| Service | Number of cases | OPS key | Info | 
																			
											| Computed tomography (CT) of the head without contrast medium | 1.435 | 3-200 |  | 
																			
											| Magnetic resonance imaging (MRI) of the head without contrast medium | 786 | 3-800 |  | 
																			
											| Computed tomography of the head with contrast medium | 727 | 3-220 |  | 
																			
											| Measurement of the brain waves - EEG | 611 | 1-207.0 |  | 
																			
											| Complex differential diagnostic sonography of the vascular system with quantitative evaluation | 503 | 3-035 |  | 
																			
											| Magnetic resonance imaging (MRI) of the head with contrast medium | 241 | 3-820 |  | 
																			
											|  | 223 | 9-984.b |  | 
																			
											| Examination of the cerebrospinal fluid spaces | 210 | 1-204.2 |  | 
																			
											| Ultrasound of the heart (echocardiography) through the oesophagus - TEE | 195 | 3-052 |  | 
																			
											| Other examination of the function of the nervous system | 168 | 1-20a.30 |  | 
																			
											| Examination of nerve conduction - ENG | 145 | 1-206 |  | 
																			
											|  | 143 | 9-984.7 |  | 
																			
											|  | 143 | 9-984.8 |  | 
																			
											| Measurement of brain waves triggered by targeted stimuli (evoked potentials) | 137 | 1-208.2 |  | 
																			
											|  | 116 | 8-98b.21 |  | 
																			
											| Quantitative analysis of specific values such as organ function or blood flow rate | 113 | 3-993 |  | 
																			
											| Treatment by injecting a medicine into an organ or tissue, or removal of excess fluid (effusion) e.g. from the joints | 112 | 8-020.8 |  | 
																			
											|  | 105 | 8-98b.20 |  | 
																			
											| 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 | 93 | 8-930 |  | 
																			
											|  | 75 | 8-981.20 |  | 
																			
											|  | 74 | 9-984.9 |  | 
																			
											| Magnetic resonance imaging (MRI) of the spine and spinal cord without contrast medium | 68 | 3-802 |  | 
																			
											| Function-orientated physical exercises and uses | 56 | 8-561.1 |  | 
																			
											|  | 56 | 8-98b.22 |  | 
																			
											| Measurement of brain waves triggered by targeted stimuli (evoked potentials) | 55 | 1-208.6 |  | 
																			
											| Computed tomography of the chest with contrast medium | 53 | 3-222 |  | 
																			
											| Computed tomography (CT) of the spine and the spinal cord without contrast medium | 49 | 3-203 |  | 
																			
											|  | 48 | 8-981.22 |  | 
																			
											|  | 47 | 9-984.6 |  | 
																			
											|  | 46 | 8-981.21 |  | 
																			
											| Computed tomography of the neck with contrast medium | 42 | 3-221 |  | 
																			
											| Computed tomography of the abdomen with contrast medium | 42 | 3-225 |  | 
																			
											| Magnetic resonance imaging (MRI) of the spine and spinal cord with contrast medium | 41 | 3-823 |  | 
																			
											| Measurement of the electrical activity of the muscles - EMG | 34 | 1-205 |  | 
																			
											| Measurement of the brain waves - EEG | 31 | 1-207.1 |  | 
																			
											| Evaluation of swallowing with the help of a tube-shaped instrument with a camera mounted at the end (endoscope) | 28 | 1-613 |  | 
																			
											|  | 28 | 8-98g.10 |  | 
																			
											| X-rays of the arteries in the head with contrast medium | 27 | 3-600 |  | 
																			
											| Interdisciplinary measures for early postoperative treatment and early rehabilitation of ill elderly people | 25 | 8-550.1 |  | 
																			
											| Treatment of physically or functionally induced disorders of speech, language, the voice or swallowing | 25 | 9-320 |  | 
																			
											| Additional information on materials used | 21 | 8-83b.c6 |  | 
																			
											| X-rays of the arteries of the neck with contrast medium | 20 | 3-601 |  | 
																			
											| Treatment of a vessel with access via a tube (catheter) | 20 | 8-836.80 |  | 
																			
											|  | 20 | 8-98g.11 |  | 
																			
											| Treatment on the intensive care unit (basic procedures) | 17 | 8-980.0 |  | 
																			
											|  | 17 | 9-984.a |  | 
																			
											| Surgical removal of a blood clot including the adjacent inner wall of an artery | 14 | 5-381.02 |  | 
																			
