| Service | Number of cases | OPS key | Info | 
																			
											| Treatment on the intensive care unit (basic procedures) | 43 | 8-980.0 |  | 
																			
											| 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 | 41 | 8-930 |  | 
																			
											| Computed tomography of the chest with contrast medium | 33 | 3-222 |  | 
																			
											| Insertion of a tube into the trachea for ventilation - intubation | 31 | 8-701 |  | 
																			
											| Computed tomography (CT) of the head without contrast medium | 30 | 3-200 |  | 
																			
											| Use of a face, nasal, or laryngeal mask for mechanical ventilation | 27 | 8-706 |  | 
																			
											| Computed tomography of the abdomen with contrast medium | 23 | 3-225 |  | 
																			
											|  | 21 | 9-984.8 |  | 
																			
											| Transfusion of blood, red blood cells or platelets from a donor to a recipient | 19 | 8-800.c0 |  | 
																			
											| Treatment on the intensive care unit (basic procedures) | 19 | 8-980.10 |  | 
																			
											| Examination of the oesophagus, stomach and duodenum by endoscopy | 16 | 1-632.0 |  | 
																			
											| Computed tomography (CT) of the chest without contrast medium | 13 | 3-202 |  | 
																			
											|  | 13 | 8-831.00 |  | 
																			
											|  | 13 | 9-984.9 |  | 
																			
											| Computed tomography (CT) of the blood vessels other than the main arteries and veins near the heart with contrast medium | 12 | 3-228 |  | 
																			
											| Revision operations | 12 | 5-983 |  | 
																			
											|  | 12 | 9-984.7 |  | 
																			
											| Insertion of a small tube (cannula) or catheter into the space between the lungs and ribs for the drainage of fluid | 11 | 8-144.2 |  | 
																			
											| Cardiac or cardiopulmonary resuscitation | 11 | 8-771 |  | 
																			
											| Computed tomography of the head with contrast medium | 10 | 3-220 |  | 
																			
											| Treatment on the intensive care unit (basic procedures) | 10 | 8-980.11 |  | 
																			
											| Examination of the trachea and the bronchi by endoscopy | 7 | 1-620.00 |  | 
																			
											| Ultrasound of the heart (echocardiography) through the oesophagus - TEE | 7 | 3-052 |  | 
																			
											| Computed tomography (CT) of the abdomen without contrast medium | 7 | 3-207 |  | 
																			
											| Temporary covering of soft tissue injuries with skin or artificial skin | 7 | 5-916.a0 |  | 
																			
											| Procedure for dialysing the blood outside the body with removal of the poison over a concentration gradient - dialysis | 7 | 8-854.72 |  | 
																			
											|  | 6 | 5-896.1b |  | 
																			
											|  | 6 | 5-98c.0 |  | 
																			
											|  | 6 | 8-718.83 |  | 
																			
											| Procedure for dialysing the blood outside the body with removal of the poison over a concentration gradient - dialysis | 6 | 8-854.71 |  | 
																			
											| Insertion of a small tube (cannula) or catheter into the space between the lungs and ribs for the drainage of fluid | 5 | 8-144.0 |  | 
																			
											| Treatment on the intensive care unit (basic procedures) | 5 | 8-980.20 |  | 
																			
											|  | 5 | 9-984.a |  | 
																			
											| Examination of the large intestine by endoscopy - colonoscopy | 4 | 1-650.2 |  | 
																			
											| Computed tomography (CT) of the spine and the spinal cord without contrast medium | 4 | 3-203 |  | 
																			
											| Computed tomography (CT) of the pelvis without contrast medium | 4 | 3-206 |  | 
																			
											| Other operations on the stomach | 4 | 5-449.d3 |  | 
																			
											|  | 4 | 8-718.82 |  | 
																			
											|  | 4 | 8-831.04 |  | 
																			
											| Procedure for dialysing the blood outside the body with removal of the poison over a concentration gradient - dialysis | 4 | 8-854.73 |  | 
																			
											| Examination of the cerebrospinal fluid spaces | not specified | 1-204.2 |  | 
																			
											| Taking a tissue sample (biopsy) of the bone marrow without surgical incision | not specified | 1-424 |  | 
																			
											| Taking a tissue sample (biopsy) of the upper digestive tract, biliary tract or the pancreas by endoscopy | not specified | 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 | 1-444.7 |  | 
																			
