| Service | Number of cases | OPS key | Info | 
																			
											| Procedure for dialysing the blood outside the body with removal of the poison over a concentration gradient - dialysis | 92 | 8-854.2 |  | 
																			
											| Computed tomography (CT) of the head without contrast medium | 68 | 3-200 |  | 
																			
											| Interdisciplinary measures for early postoperative treatment and early rehabilitation of ill elderly people | 45 | 8-550.1 |  | 
																			
											| Evaluation of swallowing with the help of a tube-shaped instrument with a camera mounted at the end (endoscope) | 42 | 1-613 |  | 
																			
											| Interdisciplinary measures for early postoperative treatment and early rehabilitation of ill elderly people | 37 | 8-550.2 |  | 
																			
											| Anaesthesia with administration of an anaesthetic into a vein | 34 | 8-900 |  | 
																			
											| Examination of the oesophagus, stomach and duodenum by endoscopy | 31 | 1-632.0 |  | 
																			
											|  | 22 | 9-984.7 |  | 
																			
											| Computed tomography (CT) of the pelvis without contrast medium | 21 | 3-206 |  | 
																			
											|  | 19 | 9-984.b |  | 
																			
											| Measurement of the electrical activity of the heart without a tube (catheter) inserted into the heart via an artery | 17 | 1-266.0 |  | 
																			
											|  | 17 | 8-98g.11 |  | 
																			
											| Computed tomography of the chest with contrast medium | 16 | 3-222 |  | 
																			
											| Measurement of lung function in an airtight cabin - whole body plethysmography | 15 | 1-710 |  | 
																			
											| Ultrasound of the heart (echocardiography) through the oesophagus - TEE | 15 | 3-052 |  | 
																			
											| Computed tomography of the abdomen with contrast medium | 15 | 3-225 |  | 
																			
											| Others therapeutic procedures to influence the immune system | 13 | 8-547.x |  | 
																			
											| 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 | 13 | 8-930 |  | 
																			
											|  | 12 | 9-984.8 |  | 
																			
											| Measurement of the brain waves - EEG | 11 | 1-207.0 |  | 
																			
											| Taking a tissue sample (biopsy) of the upper digestive tract, biliary tract or the pancreas by endoscopy | 10 | 1-440.a |  | 
																			
											| Magnetic resonance imaging (MRI) of the spine and spinal cord without contrast medium | 10 | 3-802 |  | 
																			
											| Temporary covering of soft tissue injuries with skin or artificial skin | 8 | 5-916.a0 |  | 
																			
											| Taking a tissue sample (biopsy) of the upper digestive tract, biliary tract or the pancreas by endoscopy | 7 | 1-440.9 |  | 
																			
											| Computed tomography (CT) of the spine and the spinal cord without contrast medium | 7 | 3-203 |  | 
																			
											| Interdisciplinary measures for early postoperative treatment and early rehabilitation of ill elderly people | 7 | 8-550.0 |  | 
																			
											|  | 7 | 8-98g.01 |  | 
																			
											| Examination of the large intestine by endoscopy - colonoscopy | 6 | 1-650.2 |  | 
																			
											| Examination of the space between the lungs and ribs by taking a sample of fluid or tissue with a needle | 6 | 1-844 |  | 
																			
											| Complex differential diagnostic sonography of the vascular system with quantitative evaluation | 6 | 3-035 |  | 
																			
											| Computed tomography (CT) of the musculoskeletal system without contrast medium | 6 | 3-205 |  | 
																			
											| Operation with the smallest possible incision into the skin and minimal tissue damage (minimally invasive) | 6 | 5-986.x |  | 
																			
											| Transfusion of blood, red blood cells or platelets from a donor to a recipient | 6 | 8-800.c0 |  | 
																			
											|  | 6 | 8-98g.12 |  | 
																			
											|  | 6 | 9-984.6 |  | 
																			
											| Examination of the oesophagus and the stomach by endoscopy | 5 | 1-631.0 |  | 
																			
											| Other operations on the spine | 5 | 5-839.a0 |  | 
																			
											| Operation using aids for optical magnification, e.g. magnifying spectacles, operating microscope | 5 | 5-984 |  | 
																			