											|  | 14 | 8-98b.23 |  | 
																			
											| X-rays of small arteries with contrast medium | 13 | 3-608 |  | 
																			
											| Insertion of a tube into the trachea for ventilation - intubation | 13 | 8-701 |  | 
																			
											|  | 13 | 8-83b.87 |  | 
																			
											|  | 12 | 8-83b.s |  | 
																			
											| Additional information on materials used | 11 | 8-83b.84 |  | 
																			
											| Computed tomography (CT) of the neck without contrast medium | 10 | 3-201 |  | 
																			
											| Computed tomography (CT) of the chest without contrast medium | 10 | 3-202 |  | 
																			
											| Transfusion of blood, red blood cells or platelets from a donor to a recipient | 10 | 8-800.c0 |  | 
																			
											|  | 10 | 8-831.00 |  | 
																			
											|  | 10 | 8-981.23 |  | 
																			
											| X-rays of the arteries in the pelvis with contrast medium | 9 | 3-605 |  | 
																			
											| Anaesthesia with administration of an anaesthetic into a vein | 9 | 8-900 |  | 
																			
											|  | 9 | 8-98g.12 |  | 
																			
											| Treatment by the targeted insertion of a needle into the brain, spinal cord or the eye with subsequent administration or removal of substances, e.g. fluid | 8 | 8-151.4 |  | 
																			
											| Examination of the oesophagus, stomach and duodenum by endoscopy | 7 | 1-632.0 |  | 
																			
											| Computed tomography (CT) of the pelvis without contrast medium | 7 | 3-206 |  | 
																			
											| X-rays of the arteries in the abdomen with contrast medium | 7 | 3-604 |  | 
																			
											| Examination of the trachea and the bronchi by endoscopy | 6 | 1-620.01 |  | 
																			
											| Computed tomography (CT) of the abdomen without contrast medium | 6 | 3-207 |  | 
																			
											| Surgical closure of a hole in the blood vessel wall with a skin or synthetic flap | 6 | 5-395.02 |  | 
																			
											| Nature of the graft material | 6 | 5-930.3 |  | 
																			
											| Radiotherapy with high-energy beams for cancer - high voltage radiotherapy | 6 | 8-522.91 |  | 
																			
											| Transfusion of other plasma components or genetically engineered blood proteins | 6 | 8-812.53 |  | 
																			
											| Examination of the cerebrospinal fluid spaces | 5 | 1-204.1 |  | 
																			
											| Measurement of the electrical activity of the heart without a tube (catheter) inserted into the heart via an artery | 5 | 1-266.0 |  | 
																			
											| Examination of the trachea and the bronchi by endoscopy | 5 | 1-620.00 |  | 
																			
											| Computed tomography (CT) of the musculoskeletal system without contrast medium | 5 | 3-205 |  | 
																			
											| Magnetic resonance imaging (MRI) of the musculoskeletal system without contrast medium | 5 | 3-806 |  | 
																			
											| Magnetic resonance imaging (MRI) of the abdominal cavity with contrast medium | 5 | 3-825 |  | 
																			
											| Treatment by the targeted insertion of a needle into the chest with subsequent administration or removal of substances, e.g. fluid | 5 | 8-152.1 |  | 
																			
											|  | 5 | 8-52e |  | 
																			
											|  | 5 | 8-713.0 |  | 
																			
											| Measurement of brain waves triggered by targeted stimuli (evoked potentials) | 4 | 1-208.0 |  | 
																			
											| Taking a tissue sample (biopsy) of the respiratory tract through the skin, guided by imaging procedures such as ultrasound | 4 | 1-432.1 |  | 
																			
											| Surgical removal of a blood clot including the adjacent inner wall of an artery | 4 | 5-381.01 |  | 
																			
											| Surgical creation of a connection between the urinary bladder and skin of the abdomen for artificial urinary drainage | 4 | 5-572.1 |  | 
																			
											| Simple surgical closure of the skin or the subcutaneous tissues after injuries, e.g. with a suture | 4 | 5-900.04 |  | 
																			
											|  | 4 | 8-018.0 |  | 
																			
											| Treatment by specific positioning of the patient in bed, e.g. positioning in a sling table or special bed | 4 | 8-390.x |  | 
																			
