| Service | Number of cases | OPS key | Info | 
																			
											| Administration of medicines to sedate and eliminate pain | 262 | 8-903 |  | 
																			
											|  | 222 | 8-98g.10 |  | 
																			
											|  | 207 | 8-984.30 |  | 
																			
											| Examination of the oesophagus, stomach and duodenum by endoscopy | 193 | 1-632.0 |  | 
																			
											| Investigation of an allergy by specifically triggering an allergic reaction | 158 | 1-700 |  | 
																			
											| Taking a tissue sample (biopsy) of the upper digestive tract, biliary tract or the pancreas by endoscopy | 154 | 1-440.9 |  | 
																			
											| Measurement of the brain waves - EEG | 143 | 1-207.0 |  | 
																			
											| Taking a tissue sample (biopsy) of the lower digestive tract by endoscopy | 107 | 1-444.6 |  | 
																			
											| Examination of the large intestine by endoscopy - colonoscopy | 103 | 1-650.2 |  | 
																			
											| Measurement of the brain waves - EEG | 80 | 1-207.1 |  | 
																			
											|  | 74 | 9-984.7 |  | 
																			
											|  | 72 | 9-984.b |  | 
																			
											| Patient education | 71 | 9-500.0 |  | 
																			
											|  | 68 | 9-984.8 |  | 
																			
											|  | 63 | 8-98g.11 |  | 
																			
											|  | 61 | 9-984.6 |  | 
																			
											| Examination of the cerebrospinal fluid spaces | 51 | 1-204.2 |  | 
																			
											| Treatment of neurological illness or mental illness in children, with determination of the psychosocial background (e.g. family situation) or taking into account the relationship between mental and physical problems | 46 | 9-403.0 |  | 
																			
											| Magnetic resonance imaging (MRI) of the abdominal cavity with contrast medium | 37 | 3-825 |  | 
																			
											| Interdisciplinary management for colonisation or infection with multiresistant germs (pathogens) | 30 | 8-987.10 |  | 
																			
											| Magnetic resonance imaging (MRI) of the head without contrast medium | 29 | 3-800 |  | 
																			
											|  | 29 | 8-984.31 |  | 
																			
											| Artificial feeding through a stomach tube as the main medical treatment | 26 | 8-015.0 |  | 
																			
											|  | 26 | 9-984.9 |  | 
																			
											|  | 24 | 8-831.00 |  | 
																			
											|  | 19 | 9-984.a |  | 
																			
											| Computed tomography (CT) of the head without contrast medium | 17 | 3-200 |  | 
																			
											| Extensive investigation of hormone function | 13 | 1-797.0 |  | 
																			
											| Magnetic resonance imaging (MRI) of the head with contrast medium | 13 | 3-820 |  | 
																			
											| Examination of the small intestine by swallowing a capsule containing a camera | 12 | 1-63a |  | 
																			
											| 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 | 11 | 8-930 |  | 
																			
											| Investigation of the activity of the heart and lungs during sleep | 10 | 1-791 |  | 
																			
											| X-rays of the oesophagus with contrast medium | 10 | 3-137 |  | 
																			
											| Examination of the nose by endoscopy | 9 | 1-612 |  | 
																			
											| Examination of the duodenum by endoscopy | 9 | 1-635.0 |  | 
																			
											| Other operations on the oesophagus | 9 | 5-429.7 |  | 
																			
											| Transfusion of blood plasma or plasma components or genetically engineered blood proteins | 9 | 8-810.w7 |  | 
																			
											| Examination of the larynx by endoscopy | 8 | 1-610.0 |  | 
																			
											| Taking a tissue sample (biopsy) of the liver, biliary tract or the pancreas with a needle through the skin | 7 | 1-441.0 |  | 
																			
											|  | 7 | 1-611.00 |  | 
																			
											|  | 7 | 8-98g.12 |  | 
																			
											| Examination of the oesophagus by endoscopy | 6 | 1-630.0 |  | 
																			
											| Examination of the large intestine by endoscopy - colonoscopy | 6 | 1-650.1 |  | 
																			
											| Extensive investigation of hormone function | 6 | 1-797.1 |  | 
																			
											| Surgical incision into the eardrum (tympanic membrane) | 6 | 5-200.5 |  | 
																			
											| Operation using aids for optical magnification, e.g. magnifying spectacles, operating microscope | 6 | 5-984 |  | 
																			
											| Administration of medicines in accordance with List 1 of the procedures list | 6 | 6-001.e4 |  | 
																			
											| Measurement of the brain waves - EEG | 5 | 1-207.2 |  | 
																			
											| Measurement of brain waves triggered by targeted stimuli (evoked potentials) | 5 | 1-208.0 |  | 
																			
