| Service | Number of cases | OPS key | Info | 
																			
											| 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 | 622 | 8-930 |  | 
																			
											|  | 585 | 8-831.00 |  | 
																			
											| Use of a face, nasal, or laryngeal mask for mechanical ventilation | 217 | 8-706 |  | 
																			
											| Insertion of a tube into the trachea for ventilation - intubation | 88 | 8-701 |  | 
																			
											| Comprehensive pain control for acute pain | 83 | 8-919 |  | 
																			
											| Examination of the right side of the heart with a tube (catheter) inserted into the heart via a vein | 61 | 1-273.6 |  | 
																			
											| Other investigations of the heart or blood vessels by means of a tube (catheter) | 61 | 1-279.0 |  | 
																			
											| Insertion of a small tube (cannula) or catheter into the space between the lungs and ribs for the drainage of fluid | 45 | 8-144.1 |  | 
																			
											| Insertion or exchange of a tube (catheter) in a large vein | 42 | 8-831.0 |  | 
																			
											|  | 41 | 8-831.04 |  | 
																			
											| Insertion of a small tube (cannula) or catheter into the space between the lungs and ribs for the drainage of fluid | 31 | 8-144.0 |  | 
																			
											|  | 27 | 8-831.02 |  | 
																			
											| Keeping the respiratory tract open by means of a tube through the mouth or nose | 25 | 8-700.0 |  | 
																			
											| Cardiac or cardiopulmonary resuscitation | 23 | 8-771 |  | 
																			
											| Specific dressing techniques | 20 | 8-190.20 |  | 
																			
											| Treatment by the targeted insertion of a needle into the chest with subsequent administration or removal of substances, e.g. fluid | 19 | 8-152.1 |  | 
																			
											| Insertion of a temporary, artificial tracheal opening | 11 | 5-311.1 |  | 
																			
											| Procedure for dialysing the blood outside the body with removal of the poison over a concentration gradient - dialysis | 11 | 8-854.72 |  | 
																			
											| Surgical removal of diseased intervertebral disc tissue | 9 | 5-831.9 |  | 
																			
											| Keeping the respiratory tract open by means of a tube through the mouth or nose | 9 | 8-700.x |  | 
																			
											|  | 9 | 8-831.01 |  | 
																			
											| Examination of the trachea and the bronchi by endoscopy | 8 | 1-620.00 |  | 
																			
											| Simple surgical closure of the skin or the subcutaneous tissues after injuries, e.g. with a suture | 8 | 5-900.04 |  | 
																			
											| Regional pain control by injecting an anaesthetic into a space in the spinal canal (epidural space) | 7 | 8-910 |  | 
																			
											|  | 5 | 1-717.1 |  | 
																			
											| Insertion of a small tube (cannula) or catheter into the space between the lungs and ribs for the drainage of fluid | 5 | 8-144.2 |  | 
																			
											| Procedure for dialysing the blood outside the body with removal of the poison over a concentration gradient - dialysis | 5 | 8-854.70 |  | 
																			
											| Procedure for dialysing the blood outside the body with removal of the poison over a concentration gradient - dialysis | 5 | 8-854.73 |  | 
																			
											| Examination of the oesophagus, stomach and duodenum by endoscopy | 4 | 1-632.0 |  | 
																			
											| Examination of the urethra and the urinary bladder by endoscopy | 4 | 1-661 |  | 
																			
											| Intestinal lavage | 4 | 8-121 |  | 
																			
											| Specific dressing techniques | 4 | 8-190.21 |  | 
																			
											| Treatment by extreme cooling (hypothermia) to reduce the need for oxygen | 4 | 8-607.0 |  | 
																			
											| Insertion or exchange of a tube (catheter) in a large vein | 4 | 8-831.5 |  | 
																			
											| Procedure for dialysing the blood outside the body with removal of the poison over a concentration gradient - dialysis | 4 | 8-854.71 |  | 
																			
											|  | 4 | 8-98g.11 |  | 
																			
											| 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 lymph nodes, spleen or thymus gland with a needle through the skin | not specified | 1-425.2 |  | 
																			
											| Examination of the trachea and the bronchi by endoscopy | not specified | 1-620.01 |  | 
																			
											|  | not specified | 1-999.40 |  | 
																			
											| Computed tomography (CT) of the spine and the spinal cord without contrast medium | not specified | 3-203 |  | 
																			
											| Surgical opening of the top of the skull | not specified | 5-010.00 |  | 
																			
											| Surgical opening of the top of the skull | not specified | 5-010.12 |  | 
																			
											| Surgical opening of the top of the skull | not specified | 5-010.2 |  | 
																			
											| Surgical access to the thoracic spine | not specified | 5-031.x |  | 
																			
											| Surgical access to the lumbar spine, sacrum or coccyx | not specified | 5-032.00 |  | 
																			
											| Surgical access to the lumbar spine, sacrum or coccyx | not specified | 5-032.10 |  | 
																			
											| Reconstructive operations on the spinal cord or spinal meninges | not specified | 5-036.8 |  | 
																			
