| Service | Number of cases | OPS key | Info | 
																			
											| Investigation of urinary flow and bladder emptying | 249 | 1-334.2 |  | 
																			
											| Evaluation of swallowing with the help of a tube-shaped instrument with a camera mounted at the end (endoscope) | 232 | 1-613 |  | 
																			
											| Anaesthesia with administration of an anaesthetic into a vein | 134 | 8-900 |  | 
																			
											| Measurement of the brain waves - EEG | 131 | 1-207.0 |  | 
																			
											| X-rays of the urethra with contrast medium | 131 | 3-13g |  | 
																			
											| Computed tomography (CT) of the head without contrast medium | 124 | 3-200 |  | 
																			
											| Administration of medicines in accordance with List 3 of the procedures list | 93 | 6-003.8 |  | 
																			
											| Examination of the urethra and the urinary bladder by endoscopy | 88 | 1-661 |  | 
																			
											| Injection or administration of medicines into the urinary bladder | 87 | 8-132.3 |  | 
																			
											| Other operations on the urinary bladder | 76 | 5-579.62 |  | 
																			
											| Investigation of urinary flow and bladder emptying | 73 | 1-334.1 |  | 
																			
											| Examination of the trachea and the bronchi by endoscopy | 59 | 1-620.00 |  | 
																			
											| Investigation of urinary flow and bladder emptying | 57 | 1-334.x |  | 
																			
											| Exchange or removal of a urinary catheter through the abdominal wall | 54 | 8-133.0 |  | 
																			
											| Surgical creation of a connection between the urinary bladder and skin of the abdomen for artificial urinary drainage | 51 | 5-572.1 |  | 
																			
											| Surgical insertion of a tube into the stomach through the abdominal wall for artificial feeding | 44 | 5-431.20 |  | 
																			
											| Procedure for dialysing the blood outside the body with removal of the poison over a concentration gradient - dialysis | 42 | 8-854.2 |  | 
																			
											| Examination of the oesophagus, stomach and duodenum by endoscopy | 22 | 1-632.0 |  | 
																			
											| Patient education | 20 | 9-500.0 |  | 
																			
											| Extensive surgical removal of diseased tissue from the skin or subcutaneous tissues | 19 | 5-895.2d |  | 
																			
											| Treatment by injecting a medicine into an organ or tissue, or removal of excess fluid (effusion) e.g. from the joints | 18 | 8-020.x |  | 
																			
											|  | 16 | 8-831.00 |  | 
																			
											| Interdisciplinary management for colonisation or infection with multiresistant germs (pathogens) | 16 | 8-987.13 |  | 
																			
											| Injection or administration of medicines into the urinary bladder | 14 | 8-132.1 |  | 
																			
											| Temporary covering of soft tissue injuries with skin or artificial skin | 12 | 5-916.a0 |  | 
																			
											| Use of a system to collect stools | 12 | 8-128 |  | 
																			
											|  | 12 | 8-98g.11 |  | 
																			
											| Transfusion of blood, red blood cells or platelets from a donor to a recipient | 11 | 8-800.c0 |  | 
																			
											| Interdisciplinary management of paraplegia | 11 | 8-976.00 |  | 
																			
											| Skin grafting from the area around the wound | 10 | 5-903.7d |  | 
																			
											| Examination of the cerebrospinal fluid spaces | 9 | 1-204.2 |  | 
																			
											| Measurement of brain waves triggered by targeted stimuli (evoked potentials) | 9 | 1-208.3 |  | 
																			
											| 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 | 9 | 8-930 |  | 
																			
											| Injection or administration of medicines into the urinary bladder | 8 | 8-132.0 |  | 
																			
											| Ultrasound of the heart (echocardiography) through the oesophagus - TEE | 7 | 3-052 |  | 
																			
											| Computed tomography (CT) of the abdomen without contrast medium | 7 | 3-207 |  | 
																			
											| Computed tomography of the chest with contrast medium | 7 | 3-222 |  | 
																			
											| Exchange or removal of a feeding tube inserted into the stomach through the skin | 7 | 8-123.1 |  | 
																			
											| Computed tomography of the abdomen with contrast medium | 6 | 3-225 |  | 
																			
											| Early postoperative treatment and early rehabilitation of patients with diseases of the nervous system or who have had neurosurgery | 6 | 8-552.8 |  | 
																			
											| Measurement of the electrical activity of the muscles - EMG | 5 | 1-205 |  | 
																			
											| Examination of nerve conduction - ENG | 5 | 1-206 |  | 
																			
											| Examination of the large intestine by endoscopy - colonoscopy | 5 | 1-650.1 |  | 
																			