											| Cardiac or cardiopulmonary resuscitation | 4 | 8-771 |  | 
																			
											| Additional information on materials used | 4 | 8-83b.85 |  | 
																			
											| Interdisciplinary management for colonisation or infection with multiresistant germs (pathogens) | 4 | 8-987.10 |  | 
																			
											| Measurement of brain waves triggered by targeted stimuli (evoked potentials) | not specified | 1-208.4 |  | 
																			
											| Non-invasive, video-monitored measurement of the brain waves (EEG) in the case of seizures (epilepsy) before an operation | not specified | 1-210 |  | 
																			
											| Examination of the left side of the heart with a tube (catheter) inserted into the heart via an artery | not specified | 1-275.0 |  | 
																			
											| Examination of the left side of the heart with a tube (catheter) inserted into the heart via an artery | not specified | 1-275.2 |  | 
																			
											| 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 | 1-444.6 |  | 
																			
											| Taking a tissue sample (biopsy) of blood vessels through a surgical incision | not specified | 1-587.0 |  | 
																			
											| Examination of the large intestine by endoscopy - colonoscopy | not specified | 1-650.0 |  | 
																			
											| Examination of the large intestine by endoscopy - colonoscopy | not specified | 1-650.1 |  | 
																			
											| Examination of the large intestine by endoscopy - colonoscopy | not specified | 1-650.2 |  | 
																			
											| Examination of the urethra and the urinary bladder by endoscopy | not specified | 1-661 |  | 
																			
											| Measurement of lung function in an airtight cabin - whole body plethysmography | not specified | 1-710 |  | 
																			
											| Uniform basic assessment in terminal care | not specified | 1-774 |  | 
																			
											| Examination of the space between the lungs and ribs by taking a sample of fluid or tissue with a needle | not specified | 1-844 |  | 
																			
											|  | not specified | 1-999.40 |  | 
																			
											|  | not specified | 1-999.42 |  | 
																			
											| Ultrasound of the lungs with access through the respiratory tract | not specified | 3-05f |  | 
																			
											| X-rays of the breast | not specified | 3-100.0 |  | 
																			
											| X-rays of the kidney and urinary tract with contrast medium | not specified | 3-13d.5 |  | 
																			
											| X-rays of the arteries in the arms with contrast medium | not specified | 3-606 |  | 
																			
											| X-rays of the arteries in the legs with contrast medium | not specified | 3-607 |  | 
																			
											| Magnetic resonance imaging of the chest without contrast medium (MRI) | not specified | 3-809 |  | 
																			
											| Magnetic resonance imaging (MRI) of the chest with contrast medium | not specified | 3-822 |  | 
																			
											| Computer-assisted analysis of the images with 3D-analysis | not specified | 3-990 |  | 
																			
											| Insertion of a permanent, artificial tracheal opening | not specified | 5-312.1 |  | 
																			
											| Surgical removal of a blood clot including the adjacent inner wall of an artery | not specified | 5-381.03 |  | 
																			
											| Surgical closure of a hole in the blood vessel wall with a skin or synthetic flap | not specified | 5-395.01 |  | 
																			
											| Surgical incision into the intestine | not specified | 5-450.3 |  | 
																			
											| Surgical removal or destruction of diseased tissue in the large intestine | not specified | 5-452.62 |  | 
																			
											| Other operations on the intestine | not specified | 5-469.03 |  | 
																			
											| Other operations on the intestine | not specified | 5-469.e3 |  | 
																			
											| 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 opening of the abdominal cavity or tissue lying behind (retroperitoneum) | not specified | 5-541.0 |  | 
																			
											| Surgical procedure on a joint by endoscopy | not specified | 5-810.1h |  | 
																			
											| Operation on the synovium by endoscopy (arthroscopy) | not specified | 5-811.2h |  | 
																			
											| Operation on the articular cartilage or on the cartilage discs (menisci) by endoscopy (arthroscopy) | not specified | 5-812.5 |  | 
																			
											| Other surgical incision into the skin or subcutaneous tissues | not specified | 5-892.1f |  | 
																			
											| Simple surgical closure of the skin or the subcutaneous tissues after injuries, e.g. with a suture | not specified | 5-900.07 |  | 
																			