											| Non-surgical reduction of a dislocated joint without surgical fixation of the bone using devices such as screws or plates | 5 | 8-201.g |  | 
																			
											| Treatment of physically or functionally induced disorders of speech, language, the voice or swallowing | 5 | 9-320 |  | 
																			
											| Examination of the large intestine by endoscopy - colonoscopy | 4 | 1-650.1 |  | 
																			
											| Analysis of the amount of carbon monoxide taken in and given off by the lungs | 4 | 1-711 |  | 
																			
											| Computed tomography (CT) of the chest without contrast medium | 4 | 3-202 |  | 
																			
											| Computed tomography (CT) of the abdomen without contrast medium | 4 | 3-207 |  | 
																			
											| Computed tomography of the head with contrast medium | 4 | 3-220 |  | 
																			
											| Magnetic resonance imaging (MRI) of the head without contrast medium | 4 | 3-800 |  | 
																			
											| Other operations on blood vessels | 4 | 5-399.5 |  | 
																			
											| Dressings for large areas of skin or serious skin diseases | 4 | 8-191.5 |  | 
																			
											|  | 4 | 8-98f.0 |  | 
																			
											| Measurement of the electrical activity of the muscles - EMG | not specified | 1-205 |  | 
																			
											| Examination of nerve conduction - ENG | not specified | 1-206 |  | 
																			
											| Other examination of the function of the nervous system | not specified | 1-20a.20 |  | 
																			
											| 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 | 1-275.5 |  | 
																			
											|  | not specified | 1-313.x |  | 
																			
											| Taking a tissue sample (biopsy) of the bone marrow without surgical incision | not specified | 1-424 |  | 
																			
											| Taking a tissue sample (biopsy) of the respiratory tract through the skin, guided by imaging procedures such as ultrasound | not specified | 1-432.1 |  | 
																			
											| Taking a tissue sample (biopsy) of the lower digestive tract by endoscopy | not specified | 1-444.6 |  | 
																			
											| Taking a tissue sample (biopsy) of the lower digestive tract by endoscopy | not specified | 1-444.7 |  | 
																			
											| Taking a tissue sample (biopsy) of the male reproductive organs through the rectum | not specified | 1-464.00 |  | 
																			
											| Taking a tissue sample (biopsy) of skin or subcutaneous tissues without surgical incision | not specified | 1-490.4 |  | 
																			
											| Examination of the trachea and the bronchi by endoscopy | not specified | 1-620.01 |  | 
																			
											| Examination of the oesophagus by endoscopy | not specified | 1-630.0 |  | 
																			
											| Examination of the large intestine by endoscopy - colonoscopy | not specified | 1-650.0 |  | 
																			
											| Examination of the urethra and the urinary bladder by endoscopy | not specified | 1-661 |  | 
																			
											| Measurement of the reaction of the respiratory tract to a stimulus | not specified | 1-714 |  | 
																			
											| Six-minute walk test (as described by Guyatt) | not specified | 1-715 |  | 
																			
											| Uniform basic assessment in terminal care | not specified | 1-774 |  | 
																			
											| Investigation of the activity of the heart and lungs during sleep | not specified | 1-791 |  | 
																			
											| Examination of the bronchi by taking a sample of fluid or tissue with a needle | not specified | 1-843 |  | 
																			
											| Examination of a joint or of a bursa by taking a sample of fluid or tissue with a needle | not specified | 1-854.6 |  | 
																			
											| Examination of a joint or of a bursa by taking a sample of fluid or tissue with a needle | not specified | 1-854.7 |  | 
																			
											| Comprehensive ultrasound examination with contrast medium for investigating and excluding suspected diagnoses | not specified | 3-030 |  | 
																			
											| Ultrasound the pancreas with access through the oesophagus | not specified | 3-056 |  | 
																			