											|  | 5 | 1-611.0x |  | 
																			
											| Administration of medicines in accordance with List 1 of the procedures list | 5 | 6-001.e5 |  | 
																			
											|  | 5 | 6-008.52 |  | 
																			
											| Insertion or exchange of a tube inserted into the small intestine through the oesophagus | 5 | 8-125.1 |  | 
																			
											| Function-orientated physical exercises and uses | 5 | 8-561.1 |  | 
																			
											| Examination of nerve conduction - ENG | 4 | 1-206 |  | 
																			
											| Measurement of brain waves triggered by targeted stimuli (evoked potentials) | 4 | 1-208.6 |  | 
																			
											| Measurement of hearing - audiometry | 4 | 1-242 |  | 
																			
											| Taking a tissue sample (biopsy) of the upper digestive tract, biliary tract or the pancreas by endoscopy | 4 | 1-440.a |  | 
																			
											| Examination of the larynx by endoscopy | 4 | 1-610.1 |  | 
																			
											| Examination of the larynx by endoscopy | 4 | 1-610.x |  | 
																			
											| Examination of the pharynx by endoscopy | 4 | 1-611.1 |  | 
																			
											| Examination of the large intestine by endoscopy - colonoscopy | 4 | 1-650.0 |  | 
																			
											| Measurement of the reaction of the respiratory tract to a stimulus | 4 | 1-714 |  | 
																			
											| Magnetic resonance imaging (MRI) of the pelvis with contrast medium | 4 | 3-82a |  | 
																			
											| Surgical removal of the (enlarged) adenoids (without removal of the tonsils) | 4 | 5-285.0 |  | 
																			
											| Surgical removal or destruction of diseased tissue in the large intestine | 4 | 5-452.61 |  | 
																			
											| Other operations on the intestine | 4 | 5-469.c3 |  | 
																			
											|  | 4 | 6-00a.5 |  | 
																			
											| Transfusion of blood, red blood cells or platelets from a donor to a recipient | 4 | 8-800.c0 |  | 
																			
											| Interdisciplinary management for colonisation or infection with multiresistant germs (pathogens) | 4 | 8-987.11 |  | 
																			
											| Patient education | 4 | 9-500.1 |  | 
																			
											| Examination of the cerebrospinal fluid spaces | not specified | 1-204.1 |  | 
																			
											| Measurement of brain waves triggered by targeted stimuli (evoked potentials) | not specified | 1-208.1 |  | 
																			
											| Measurement of brain waves triggered by targeted stimuli (evoked potentials) | not specified | 1-208.2 |  | 
																			
											| Measurement of brain waves triggered by targeted stimuli (evoked potentials) | not specified | 1-208.8 |  | 
																			
											| Taking a tissue sample (biopsy) of the bone marrow without surgical incision | not specified | 1-424 |  | 
																			
											| Taking a tissue sample (biopsy) of the lower digestive tract by endoscopy | not specified | 1-444.7 |  | 
																			
											| Taking a tissue sample (biopsy) of skin or subcutaneous tissues without surgical incision | not specified | 1-490.2 |  | 
																			
											| Taking a tissue sample (biopsy) of skin or subcutaneous tissues without surgical incision | not specified | 1-490.3 |  | 
																			
											| Taking a tissue sample (biopsy) of skin or subcutaneous tissues without surgical incision | not specified | 1-490.4 |  | 
																			
											| Taking a tissue sample (biopsy) of skin or subcutaneous tissues without surgical incision | not specified | 1-490.5 |  | 
																			
											| Taking a tissue sample (biopsy) of skin or subcutaneous tissues without surgical incision | not specified | 1-490.6 |  | 
																			
											| Taking a tissue sample (biopsy) of skin or subcutaneous tissues without surgical incision | not specified | 1-490.x |  | 
																			
											| Taking a tissue sample (biopsy) of lymph nodes through a surgical incision | not specified | 1-586.0 |  | 
																			
											| Examination of the larynx by endoscopy | not specified | 1-610.2 |  | 
																			
											| Examination of the larynx by endoscopy | not specified | 1-610.y |  | 
																			
											|  | not specified | 1-611.01 |  | 
																			
											| Examination of the pharynx by endoscopy | not specified | 1-611.x |  | 
																			
											| Examination of the pharynx by endoscopy | not specified | 1-611.y |  | 
																			
											| Evaluation of swallowing with the help of a tube-shaped instrument with a camera mounted at the end (endoscope) | not specified | 1-613 |  | 
																			
											| Examination of the trachea and the bronchi by endoscopy | not specified | 1-620.00 |  | 
																			
											| Examination of the trachea and the bronchi by endoscopy | not specified | 1-620.02 |  | 
																			