											| 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.hd |  | 
																			
											|  | not specified | 6-00f.p2 |  | 
																			
											|  | not specified | 6-00f.p4 |  | 
																			
											|  | not specified | 6-00f.p5 |  | 
																			
											|  | not specified | 8-017.0 |  | 
																			
											|  | not specified | 8-018.2 |  | 
																			
											| Injection or administration of medicines into the urinary bladder | not specified | 8-132.1 |  | 
																			
											| Exchange or removal of a urinary catheter through the abdominal wall | not specified | 8-133.0 |  | 
																			
											| Insertion, exchange or removal of a ureteral stent | not specified | 8-137.00 |  | 
																			
											| Non-surgical reduction of a dislocated joint without surgical fixation of the bone using devices such as screws or plates | not specified | 8-201.0 |  | 
																			
											| Treatment by specific positioning of the patient in bed, e.g. positioning in a sling table or special bed | not specified | 8-390.0 |  | 
																			
											| Making or modifying a device for radiotherapy | not specified | 8-527.1 |  | 
																			
											| Making or modifying a device for radiotherapy | not specified | 8-527.8 |  | 
																			
											| Checking the settings before the start of a radiotherapy session | not specified | 8-528.6 |  | 
																			
											| Planning radiotherapy for irradiation through the skin or at a localised site | not specified | 8-529.3 |  | 
																			
											| Instillation into a body cavity and locally restricted treatment with chemotherapy drugs or agents that influence the immune system | not specified | 8-541.0 |  | 
																			
											| Interdisciplinary measures for early postoperative treatment and early rehabilitation of ill elderly people | not specified | 8-550.0 |  | 
																			
											| Function-orientated physical exercises and uses | not specified | 8-561.2 |  | 
																			
											| Use of a face, nasal, or laryngeal mask for mechanical ventilation | not specified | 8-706 |  | 
																			
											|  | not specified | 8-718.71 |  | 
																			
											| Transfusion of blood, red blood cells or platelets from a donor to a recipient | not specified | 8-800.c2 |  | 
																			
											| 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.w8 |  | 
																			
											| Transfusion of blood plasma or plasma components or genetically engineered blood proteins | not specified | 8-810.w9 |  | 
																			
											| Transfusion of blood plasma or plasma components or genetically engineered blood proteins | not specified | 8-810.wb |  | 
																			
											| Transfusion of blood plasma or plasma components or genetically engineered blood proteins | not specified | 8-810.wc |  | 
																			
											| Transfusion of blood plasma or plasma components or genetically engineered blood proteins | not specified | 8-810.wd |  | 
																			
											| Transfusion of blood plasma or plasma components or genetically engineered blood proteins | not specified | 8-810.we |  | 
																			
											| Transfusion of other plasma components or genetically engineered blood proteins | not specified | 8-812.62 |  | 
																			
											|  | not specified | 8-831.20 |  | 
																			
											| Treatment of a vessel with access via a tube (catheter) | not specified | 8-836.00 |  | 
																			
											| 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 | 8-836.0c |  | 
																			
											| Treatment of a vessel with access via a tube (catheter) | not specified | 8-836.0k |  | 
																			
											| Treatment of a vessel with access via a tube (catheter) | not specified | 8-836.8a |  | 
																			
											|  | not specified | 8-83b.88 |  | 
																			
											| Additional information on materials used | not specified | 8-83b.c5 |  | 
																			
											| Additional information on materials used | not specified | 8-83b.p |  | 
																			
											| Implantation of non-drug eluting tubing (stents) in blood vessels | not specified | 8-840.00 |  | 
																			
											| 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 | 8-840.0m |  | 
																			
											| Implantation of self-expanding tubing (microstents) in blood vessels | not specified | 8-844.00 |  | 
																			
											|  | not specified | 8-84e.0m |  | 
																			
											| Procedure for dialysing the blood outside the body with removal of the poison over a concentration gradient - dialysis | not specified | 8-854.3 |  | 
																			
											| Monitoring of the brain waves for more than 24 hours | not specified | 8-920 |  | 
																			
											| 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 |  | 
																			
											|  | not specified | 8-981.31 |  | 
																			
											| Interdisciplinary end-of-life care | not specified | 8-982.1 |  | 
																			
											| Interdisciplinary end-of-life care | not specified | 8-982.3 |  | 
																			
											| 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 |  |