											|  | 5 | 8-98g.12 |  | 
																			
											| Computed tomography (CT) of the chest without contrast medium | 4 | 3-202 |  | 
																			
											| Computed tomography (CT) of the spine and the spinal cord without contrast medium | 4 | 3-203 |  | 
																			
											| Reconstructive operations on the trachea | 4 | 5-316.2 |  | 
																			
											| Other operations on blood vessels | 4 | 5-399.7 |  | 
																			
											| Surgical removal of diseased bone tissue | 4 | 5-782.1d |  | 
																			
											| Surgical removal of diseased bone tissue | 4 | 5-782.2d |  | 
																			
											|  | 4 | 8-017.2 |  | 
																			
											| Treatment by the targeted insertion of a needle into the chest with subsequent administration or removal of substances, e.g. fluid | 4 | 8-152.1 |  | 
																			
											| Early postoperative treatment and early rehabilitation of patients with diseases of the nervous system or who have had neurosurgery | 4 | 8-552.7 |  | 
																			
											| Examination of the cerebrospinal fluid spaces | not specified | 1-204.1 |  | 
																			
											| Examination of the cerebrospinal fluid spaces | not specified | 1-204.7 |  | 
																			
											| Measurement of the brain waves - EEG | not specified | 1-207.1 |  | 
																			
											| Measurement of brain waves triggered by targeted stimuli (evoked potentials) | not specified | 1-208.2 |  | 
																			
											| 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 |  | 
																			
											| Examination of the trachea and the bronchi by endoscopy | not specified | 1-620.x |  | 
																			
											| 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.x |  | 
																			
											| Examination of the upper digestive tract by endoscopy through an artificial bowel opening (ostomy) | not specified | 1-638.1 |  | 
																			
											| Examination of the trachea or bronchi by endoscopy, through a surgical incision, or during an operation | not specified | 1-690.1 |  | 
																			
											| Computed tomography (CT) of the neck without contrast medium | not specified | 3-201 |  | 
																			
											| Computed tomography (CT) of the musculoskeletal system without contrast medium | not specified | 3-205 |  | 
																			
											| Computed tomography (CT) of the musculoskeletal system with contrast medium | not specified | 3-227 |  | 
																			
											| 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 |  | 
																			
											| Magnetic resonance imaging (MRI) of the head with contrast medium | not specified | 3-820 |  | 
																			
											| Magnetic resonance imaging (MRI) of the abdominal cavity with contrast medium | not specified | 3-825 |  | 
																			
											| Quantitative analysis of specific values such as organ function or blood flow rate | not specified | 3-993 |  | 
																			
											| Operation on the corner of the eye or eyelid crease | not specified | 5-092.00 |  | 
																			
											| Other operations on the outer ear | not specified | 5-189.0 |  | 
																			
											| Reconstructive operations on the trachea | not specified | 5-316.3 |  | 
																			
											| Other operations on blood vessels | not specified | 5-399.5 |  | 
																			
											| Surgical incision into the intestine | not specified | 5-450.3 |  | 
																			
											| Other operations on the urinary bladder | not specified | 5-579.42 |  | 
																			
											| Surgical incision into diseased tissue in the urethra, with access through the urethra | not specified | 5-585.0 |  | 
																			
											| Surgical incision into diseased tissue in the urethra, with access through the urethra | not specified | 5-585.1 |  | 
																			
											| Surgical removal of diseased bone tissue | not specified | 5-782.1t |  | 
																			
											| Surgical removal of diseased tissue from the skin or subcutaneous tissues | not specified | 5-894.14 |  | 
																			
											| Surgical removal of diseased tissue from the skin or subcutaneous tissues | not specified | 5-894.1d |  | 
																			
											| Extensive surgical removal of diseased tissue from the skin or subcutaneous tissues | not specified | 5-895.0d |  | 
																			
											| Extensive surgical removal of diseased tissue from the skin or subcutaneous tissues | not specified | 5-895.0f |  | 
																			
											| Extensive surgical removal of diseased tissue from the skin or subcutaneous tissues | not specified | 5-895.0g |  | 
																			
											|  | not specified | 5-896.1f |  | 
																			
											| Skin grafting [site of removal and nature of the piece of skin removed] | not specified | 5-901.0e |  | 
																			
											| Free skin flap grafting [site of removal and nature of the graft] | not specified | 5-902.0g |  | 
																			