											| X-rays of the breast | not specified | 3-100.0 |  | 
																			
											| X-rays of the patency of the stomach and intestine | not specified | 3-13b |  | 
																			
											| X-rays of the kidney and urinary tract with contrast medium | not specified | 3-13d.5 |  | 
																			
											| X-rays of the urinary bladder with contrast medium | not specified | 3-13f |  | 
																			
											| Other computed tomography (CT) without contrast medium | not specified | 3-20x |  | 
																			
											| Computed tomography of the neck with contrast medium | not specified | 3-221 |  | 
																			
											| Computed tomography (CT) of the blood vessels other than the main arteries and veins near the heart with contrast medium | not specified | 3-228 |  | 
																			
											| Other computed tomography (CT) with contrast medium | not specified | 3-22x |  | 
																			
											| Imaging procedure of the whole body to show abnormal processes by means of radioactivity (scintigraphy) | not specified | 3-70c.2 |  | 
																			
											| Imaging procedure of the whole body to show abnormal processes by means of radioactivity (scintigraphy) | not specified | 3-70c.x |  | 
																			
											| Magnetic resonance imaging (MRI) of the musculoskeletal system without contrast medium | not specified | 3-806 |  | 
																			
											| Other magnetic resonance imaging (MRI) without contrast medium | not specified | 3-80x |  | 
																			
											| Magnetic resonance imaging (MRI) of the head with contrast medium | not specified | 3-820 |  | 
																			
											| 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 |  | 
																			
											| Use of an imaging procedure during an operation | not specified | 3-992 |  | 
																			
											| Surgical access to the area between the head and neck or to the cervical spine | not specified | 5-030.71 |  | 
																			
											| Surgical access to the thoracic spine | not specified | 5-031.00 |  | 
																			
											| Surgical access to the thoracic spine | not specified | 5-031.01 |  | 
																			
											| 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 | 5-032.01 |  | 
																			
											| 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 | 5-032.10 |  | 
																			
											| 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 | 5-032.31 |  | 
																			
											| Other operations on the spinal cord or the spinal meninges | not specified | 5-039.a5 |  | 
																			
											| Insertion of a cardiac pacemaker or of a defibrillator | not specified | 5-377.1 |  | 
																			
											| Insertion of a cardiac pacemaker or of a defibrillator | not specified | 5-377.30 |  | 
																			
											| Surgical procedure to remove varicose veins from the leg | not specified | 5-385.1 |  | 
																			
											| Re-operation after vascular surgery | not specified | 5-394.x |  | 
																			
											| Other operations on blood vessels | not specified | 5-399.7 |  | 
																			
											| 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 | 5-433.21 |  | 
																			
											| Surgical removal or destruction of diseased tissue in the stomach | not specified | 5-433.52 |  | 
																			
											| Other operations on the stomach | not specified | 5-449.73 |  | 
																			
											| Other operations on the stomach | not specified | 5-449.d3 |  | 
																			
											| Surgical incision into the intestine | not specified | 5-450.3 |  | 
																			
											| Surgical removal or destruction of diseased tissue in the small intestine | not specified | 5-451.92 |  | 
																			
											| Surgical removal or destruction of diseased tissue in the large intestine | not specified | 5-452.61 |  | 
																			
											| Surgical removal or destruction of diseased tissue in the large intestine | not specified | 5-452.63 |  | 
																			
											| 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 |  | 
																			
											| Other operations on the intestine | not specified | 5-469.e3 |  | 
																			
											| Other operations on the intestine | not specified | 5-469.h3 |  | 
																			
											| 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 | 5-550.31 |  | 
																			
											| Surgical incision into the ureter or removal of a stone during an open operation or endoscopy | not specified | 5-562.5 |  | 
																			
											| Removal of stones, foreign bodies or collections of blood from the bladder by endoscopy | not specified | 5-570.0 |  | 
																			
											| Operation on the foreskin of the penis | not specified | 5-640.2 |  | 
																			
											| Removal of the devices used to fix bone fragments, e.g. in fractures | not specified | 5-787.gv |  | 
																			