											| Examination of the oesophagus, stomach and duodenum by endoscopy | not specified | 1-632.y |  | 
																			
											| Examination of the S-shaped part of the large intestine (sigmoid colon) by endoscopy | not specified | 1-651 |  | 
																			
											| Examination of the intestines by endoscopy via an artificial bowel opening (ostomy) | not specified | 1-652.0 |  | 
																			
											| Examination of the rectum by endoscopy | not specified | 1-654.x |  | 
																			
											| 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 | 1-854.6 |  | 
																			
											| X-rays of the pharynx (throat) with contrast medium | not specified | 3-134 |  | 
																			
											| X-rays of the patency of the stomach and intestine | not specified | 3-13b |  | 
																			
											| Computed tomography (CT) of the chest without contrast medium | not specified | 3-202 |  | 
																			
											| Computed tomography (CT) of the abdomen without contrast medium | not specified | 3-207 |  | 
																			
											| Computed tomography of the head with contrast medium | not specified | 3-220 |  | 
																			
											| Computed tomography of the chest with contrast medium | not specified | 3-222 |  | 
																			
											| Magnetic resonance imaging (MRI) of the spine and spinal cord without contrast medium | not specified | 3-802 |  | 
																			
											| Magnetic resonance imaging (MRI) of the abdominal cavity without contrast medium | not specified | 3-804 |  | 
																			
											| Magnetic resonance imaging (MRI) of the musculoskeletal system without contrast medium | not specified | 3-806 |  | 
																			
											| 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 |  | 
																			
											| Magnetic resonance imaging (MRI) of the spine and spinal cord with contrast medium | not specified | 3-823 |  | 
																			
											| Magnetic resonance imaging (MRI) of the musculoskeletal system with contrast medium | not specified | 3-826 |  | 
																			
											| Magnetic resonance imaging (MRI) of the biliary tract and pancreatic ducts with contrast medium | not specified | 3-843.0 |  | 
																			
											| Removal of a grommet from the Eustachian tube | not specified | 5-201 |  | 
																			
											| Surgical clearance of the mastoid process | not specified | 5-203.0 |  | 
																			
											| Operation on several paranasal sinuses | not specified | 5-224.61 |  | 
																			
											| Tooth extraction | not specified | 5-230.0 |  | 
																			
											| Tooth extraction | not specified | 5-230.1 |  | 
																			
											| Other operations on the gums (gingiva) | not specified | 5-242.0 |  | 
																			
											| Surgical incision and drainage of fluid from the mouth, jaw or facial region | not specified | 5-270.8 |  | 
																			
											| Surgical removal of the palatine tonsils (without removal of the adenoids) - tonsillectomy without adenoidectomy | not specified | 5-281.0 |  | 
																			
											| Surgical removal of the tonsils and adenoids | not specified | 5-282.0 |  | 
																			
											| Surgical incision into a bronchus | not specified | 5-330.1 |  | 
																			
											| Surgical insertion of a tube into the stomach through the abdominal wall for artificial feeding | not specified | 5-431.20 |  | 
																			
											| Surgical insertion of a tube into the stomach through the abdominal wall for artificial feeding | not specified | 5-431.21 |  | 
																			
											| Surgical removal or destruction of diseased tissue in the stomach | not specified | 5-433.21 |  | 
																			
											| Other operations on the stomach | not specified | 5-449.73 |  | 
																			
											| Other operations on the stomach | not specified | 5-449.c3 |  | 
																			
											| Other operations on the stomach | not specified | 5-449.d3 |  | 
																			
											| Surgical removal or destruction of diseased tissue in the large intestine | not specified | 5-452.82 |  | 
																			
											| Other operations on the intestine | not specified | 5-469.d3 |  | 
																			
											| Surgical removal of the appendix - appendicectomy | not specified | 5-470.10 |  | 
																			
											| 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 |  | 
																			
											| Other operations on the rectum | not specified | 5-489.x |  | 
																			
											| Surgical treatment of abnormal passages in the region of the anus (anal fistula) | not specified | 5-491.2 |  | 
																			
											| Operation on the pancreatic duct during gastroscopy | not specified | 5-526.1 |  | 
																			
											| Operation on the pancreatic duct during gastroscopy | not specified | 5-526.5 |  | 
																			
											| Operation on the pancreatic duct during gastroscopy | not specified | 5-526.d |  | 
																			
											| Surgical incision into a kidney, insertion of a tube to drain urine from the kidney, removal of a stone (calculus) through a surgical incision, dilatation of the renal pelvis or removal of a stone by endoscopy | not specified | 5-550.0 |  | 
																			
											| Other surgical incision into the skin or subcutaneous tissues | not specified | 5-892.09 |  | 
																			