											| Taking a tissue sample (biopsy) of any other digestive tract organ, the peritoneum, or the tissue lying behind the peritoneum (retroperitoneum) through a surgical incision | not specified | 1-559.5 |  | 
																			
											| Examination of the trachea and the bronchi by endoscopy | not specified | 1-620.01 |  | 
																			
											|  | not specified | 1-717.0 |  | 
																			
											| 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 |  | 
																			
											| Computed tomography (CT) of the musculoskeletal system without contrast medium | not specified | 3-205 |  | 
																			
											| Computed tomography of the neck with contrast medium | not specified | 3-221 |  | 
																			
											| Computed tomography of the pelvis with contrast medium | not specified | 3-226 |  | 
																			
											| Computed tomography (CT) of the musculoskeletal system with contrast medium | not specified | 3-227 |  | 
																			
											| Other computed tomography (CT) with contrast medium | not specified | 3-22x |  | 
																			
											| Magnetic resonance imaging (MRI) of the head without contrast medium | not specified | 3-800 |  | 
																			
											| Magnetic resonance imaging (MRI) of the spine and spinal cord without contrast medium | not specified | 3-802 |  | 
																			
											| Surgical access to the lumbar spine, sacrum or coccyx | not specified | 5-032.01 |  | 
																			
											| Surgical access to the lumbar spine, sacrum or coccyx | not specified | 5-032.02 |  | 
																			
											| Surgical access to the lumbar spine, sacrum or coccyx | not specified | 5-032.11 |  | 
																			
											| Surgical access to the lumbar spine, sacrum or coccyx | not specified | 5-032.21 |  | 
																			
											| Insertion of a temporary, artificial tracheal opening | not specified | 5-311.0 |  | 
																			
											| Insertion of a temporary, artificial tracheal opening | not specified | 5-311.1 |  | 
																			
											| Insertion of a temporary, artificial tracheal opening | not specified | 5-311.x |  | 
																			
											| Reconstructive operations on the trachea | not specified | 5-316.2 |  | 
																			
											| Complete, surgical removal of all lymph nodes as a standalone operation | not specified | 5-404.01 |  | 
																			
											| Surgical insertion of a tube into the stomach through the abdominal wall for artificial feeding | not specified | 5-431.20 |  | 
																			
											| Surgical removal or destruction of diseased tissue in the stomach | not specified | 5-433.23 |  | 
																			
											| Surgical removal or destruction of diseased tissue in the stomach | not specified | 5-433.60 |  | 
																			
											| Other reconstructive operations on the stomach | not specified | 5-448.22 |  | 
																			
											| Other reconstructive operations on the stomach | not specified | 5-448.42 |  | 
																			
											| Other operations on the stomach | not specified | 5-449.50 |  | 
																			
											| Other operations on the stomach | not specified | 5-449.e3 |  | 
																			
											| Surgical incision into the intestine | not specified | 5-450.3 |  | 
																			
											| Surgical removal or destruction of diseased tissue in the large intestine | not specified | 5-452.61 |  | 
																			
											| Surgical removal of the small intestine | not specified | 5-454.60 |  | 
																			
											| Surgical removal of parts of the large intestine | not specified | 5-455.02 |  | 
																			
											| Surgical removal of parts of the large intestine | not specified | 5-455.41 |  | 
																			
											| Surgical removal of parts of the large intestine | not specified | 5-455.42 |  | 
																			
											| Surgical removal of parts of the large intestine | not specified | 5-455.72 |  | 
																			
											| Creation of an artificial bowel opening (ostomy), as a protective measure during another operation | not specified | 5-462.1 |  | 
																			
											| Creation of an artificial bowel opening (ostomy), as a protective measure during another operation | not specified | 5-462.5 |  | 
																			
											| Restoration of the natural connection for an artificial (terminal) bowel opening | not specified | 5-466.1 |  | 
																			
											| Other operations on the intestine | not specified | 5-469.00 |  | 
																			
											| Other operations on the intestine | not specified | 5-469.03 |  | 
																			
											| Surgical repair of a umbilical hernia | not specified | 5-534.35 |  | 
																			
											| Surgical opening of the abdominal cavity or tissue lying behind (retroperitoneum) | not specified | 5-541.1 |  | 
																			
											| Surgical removal or destruction of tissue in the abdominal cavity | not specified | 5-543.1 |  | 
																			
											| Other abdominal operations | not specified | 5-549.80 |  | 
																			
											| Surgical reduction of a simple fracture in the shaft of a long bone | not specified | 5-791.1g |  | 
																			