											| Surgical insertion of a tube into the stomach through the abdominal wall for artificial feeding | not specified | 5-431.20 |  | 
																			
											| Other operations on the intestine | not specified | 5-469.d3 |  | 
																			
											| Surgical creation of a connection between the urinary bladder and skin of the abdomen for artificial urinary drainage | not specified | 5-572.1 |  | 
																			
											| Other operations on the spine | not specified | 5-839.0 |  | 
																			
											| Surgical incision into the breast | not specified | 5-881.1 |  | 
																			
											| Simple surgical closure of the skin or the subcutaneous tissues after injuries, e.g. with a suture | not specified | 5-900.08 |  | 
																			
											| Simple surgical closure of the skin or the subcutaneous tissues after injuries, e.g. with a suture | not specified | 5-900.0b |  | 
																			
											| Simple surgical closure of the skin or the subcutaneous tissues after injuries, e.g. with a suture | not specified | 5-900.10 |  | 
																			
											| Temporary covering of soft tissue injuries with skin or artificial skin | not specified | 5-916.a0 |  | 
																			
											| Treatment by injecting a medicine into an organ or tissue, or removal of excess fluid (effusion) e.g. from the joints | not specified | 8-020.8 |  | 
																			
											| Injection or administration of medicines into the urinary bladder | not specified | 8-132.1 |  | 
																			
											| Injection or administration of medicines into the urinary bladder | not specified | 8-132.x |  | 
																			
											| 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 |  | 
																			
											| Specific dressing techniques | not specified | 8-190.22 |  | 
																			
											| Specific dressing techniques | not specified | 8-190.23 |  | 
																			
											| Specific dressing techniques | not specified | 8-190.30 |  | 
																			
											| Specific dressing techniques | not specified | 8-190.32 |  | 
																			
											| Specific dressing techniques | not specified | 8-190.40 |  | 
																			
											| Specific dressing techniques | not specified | 8-190.41 |  | 
																			
											|  | not specified | 8-192.0b |  | 
																			
											|  | not specified | 8-192.0g |  | 
																			
											| Non-surgical reduction of a dislocated joint without surgical fixation of the bone using devices such as screws or plates | not specified | 8-201.4 |  | 
																			
											| Non-surgical reduction of a dislocated joint without surgical fixation of the bone using devices such as screws or plates | not specified | 8-201.g |  | 
																			
											| Treatment by specific positioning of the patient in bed, e.g. positioning in a sling table or special bed | not specified | 8-390.0 |  | 
																			
											| Instillation into a body cavity and locally restricted treatment with chemotherapy drugs or agents that influence the immune system | not specified | 8-541.4 |  | 
																			
											| Treatment of cardiac arrhythmias with electric shocks - defibrillation | not specified | 8-640.0 |  | 
																			
											| Treatment of cardiac arrhythmias with electric shocks - defibrillation | not specified | 8-640.1 |  | 
																			
											| Keeping the respiratory tract open by means of a tube through the mouth or nose | not specified | 8-700.1 |  | 
																			
											|  | not specified | 8-713.0 |  | 
																			
											| Transfusion of blood, red blood cells or platelets from a donor to a recipient | not specified | 8-800.c0 |  | 
																			
											| 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 | 8-812.61 |  | 
																			
											| Transfusion of other plasma components or genetically engineered blood proteins | not specified | 8-812.62 |  | 
																			
											|  | not specified | 8-831.20 |  | 
																			
											| Procedure to detoxify the blood outside the body with forced removal of the poison - haemofiltration | not specified | 8-853.80 |  | 
																			
											| Procedure for dialysing the blood outside the body with removal of the poison over a concentration gradient - dialysis | not specified | 8-854.74 |  | 
																			
											| Blood purification outside the body through a combination of haemofiltration and dialysis | not specified | 8-855.81 |  | 
																			
											| Anaesthesia with administration of an anaesthetic via the respiratory tract | not specified | 8-901 |  | 
																			
											| Pain control by injecting an anaesthetic into a joint of the spine | not specified | 8-917.13 |  | 
																			
											| Intensive care monitoring of respiration, the heart and the circulation with measurement of the pressure in the superior vena cava (central venous pressure) | not specified | 8-931.0 |  | 
																			
											| Intensive care monitoring of respiration, the heart and the circulation with measurement of the pressure in the superior vena cava (central venous pressure) | not specified | 8-931.1 |  | 
																			
											|  | not specified | 8-98f.0 |  | 
																			
											|  | not specified | 8-98f.10 |  | 
																			
											|  | not specified | 8-98f.11 |  | 
																			
											|  | not specified | 8-98f.20 |  | 
																			
											|  | not specified | 8-98f.21 |  | 
																			
											|  | not specified | 8-98f.61 |  | 
																			
											|  | not specified | 8-98g.10 |  | 
																			
											|  | not specified | 8-98g.13 |  | 
																			
											|  | not specified | 9-984.6 |  | 
																			
											|  | not specified | 9-984.7 |  |