| Service | Number of cases | OPS key | Info | 
																			
											| Magnetic resonance imaging (MRI) of the spine and spinal cord without contrast medium | 247 | 3-802 |  | 
																			
											| Operation using aids for optical magnification, e.g. magnifying spectacles, operating microscope | 118 | 5-984 |  | 
																			
											| Surgical access to the lumbar spine, sacrum or coccyx | 97 | 5-032.00 |  | 
																			
											| Surgical access to the lumbar spine, sacrum or coccyx | 90 | 5-032.20 |  | 
																			
											| Surgical access to the lumbar spine, sacrum or coccyx | 65 | 5-032.10 |  | 
																			
											| Surgical removal of diseased intervertebral disc tissue | 54 | 5-831.0 |  | 
																			
											| Computed tomography (CT) of the spine and the spinal cord without contrast medium | 52 | 3-203 |  | 
																			
											| Other operations on the spine | 44 | 5-839.60 |  | 
																			
											| Regional pain control by injecting an anaesthetic into a space in the spinal canal (epidural space) | 43 | 8-910 |  | 
																			
											|  | 32 | 5-83b.70 |  | 
																			
											| Surgical removal of diseased intervertebral disc tissue | 31 | 5-831.2 |  | 
																			
											| Pain control by injecting an anaesthetic around a nerve root or nerve close to the spine | 30 | 8-914.12 |  | 
																			
											| Surgical removal of diseased bone or joint tissue in the spine | 29 | 5-832.4 |  | 
																			
											| Computed tomography (CT) of the head without contrast medium | 28 | 3-200 |  | 
																			
											|  | 26 | 9-984.7 |  | 
																			
											| Operation with the smallest possible incision into the skin and minimal tissue damage (minimally invasive) | 24 | 5-986.x |  | 
																			
											| Pain control by injecting an anaesthetic into a joint of the spine | 21 | 8-917.13 |  | 
																			
											| Other operations on the spine | 20 | 5-839.61 |  | 
																			
											|  | 20 | 9-984.8 |  | 
																			
											| Other operations on the spine | 19 | 5-839.a0 |  | 
																			
											| Surgical access to the lumbar spine, sacrum or coccyx | 17 | 5-032.01 |  | 
																			
											| Surgical fixation of vertebrae using devices such as screws or plates | 17 | 5-835.b0 |  | 
																			
											| Surgical access to the area between the head and neck or to the cervical spine | 16 | 5-030.70 |  | 
																			
											| Surgical access to the lumbar spine, sacrum or coccyx | 16 | 5-032.21 |  | 
																			
											|  | 16 | 5-83b.50 |  | 
																			
											| Surgical removal of diseased intervertebral disc tissue | 14 | 5-831.9 |  | 
																			
											| Surgical access to the lumbar spine, sacrum or coccyx | 12 | 5-032.11 |  | 
																			
											| Surgical stiffening of the spine - spondylodesis | 12 | 5-836.30 |  | 
																			
											| Surgical incision into diseased bone or joint tissue in the spine | 10 | 5-830.7 |  | 
																			
											| Surgical removal of diseased intervertebral disc tissue | 10 | 5-831.7 |  | 
																			
											| Surgical removal of diseased bone or joint tissue in the spine | 10 | 5-832.5 |  | 
																			
											|  | 10 | 5-83b.71 |  | 
																			
											| 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 | 10 | 8-930 |  | 
																			
											|  | 8 | 5-83b.51 |  | 
																			
											|  | 8 | 9-984.6 |  | 
																			
											| Magnetic resonance imaging (MRI) of the spine and spinal cord with contrast medium | 6 | 3-823 |  | 
																			
											| Surgical access to the lumbar spine, sacrum or coccyx | 6 | 5-032.02 |  | 
																			
											| Computed tomography (CT) of the musculoskeletal system without contrast medium | 5 | 3-205 |  | 
																			
											| Magnetic resonance imaging (MRI) of the head without contrast medium | 5 | 3-800 |  | 
																			
											| Magnetic resonance imaging (MRI) of the pelvis without contrast medium | 5 | 3-805 |  | 
																			
											| Surgical access to the area between the head and neck or to the cervical spine | 5 | 5-030.30 |  | 
																			
											| Surgical access to the area between the head and neck or to the cervical spine | 5 | 5-030.71 |  | 
																			
											| Surgical access to the lumbar spine, sacrum or coccyx | 5 | 5-032.30 |  | 
																			
											| Surgical removal of diseased bone or joint tissue in the spine | 5 | 5-832.0 |  | 
																			
											| Revision operations | 5 | 5-983 |  | 
																			
											| Pain control by injecting an anaesthetic around a nerve root or nerve close to the spine | 5 | 8-914.10 |  | 
																			
											| Computed tomography (CT) of the pelvis without contrast medium | 4 | 3-206 |  | 
																			