											| Reduction of a fracture or a separated growth cartilage (epiphyseal cartilage) and external fixation of the bone fragments using devices such as screws or plates | not specified | 5-790.5f |  | 
																			
											| Surgical reduction of a comminuted fracture in the shaft of a long bone | not specified | 5-792.1g |  | 
																			
											| Surgical reduction of a comminuted fracture in the shaft of a long bone | not specified | 5-792.k2 |  | 
																			
											| Surgical reduction of a comminuted fracture in the shaft of a long bone | not specified | 5-792.kg |  | 
																			
											| Surgical reduction of a comminuted fracture in the joint region of a long bone and fixation of the bone fragments using devices such as screws or plates | not specified | 5-794.k6 |  | 
																			
											| Surgical incision into diseased bone or joint tissue in the spine | not specified | 5-830.0 |  | 
																			
											| Surgical incision into diseased bone or joint tissue in the spine | not specified | 5-830.7 |  | 
																			
											| Surgical removal of diseased intervertebral disc tissue | not specified | 5-831.2 |  | 
																			
											| Other operations on the spine | not specified | 5-839.0 |  | 
																			
											| Other operations on the spine | not specified | 5-839.11 |  | 
																			
											| Other operations on the spine | not specified | 5-839.5 |  | 
																			
											| Other operations on the spine | not specified | 5-839.60 |  | 
																			
											| Other operations on the spine | not specified | 5-839.61 |  | 
																			
											| Other operations on the spine | not specified | 5-839.a1 |  | 
																			
											|  | not specified | 5-83b.54 |  | 
																			
											|  | not specified | 5-83w.0 |  | 
																			
											| Surgical removal of diseased tissue from the skin or subcutaneous tissues | not specified | 5-894.0a |  | 
																			
											|  | not specified | 5-896.0c |  | 
																			
											|  | not specified | 5-896.1a |  | 
																			
											|  | not specified | 5-896.1d |  | 
																			
											| Temporary covering of soft tissue injuries with skin or artificial skin | not specified | 5-916.a1 |  | 
																			
											| Temporary covering of soft tissue injuries with skin or artificial skin | not specified | 5-916.a2 |  | 
																			
											| Operation using lasers | not specified | 5-985.0 |  | 
																			
											|  | not specified | 5-98k.0 |  | 
																			
											| Administration of medicines in accordance with List 1 of the procedures list | not specified | 6-001.d2 |  | 
																			
											| Administration of medicines in accordance with List 1 of the procedures list | not specified | 6-001.j0 |  | 
																			
											| Administration of medicines in accordance with List 2 of the procedures list | not specified | 6-002.p4 |  | 
																			
											| Administration of medicines in accordance with List 2 of the procedures list | not specified | 6-002.p7 |  | 
																			
											|  | not specified | 6-007.65 |  | 
																			
											|  | not specified | 6-008.he |  | 
																			
											|  | not specified | 8-017.0 |  | 
																			
											|  | not specified | 8-018.0 |  | 
																			
											| Intestinal lavage | not specified | 8-121 |  | 
																			
											| Exchange or removal of a feeding tube inserted into the stomach through the skin | not specified | 8-123.1 |  | 
																			
											| 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 | 8-132.3 |  | 
																			
											| Insertion, exchange or removal of a ureteral stent | not specified | 8-137.00 |  | 
																			
											| Insertion, exchange or removal of a ureteral stent | not specified | 8-137.03 |  | 
																			
											| Insertion, exchange or removal of a ureteral stent | not specified | 8-137.10 |  | 
																			
											| Insertion, exchange or removal of a ureteral stent | not specified | 8-137.12 |  | 
																			
											|  | not specified | 8-137.20 |  | 
																			
											|  | not specified | 8-137.23 |  | 
																			
											| Exchange or removal of a tube (catheter) in the kidney for draining urine through the abdominal wall | not specified | 8-138.0 |  | 
																			
