																			
											| Measurement of the electrical activity of the heart without a tube (catheter) inserted into the heart via an artery | 8 | 1-266.0 |  | 
																			
											| Other operations on the intestine | 8 | 5-469.t3 |  | 
																			
											| Other treatment by irrigation or lavage | 8 | 8-179.x |  | 
																			
											| Examination of the small intestine by swallowing a capsule containing a camera | 7 | 1-63a |  | 
																			
											| Surgical removal or destruction of diseased tissue in the large intestine | 7 | 5-452.82 |  | 
																			
											| Operation on the biliary tract during gastroscopy | 7 | 5-513.n0 |  | 
																			
											| Magnetic resonance imaging (MRI) of the head without contrast medium | 6 | 3-800 |  | 
																			
											| Treatment by the targeted insertion of a needle into the chest with subsequent administration or removal of substances, e.g. fluid | 6 | 8-152.1 |  | 
																			
											| Treatment of a nose bleed by packing with absorbent material (tamponade) | 6 | 8-500 |  | 
																			
											| Others therapeutic procedures to influence the immune system | 6 | 8-547.31 |  | 
																			
											| Other resuscitation measures | 6 | 8-779 |  | 
																			
											| Patient education | 6 | 9-500.0 |  | 
																			
											| Taking a tissue sample (biopsy) of bone with a needle | 5 | 1-480.5 |  | 
																			
											| Examination of the rectum by endoscopy | 5 | 1-654.0 |  | 
																			
											| Computed tomography (CT) of the spine and the spinal cord without contrast medium | 5 | 3-203 |  | 
																			
											| Magnetic resonance imaging (MRI) of the head with contrast medium | 5 | 3-820 |  | 
																			
											| Magnetic resonance imaging (MRI) of the pelvis with contrast medium | 5 | 3-82a |  | 
																			
											| Other operations on the oesophagus | 5 | 5-429.7 |  | 
																			
											| Surgical insertion of a tube into the stomach through the abdominal wall for artificial feeding | 5 | 5-431.20 |  | 
																			
											| Surgical removal or destruction of diseased tissue in the stomach | 5 | 5-433.52 |  | 
																			
											| Surgical removal or destruction of diseased tissue in the large intestine | 5 | 5-452.6x |  | 
																			
											| Other operations on the rectum | 5 | 5-489.e |  | 
																			
											| Transfusion of other plasma components or genetically engineered blood proteins | 5 | 8-812.51 |  | 
																			
											| Treatment on the intensive care unit (basic procedures) | 5 | 8-980.11 |  | 
																			
											| Treatment on the intensive care unit (basic procedures) | 5 | 8-980.20 |  | 
																			
											| Taking a tissue sample (biopsy) of the liver, biliary tract or the pancreas through the skin, guided by imaging procedures such as ultrasound | 4 | 1-442.0 |  | 
																			
											| Computed tomography of the neck with contrast medium | 4 | 3-221 |  | 
																			
											| Magnetic resonance imaging (MRI) of the neck with contrast medium | 4 | 3-821 |  | 
																			
											| Other operations on the oesophagus | 4 | 5-429.8 |  | 
																			
											| Other operations on the stomach | 4 | 5-449.s3 |  | 
																			
											| Surgical removal or destruction of diseased tissue in the rectum with access through the anus | 4 | 5-482.f0 |  | 
																			
											| Operation on the biliary tract during gastroscopy | 4 | 5-513.b |  | 
																			
											| Injection or administration of medicines into the urinary bladder | 4 | 8-132.1 |  | 
																			
											| Injection or administration of medicines into the urinary bladder | 4 | 8-132.2 |  | 
																			
											| Transfusion of blood, red blood cells or platelets from a donor to a recipient | 4 | 8-800.c1 |  | 
																			
											| Insertion or exchange of a tube (catheter) in a large vein | 4 | 8-831.0 |  | 
																			
											|  | 4 | 8-831.04 |  | 
																			
											| Treatment procedure to maintain and encourage practical everyday and social skills - psychosocial intervention | 4 | 9-401.23 |  | 
																			