											| Free skin flap grafting [site of removal and nature of the graft] | not specified | 5-902.4f |  | 
																			
											| Skin grafting from the area around the wound | not specified | 5-903.6f |  | 
																			
											| Re-operation of a skin graft | not specified | 5-907.2d |  | 
																			
											| Re-operation of a skin graft | not specified | 5-907.2f |  | 
																			
											| Premature termination of an operation (operation not carried out completely) | not specified | 5-995 |  | 
																			
											| Administration of medicines in accordance with List 1 of the procedures list | not specified | 6-001.h8 |  | 
																			
											| Administration of medicines in accordance with List 2 of the procedures list | not specified | 6-002.q3 |  | 
																			
											|  | not specified | 8-017.0 |  | 
																			
											|  | not specified | 8-017.1 |  | 
																			
											| Exchange or removal of a feeding tube inserted into the stomach through the skin | not specified | 8-123.x |  | 
																			
											| Insertion or exchange of a tube inserted into the small intestine through the oesophagus | not specified | 8-125.2 |  | 
																			
											| Exchange or removal of a urinary catheter through the abdominal wall | not specified | 8-133.1 |  | 
																			
											| Insertion of a small tube (cannula) or catheter into the space between the lungs and ribs for the drainage of fluid | not specified | 8-144.1 |  | 
																			
											| Other treatment by the targeted insertion of a needle with subsequent administration or removal of substances, e.g. fluid | not specified | 8-159.x |  | 
																			
											| Specific dressing techniques | not specified | 8-190.20 |  | 
																			
											| Specific dressing techniques | not specified | 8-190.21 |  | 
																			
											| Specific dressing techniques | not specified | 8-190.22 |  | 
																			
											| Specific dressing techniques | not specified | 8-190.23 |  | 
																			
											| Others therapeutic procedures to influence the immune system | not specified | 8-547.31 |  | 
																			
											| Early postoperative treatment and early rehabilitation of patients with diseases of the nervous system or who have had neurosurgery | not specified | 8-552.0 |  | 
																			
											| Early postoperative treatment and early rehabilitation of patients with diseases of the nervous system or who have had neurosurgery | not specified | 8-552.6 |  | 
																			
											| Early postoperative treatment and early rehabilitation of patients with diseases of the nervous system or who have had neurosurgery | not specified | 8-552.9 |  | 
																			
											| Interdisciplinary or other type of early postoperative treatment and rehabilitation (early rehabilitation) | not specified | 8-559.70 |  | 
																			
											| Effects of the nervous system by means of electrical impulses | not specified | 8-631.x |  | 
																			
											| Insertion of a tube into the trachea for ventilation - intubation | not specified | 8-701 |  | 
																			
											|  | not specified | 8-713.0 |  | 
																			
											| Installation and adjustment of a mechanical ventilator for home use | not specified | 8-716.10 |  | 
																			
											|  | not specified | 8-718.70 |  | 
																			
											|  | not specified | 8-718.71 |  | 
																			
											|  | not specified | 8-718.72 |  | 
																			
											|  | 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 |  | 
																			
											| Treatment by the exchange of the patient-s own blood for a substitute solution | not specified | 8-820.00 |  | 
																			
											|  | not specified | 8-831.04 |  | 
																			
											| Insertion or exchange of a tube (catheter) in a large vein | not specified | 8-831.5 |  | 
																			
											| Blood purification outside the body through a combination of haemofiltration and dialysis | not specified | 8-855.3 |  | 
																			
											| Interdisciplinary management of paraplegia | not specified | 8-976.10 |  | 
																			
											| Interdisciplinary management of paraplegia | not specified | 8-976.13 |  | 
																			
											| Interdisciplinary management of paraplegia | not specified | 8-976.2 |  | 
																			
											| Treatment on the intensive care unit (basic procedures) | not specified | 8-980.10 |  | 
																			
											| Treatment on the intensive care unit (basic procedures) | not specified | 8-980.11 |  | 
																			
											| Treatment on the intensive care unit (basic procedures) | not specified | 8-980.20 |  | 
																			
											| Treatment on the intensive care unit (basic procedures) | not specified | 8-980.30 |  | 
																			
											| Treatment on the intensive care unit (basic procedures) | not specified | 8-980.40 |  | 
																			
											| 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 |  | 
																			
											| Interdisciplinary management for colonisation or infection with multiresistant germs (pathogens) | not specified | 8-987.12 |  | 
																			
											|  | not specified | 8-98g.10 |  | 
																			
											|  | not specified | 8-98g.13 |  |