											| Insertion of a small tube (cannula) or catheter into the space between the lungs and ribs for the drainage of fluid | not specified | 8-144.0 |  | 
																			
											| Insertion of a small tube (cannula) or catheter into the space between the lungs and ribs for the drainage of fluid | not specified | 8-144.1 |  | 
																			
											| 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 |  | 
																			
											| Other treatment by the targeted insertion of a needle with subsequent administration or removal of substances, e.g. fluid | not specified | 8-159.x |  | 
																			
											| Treatment by washing out (irrigating) the ear | not specified | 8-171.0 |  | 
																			
											| Other treatment by irrigation or lavage | not specified | 8-179.3 |  | 
																			
											| Other treatment by irrigation or lavage | not specified | 8-179.x |  | 
																			
											| Specific dressing techniques | not specified | 8-190.21 |  | 
																			
											| Specific dressing techniques | not specified | 8-190.23 |  | 
																			
											| Dressings for large areas of skin or serious skin diseases | not specified | 8-191.00 |  | 
																			
											| Dressings for large areas of skin or serious skin diseases | not specified | 8-191.20 |  | 
																			
											| Dressings for large areas of skin or serious skin diseases | not specified | 8-191.x |  | 
																			
											|  | not specified | 8-192.0g |  | 
																			
											|  | not specified | 8-192.1d |  | 
																			
											| Non-surgical reduction of a dislocated joint without surgical fixation of the bone using devices such as screws or plates | not specified | 8-201.h |  | 
																			
											| Treatment by specific positioning of the patient in bed, e.g. positioning in a sling table or special bed | not specified | 8-390.x |  | 
																			
											| Cancer treatment for several days (e.g. 2-4 days) with two or more chemotherapy drugs administered into a vein | not specified | 8-543.13 |  | 
																			
											| Others therapeutic procedures to influence the immune system | not specified | 8-547.0 |  | 
																			
											| Others therapeutic procedures to influence the immune system | not specified | 8-547.31 |  | 
																			
											| Function-orientated physical exercises and uses | not specified | 8-561.1 |  | 
																			
											| Function-orientated physical exercises and uses | not specified | 8-561.2 |  | 
																			
											| Treatment of cardiac arrhythmias with electric shocks - defibrillation | not specified | 8-640.0 |  | 
																			
											| Use of a face, nasal, or laryngeal mask for mechanical ventilation | not specified | 8-706 |  | 
																			
											|  | not specified | 8-713.0 |  | 
																			
											| 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 |  | 
																			
											| Transfusion of other plasma components or genetically engineered blood proteins | not specified | 8-812.50 |  | 
																			
											|  | not specified | 8-831.00 |  | 
																			
											| 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 | 8-836.1k |  | 
																			
											| Additional information on materials used | not specified | 8-83b.51 |  | 
																			
											| Additional information on materials used | not specified | 8-83b.ba |  | 
																			
											| Additional information on materials used | not specified | 8-83b.c4 |  | 
																			
											| Comprehensive pain control for acute pain | not specified | 8-919 |  | 
																			
											| 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 |  | 
																			
											| Radio-controlled cardiological telemetry | not specified | 8-933 |  | 
																			
											|  | not specified | 8-981.30 |  | 
																			
											| 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 | 8-98e.0 |  | 
																			
											|  | not specified | 8-98e.2 |  | 
																			
											|  | not specified | 8-98g.02 |  | 
																			
											|  | not specified | 8-98g.10 |  | 
																			
											|  | not specified | 8-98g.13 |  | 
																			
											|  | not specified | 8-98g.14 |  | 
																			
											| Treatment procedure to maintain and encourage practical everyday and social skills - psychosocial intervention | not specified | 9-401.22 |  | 
																			
											| Treatment procedure to maintain and encourage practical everyday and social skills - psychosocial intervention | not specified | 9-401.23 |  | 
																			
											| Treatment procedure to maintain and encourage practical everyday and social skills - psychosocial intervention | not specified | 9-401.26 |  | 
																			
											| Patient education | not specified | 9-500.0 |  |