											| Examination of the cerebrospinal fluid spaces | not specified | 1-204.2 |  | 
																			
											| Measurement of the brain waves - EEG | not specified | 1-207.0 |  | 
																			
											| Measurement of the brain waves - EEG | not specified | 1-207.1 |  | 
																			
											| Measurement of the electrical activity of the heart without a tube (catheter) inserted into the heart via an artery | not specified | 1-266.1 |  | 
																			
											|  | not specified | 1-313.x |  | 
																			
											| Taking a tissue sample (biopsy) of the bone marrow without surgical incision | not specified | 1-424 |  | 
																			
											| Taking a tissue sample (biopsy) of the respiratory tract by endoscopy | not specified | 1-430.10 |  | 
																			
											| Taking a tissue sample (biopsy) of the upper digestive tract, biliary tract or the pancreas by endoscopy | not specified | 1-440.6 |  | 
																			
											| Taking a tissue sample (biopsy) of the upper digestive tract, biliary tract or the pancreas by endoscopy | not specified | 1-440.7 |  | 
																			
											| Taking a tissue sample (biopsy) of other organs or tissues with a needle | not specified | 1-493.31 |  | 
																			
											| Taking a tissue sample (biopsy) of other organs or tissues with a needle | not specified | 1-493.32 |  | 
																			
											| Examination of the trachea and the bronchi by endoscopy | not specified | 1-620.01 |  | 
																			
											| Examination of the oesophagus and the stomach by endoscopy | not specified | 1-631.0 |  | 
																			
											| Examination of the oesophagus, stomach and duodenum by endoscopy | not specified | 1-632.1 |  | 
																			
											| Examination of the biliary tract and pancreatic ducts by X-ray examination with contrast medium during endoscopy of the duodenum | not specified | 1-642 |  | 
																			
											| Examination of the rectum by endoscopy | not specified | 1-654.1 |  | 
																			
											| Measurement of lung function in an airtight cabin - whole body plethysmography | not specified | 1-710 |  | 
																			
											| 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 a joint or of a bursa by taking a sample of fluid or tissue with a needle | not specified | 1-854.7 |  | 
																			
											| Comprehensive ultrasound examination with contrast medium for investigating and excluding suspected diagnoses | not specified | 3-030 |  | 
																			
											| Ultrasound of the oesophagus with access through the mouth | not specified | 3-051 |  | 
																			
											| Ultrasound of the heart (echocardiography) through the oesophagus - TEE | not specified | 3-052 |  | 
																			
											| Ultrasound of the stomach with access through the oesophagus | not specified | 3-053 |  | 
																			
											| Ultrasound of the duodenum with access through the oesophagus | not specified | 3-054 |  | 
																			
											| Ultrasound of the biliary tract with access through the oesophagus | not specified | 3-055.1 |  | 
																			
											| Ultrasound of the rectum, with access through the anus | not specified | 3-058 |  | 
																			
											| Ultrasound of the tissue behind the abdominal cavity with access through the oesophagus | not specified | 3-05a |  | 
																			
											| X-rays of the breast | not specified | 3-100.0 |  | 
																			
											| X-rays of the oesophagus with contrast medium | not specified | 3-137 |  | 
																			
											| Computed tomography (CT) of the pelvis without contrast medium | not specified | 3-206 |  | 
																			
											| Computed tomography of the head with contrast medium | not specified | 3-220 |  | 
																			
											| Computed tomography (CT) of the musculoskeletal system with contrast medium | not specified | 3-227 |  | 
																			
											| X-rays of the aortic arch with contrast medium | not specified | 3-602 |  | 
																			
											| Magnetic resonance imaging (MRI) of the neck without contrast medium | not specified | 3-801 |  | 
																			
											| Magnetic resonance imaging (MRI) of the musculoskeletal system without contrast medium | not specified | 3-806 |  | 
																			
											| Magnetic resonance imaging (MRI) of the spine and spinal cord with contrast medium | not specified | 3-823 |  | 
																			