											| Surgical reduction of a simple fracture in the shaft of a long bone | not specified | 5-791.kg |  | 
																			
											| Surgical incision into diseased bone or joint tissue in the spine | not specified | 5-830.7 |  | 
																			
											| Surgical removal of diseased bone or joint tissue in the spine | not specified | 5-832.4 |  | 
																			
											| Other operations on the spine | not specified | 5-839.61 |  | 
																			
											| Reconstructive operations on the connective tissue sheaths of muscles | not specified | 5-856.06 |  | 
																			
											| Other surgical incision into the skin or subcutaneous tissues | not specified | 5-892.06 |  | 
																			
											| Other surgical incision into the skin or subcutaneous tissues | not specified | 5-892.0b |  | 
																			
											| 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 | 5-900.1b |  | 
																			
											| Temporary covering of soft tissue injuries with skin or artificial skin | not specified | 5-916.a3 |  | 
																			
											| Type of material used for tissue replacement and tissue reinforcement | not specified | 5-932.13 |  | 
																			
											| Operation using aids for optical magnification, e.g. magnifying spectacles, operating microscope | not specified | 5-984 |  | 
																			
											| Administration of medicines in accordance with List 2 of the procedures list | not specified | 6-002.14 |  | 
																			
											| Administration of medicines in accordance with List 2 of the procedures list | not specified | 6-002.ra |  | 
																			
											| Insertion or exchange of a tube inserted into the small intestine through the oesophagus | not specified | 8-125.1 |  | 
																			
											| Insertion of a small tube (cannula) or catheter into another organ or tissue for the drainage of fluid | not specified | 8-148.0 |  | 
																			
											| Treatment by the targeted insertion of a needle into the chest with subsequent administration or removal of substances, e.g. fluid | not specified | 8-152.1 |  | 
																			
											| Specific dressing techniques | not specified | 8-190.20 |  | 
																			
											| Specific dressing techniques | not specified | 8-190.23 |  | 
																			
											| Interdisciplinary measures for early postoperative treatment and early rehabilitation of ill elderly people | not specified | 8-550.0 |  | 
																			
											| Treatment of cardiac arrhythmias with electric shocks - defibrillation | not specified | 8-640.0 |  | 
																			
											| Temporary stimulation of the heart rhythm by an external cardiac pacemaker | not specified | 8-641 |  | 
																			
											|  | not specified | 8-718.81 |  | 
																			
											|  | not specified | 8-718.84 |  | 
																			
											| Transfusion of blood, red blood cells or platelets from a donor to a recipient | not specified | 8-800.c1 |  | 
																			
											| Transfusion of blood, red blood cells or platelets from a donor to a recipient | not specified | 8-800.c2 |  | 
																			
											| 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.g1 |  | 
																			
											| Transfusion of blood plasma or plasma components or genetically engineered blood proteins | not specified | 8-810.x |  | 
																			
											| 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 | 8-812.60 |  | 
																			
											|  | not specified | 8-831.24 |  | 
																			
											| Procedure for dialysing the blood outside the body with removal of the poison over a concentration gradient - dialysis | not specified | 8-854.62 |  | 
																			
											| Procedure for dialysing the blood outside the body with removal of the poison over a concentration gradient - dialysis | not specified | 8-854.70 |  | 
																			
											| Procedure for dialysing the blood outside the body with removal of the poison over a concentration gradient - dialysis | not specified | 8-854.74 |  | 
																			
											| Regional pain control by injecting an anaesthetic into a space in the spinal canal (epidural space) | not specified | 8-910 |  | 
																			
											| Treatment on the intensive care unit (basic procedures) | not specified | 8-980.21 |  | 
																			
											| Treatment on the intensive care unit (basic procedures) | not specified | 8-980.30 |  | 
																			
											| Treatment on the intensive care unit (basic procedures) | not specified | 8-980.31 |  | 
																			
											| Treatment on the intensive care unit (basic procedures) | not specified | 8-980.40 |  | 
																			
											| Treatment on the intensive care unit (basic procedures) | not specified | 8-980.50 |  | 
																			
											| Treatment on the intensive care unit (basic procedures) | not specified | 8-980.51 |  | 
																			
											| Treatment on the intensive care unit (basic procedures) | not specified | 8-980.61 |  | 
																			
											| 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.10 |  | 
																			
											|  | not specified | 8-98g.11 |  | 
																			
											|  | not specified | 8-98g.12 |  | 
																			
											|  | not specified | 9-984.6 |  |