											| Other surgical incision into the skin or subcutaneous tissues | not specified | 5-892.0d |  | 
																			
											| Other surgical incision into the skin or subcutaneous tissues | not specified | 5-892.1e |  | 
																			
											|  | not specified | 5-896.1e |  | 
																			
											| Skin grafting from the area around the wound | not specified | 5-903.9e |  | 
																			
											| Temporary covering of soft tissue injuries with skin or artificial skin | not specified | 5-916.a0 |  | 
																			
											| Revision operations | not specified | 5-983 |  | 
																			
											| Operation using lasers | not specified | 5-985.1 |  | 
																			
											| Administration of medicines in accordance with List 1 of the procedures list | not specified | 6-001.d3 |  | 
																			
											| Administration of medicines in accordance with List 1 of the procedures list | not specified | 6-001.d5 |  | 
																			
											| Administration of medicines in accordance with List 1 of the procedures list | not specified | 6-001.e6 |  | 
																			
											| Administration of medicines in accordance with List 1 of the procedures list | not specified | 6-001.e7 |  | 
																			
											| Administration of medicines in accordance with List 1 of the procedures list | not specified | 6-001.e8 |  | 
																			
											| Administration of medicines in accordance with List 1 of the procedures list | not specified | 6-001.e9 |  | 
																			
											| Administration of medicines in accordance with List 1 of the procedures list | not specified | 6-001.ed |  | 
																			
											|  | not specified | 6-005.p4 |  | 
																			
											|  | not specified | 6-005.q4 |  | 
																			
											|  | not specified | 6-008.50 |  | 
																			
											|  | not specified | 6-008.51 |  | 
																			
											| Artificial feeding through a stomach tube as the main medical treatment | not specified | 8-015.1 |  | 
																			
											| Artificial feeding through a stomach tube as the main medical treatment | not specified | 8-015.x |  | 
																			
											| Artificial feeding through a vein as the main medical treatment | not specified | 8-016 |  | 
																			
											| Removal of a foreign body by endoscopy | not specified | 8-100.40 |  | 
																			
											| Removal of a foreign body by endoscopy | not specified | 8-100.50 |  | 
																			
											| Removal of a foreign body by endoscopy | not specified | 8-100.8 |  | 
																			
											| Removal of a foreign body from the skin without a surgical incision | not specified | 8-102.a |  | 
																			
											| Intestinal lavage | not specified | 8-121 |  | 
																			
											| Removal of a segment of intestine that has folded into another segment (intussusception) | not specified | 8-122.0 |  | 
																			
											| Exchange or removal of a feeding tube inserted into the stomach through the skin | not specified | 8-123.0 |  | 
																			
											| Exchange or removal of a feeding tube inserted into the stomach through the skin | not specified | 8-123.1 |  | 
																			
											| Insertion or exchange of a tube inserted into the small intestine through the oesophagus | not specified | 8-125.0 |  | 
																			
											| Insertion or exchange of a tube inserted into the small intestine through the oesophagus | not specified | 8-125.2 |  | 
																			
											| Insertion of a small tube (cannula) or catheter into the space between the lungs and ribs for the drainage of fluid | not specified | 8-144.0 |  | 
																			
											| Insertion of a small tube (cannula) or catheter into the space between the lungs and ribs for the drainage of fluid | not specified | 8-144.2 |  | 
																			
											| Treatment by the targeted insertion of a needle into the chest with subsequent administration or removal of substances, e.g. fluid | not specified | 8-152.1 |  | 
																			
											| Specific dressing techniques | not specified | 8-190.20 |  | 
																			
											| Treatment by specific positioning of the patient in bed, e.g. positioning in a sling table or special bed | not specified | 8-390.1 |  | 
																			
											| Use of natural or artificial light for therapeutic purposes - light therapy | not specified | 8-560.2 |  | 
																			
											| Transfusion of blood plasma or plasma components or genetically engineered blood proteins | not specified | 8-810.w2 |  | 
																			
											| Transfusion of blood plasma or plasma components or genetically engineered blood proteins | not specified | 8-810.w3 |  | 
																			
											| Transfusion of blood plasma or plasma components or genetically engineered blood proteins | not specified | 8-810.w4 |  | 
																			
											| 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 |  | 
																			
											|  | not specified | 8-831.20 |  | 
																			
											| Anaesthesia with administration of an anaesthetic first into a vein, then via the respiratory tract | not specified | 8-902 |  | 
																			
											| 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 |  | 
																			
											| Interdisciplinary end-of-life care | not specified | 8-982.0 |  | 
																			
											| 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 | 8-987.12 |  | 
																			
											|  | not specified | 8-98g.00 |  | 
																			
											|  | not specified | 8-98g.01 |  |