											| 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 |  | 
																			
											| Insertion of a temporary, artificial tracheal opening | not specified | 5-311.1 |  | 
																			
											| Other operations on the oesophagus | not specified | 5-429.e |  | 
																			
											| Other operations on the oesophagus | not specified | 5-429.j2 |  | 
																			
											| Other operations on the oesophagus | not specified | 5-429.u |  | 
																			
											|  | not specified | 5-429.v0 |  | 
																			
											| Surgical removal or destruction of diseased tissue in the stomach | not specified | 5-433.21 |  | 
																			
											| Other operations on the stomach | not specified | 5-449.e3 |  | 
																			
											| Other operations on the stomach | not specified | 5-449.t3 |  | 
																			
											| Surgical removal or destruction of diseased tissue in the small intestine | not specified | 5-451.70 |  | 
																			
											| Surgical removal or destruction of diseased tissue in the small intestine | not specified | 5-451.71 |  | 
																			
											| 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 small intestine | not specified | 5-451.b0 |  | 
																			
											| 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.a2 |  | 
																			
											| Surgical removal or destruction of diseased tissue in the large intestine | not specified | 5-452.a3 |  | 
																			
											| Surgical removal or destruction of diseased tissue in the large intestine | not specified | 5-452.a4 |  | 
																			
											| Other operations on the intestine | not specified | 5-469.03 |  | 
																			
											| Other operations on the intestine | not specified | 5-469.j3 |  | 
																			
											| Surgical removal or destruction of diseased tissue in the rectum with access through the anus | not specified | 5-482.51 |  | 
																			
											| Surgical removal or destruction of diseased tissue in the rectum with access through the anus | not specified | 5-482.x1 |  | 
																			
											| Other operations on the rectum | not specified | 5-489.j |  | 
																			
											| Surgical removal or destruction of diseased tissue in the anal region | not specified | 5-492.3 |  | 
																			
											| Operation on the biliary tract during gastroscopy | not specified | 5-513.20 |  | 
																			
											| Operation on the biliary tract during gastroscopy | not specified | 5-513.22 |  | 
																			
											| Operation on the biliary tract during gastroscopy | not specified | 5-513.a |  | 
																			
											| Operation on the biliary tract during gastroscopy | not specified | 5-513.c |  | 
																			
											| Operation on the biliary tract during gastroscopy | not specified | 5-513.f1 |  | 
																			
											| Surgical creation of a connection between the urinary bladder and skin of the abdomen for artificial urinary drainage | not specified | 5-572.1 |  | 
																			
											| Other surgical incision into the skin or subcutaneous tissues | not specified | 5-892.xg |  | 
																			
											| Operation on the nails | not specified | 5-898.5 |  | 
																			
											| Operation on the nails | not specified | 5-898.6 |  | 
																			
											| Simple surgical closure of the skin or the subcutaneous tissues after injuries, e.g. with a suture | not specified | 5-900.04 |  | 
																			
											| Simple surgical closure of the skin or the subcutaneous tissues after injuries, e.g. with a suture | not specified | 5-900.09 |  | 
																			
											| Simple surgical closure of the skin or the subcutaneous tissues after injuries, e.g. with a suture | not specified | 5-900.0f |  | 
																			
											| Administration of medicines in accordance with List 2 of the procedures list | not specified | 6-002.r7 |  | 
																			
											|  | not specified | 8-018.0 |  | 
																			
											|  | not specified | 8-018.1 |  | 
																			
											| Removal of a foreign body by endoscopy | not specified | 8-100.2 |  | 
																			
											| Removal of a foreign body by endoscopy | not specified | 8-100.6 |  | 
																			
											| Removal of a foreign body by endoscopy | not specified | 8-100.8 |  | 
																			
											| Removal of a foreign body by endoscopy | not specified | 8-100.9 |  | 
																			
											| Insertion or exchange of a tube inserted into the small intestine through the oesophagus | not specified | 8-125.1 |  | 
																			
											| Use of a system to collect stools | not specified | 8-128 |  | 
																			
											| 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 the space between the lungs and ribs for the drainage of fluid | not specified | 8-144.1 |  | 
																			
											| Insertion of a small tube (cannula) or catheter into the space between the lungs and ribs for the drainage of fluid | not specified | 8-144.2 |  | 
																			
											| Treatment by the targeted insertion of a needle into the chest with subsequent administration or removal of substances, e.g. fluid | not specified | 8-152.2 |  | 
																			
											| 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 |  | 
																			
											|  | not specified | 8-192.0g |  | 
																			
											|  | not specified | 8-192.1f |  | 
																			
											| Treatment by extreme cooling (hypothermia) to reduce the need for oxygen | not specified | 8-607.0 |  | 
																			
											| Treatment of cardiac arrhythmias with electric shocks - defibrillation | not specified | 8-640.0 |  | 
																			
											| Keeping the respiratory tract open by means of a tube through the mouth or nose | not specified | 8-700.1 |  | 
																			
											| Transfusion of blood, red blood cells or platelets from a donor to a recipient | not specified | 8-800.c3 |  | 
																			
											| Transfusion of blood, red blood cells or platelets from a donor to a recipient | not specified | 8-800.g0 |  | 
																			
											| Transfusion of blood, red blood cells or platelets from a donor to a recipient | not specified | 8-800.g1 |  | 
																			
											| Transfusion of blood, red blood cells or platelets from a donor to a recipient | not specified | 8-800.g2 |  | 
																			
											| Transfusion of blood, red blood cells or platelets from a donor to a recipient | not specified | 8-800.g3 |  | 
																			
											| Transfusion of blood plasma or plasma components or genetically engineered blood proteins | not specified | 8-810.j5 |  | 
																			
											| Transfusion of blood plasma or plasma components or genetically engineered blood proteins | not specified | 8-810.y |  | 
																			
											| 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 | 8-812.56 |  | 
																			
											| Transfusion of other plasma components or genetically engineered blood proteins | not specified | 8-812.5b |  | 
																			
											| Transfusion of other plasma components or genetically engineered blood proteins | not specified | 8-812.60 |  | 
																			
											| Transfusion of other plasma components or genetically engineered blood proteins | not specified | 8-812.61 |  | 
																			
											| Transfusion of other plasma components or genetically engineered blood proteins | not specified | 8-812.70 |  | 
																			
											|  | not specified | 8-831.02 |  | 
																			
											| Insertion or exchange of a tube (catheter) in a large vein | not specified | 8-831.2 |  | 
																			
											| Insertion or exchange of a tube (catheter) in a large vein | not specified | 8-831.5 |  | 
																			
											| Insertion or exchange of a tube (catheter) in a large vein | not specified | 8-831.x |  | 
																			
											| Blood purification outside the body through a combination of haemofiltration and dialysis | not specified | 8-855.80 |  | 
																			
											| Blood purification outside the body through a combination of haemofiltration and dialysis | not specified | 8-855.81 |  | 
																			
											| Blood purification outside the body through a combination of haemofiltration and dialysis | not specified | 8-855.82 |  | 
																			
											| Anaesthesia with administration of an anaesthetic into a vein | not specified | 8-900 |  | 
																			
											| Intensive care monitoring of respiration, the heart and the circulation with measurement of the pressure in pulmonary artery | not specified | 8-932 |  | 
																			
											| Treatment on the intensive care unit (basic procedures) | not specified | 8-980.21 |  | 
																			
											| Treatment on the intensive care unit (basic procedures) | not specified | 8-980.50 |  | 
																			
											| 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 |  | 
																			
											|  | not specified | 8-98g.13 |  | 
																			
											|  | not specified | 8-98g.14 |  | 
																			
											| Treatment procedure to maintain and encourage practical everyday and social skills - psychosocial intervention | not specified | 9-401.25 |  | 
																			
											| Treatment procedure to maintain and encourage practical everyday and social skills - psychosocial intervention | not specified | 9-401.30 |  |