											| Surgical incision of the brain or meninges | 4 | 5-013.1 |  | 
																			
											| Surgical access to the thoracic spine | 4 | 5-031.00 |  | 
																			
											| Surgical access to the lumbar spine, sacrum or coccyx | 4 | 5-032.22 |  | 
																			
											| Other operations on the spine | 4 | 5-839.62 |  | 
																			
											| Treatment by the targeted insertion of a needle into a joint with subsequent administration or removal of substances, e.g. fluid | 4 | 8-158.e |  | 
																			
											| Pain control by injecting an anaesthetic into a joint of the spine | 4 | 8-917.11 |  | 
																			
											| Taking a tissue sample (biopsy) of the upper digestive tract, biliary tract or the pancreas by endoscopy | not specified | 1-440.9 |  | 
																			
											| Taking a tissue sample (biopsy) of the liver, biliary tract or the pancreas through the skin, guided by imaging procedures such as ultrasound | not specified | 1-442.0 |  | 
																			
											| Examination of the oesophagus, stomach and duodenum by endoscopy | not specified | 1-632.0 |  | 
																			
											| Examination of the liver by taking a sample of fluid or tissue with a needle | not specified | 1-845 |  | 
																			
											| Ultrasound of the heart (echocardiography) through the oesophagus - TEE | not specified | 3-052 |  | 
																			
											| 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 |  | 
																			
											| Computed tomography of the abdomen with contrast medium | not specified | 3-225 |  | 
																			
											| Computed tomography of the pelvis with contrast medium | not specified | 3-226 |  | 
																			
											| Computed tomography (CT) of the musculoskeletal system with contrast medium | not specified | 3-227 |  | 
																			
											| Computed tomography (CT) of the blood vessels other than the main arteries and veins near the heart with contrast medium | not specified | 3-228 |  | 
																			
											| Magnetic resonance imaging (MRI) of the musculoskeletal system without contrast medium | not specified | 3-806 |  | 
																			
											| Magnetic resonance imaging (MRI) of the head with contrast medium | not specified | 3-820 |  | 
																			
											| Magnetic resonance imaging (MRI) of the chest with contrast medium | not specified | 3-822 |  | 
																			
											| Magnetic resonance imaging (MRI) of the blood vessels apart from the main arteries and veins near the heart with contrast medium | not specified | 3-828 |  | 
																			
											| Magnetic resonance imaging (MRI) of the pelvis with contrast medium | not specified | 3-82a |  | 
																			
											| Surgical opening of the top of the skull | not specified | 5-010.00 |  | 
																			
											| Surgical opening of the top of the skull | not specified | 5-010.03 |  | 
																			
											| Surgical opening of the top of the skull | not specified | 5-010.2 |  | 
																			
											| Surgical incision into the bones of the skull without further measures | not specified | 5-012.7 |  | 
																			
											| Surgical incision of the brain or meninges | not specified | 5-013.40 |  | 
																			
											| Surgical removal or destruction of diseased tissue in the bones of the skull | not specified | 5-016.2 |  | 
																			
											| Surgical removal or destruction of diseased tissue in the bones of the skull | not specified | 5-016.3 |  | 
																			
											| Reconstructive operations on the meninges | not specified | 5-021.0 |  | 
																			
											| Surgical access to the area between the head and neck or to the cervical spine | not specified | 5-030.40 |  | 
																			
											| Surgical access to the area between the head and neck or to the cervical spine | not specified | 5-030.72 |  | 
																			
											| Surgical access to the thoracic spine | not specified | 5-031.01 |  | 
																			
											| Surgical access to the thoracic spine | not specified | 5-031.10 |  | 
																			
											| Surgical access to the thoracic spine | not specified | 5-031.20 |  | 
																			
											| Surgical access to the lumbar spine, sacrum or coccyx | not specified | 5-032.12 |  | 
																			
											| Surgical access to the lumbar spine, sacrum or coccyx | not specified | 5-032.31 |  | 
																			
											| Surgical access to the lumbar spine, sacrum or coccyx | not specified | 5-032.40 |  | 
																			
											| Surgical access to the lumbar spine, sacrum or coccyx | not specified | 5-032.8 |  | 
																			
											| Surgical incision into the spinal canal | not specified | 5-033.0 |  | 
																			
											| Surgical incision into the spinal canal | not specified | 5-033.2 |  | 
																			
											| Surgical removal or destruction of diseased tissue in the spinal cord or spinal meninges | not specified | 5-035.6 |  | 
																			
											| Reconstructive operations on the spinal cord or spinal meninges | not specified | 5-036.8 |  | 
																			
											| Removal of the devices used to fix bone fragments, e.g. in fractures | not specified | 5-787.1r |  | 
																			
											| 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 | 5-830.1 |  | 
																			
											| Surgical incision into diseased bone or joint tissue in the spine | not specified | 5-830.2 |  | 
																			
											| Surgical removal of diseased intervertebral disc tissue | not specified | 5-831.6 |  | 
																			
											| Surgical removal of diseased intervertebral disc tissue | not specified | 5-831.a |  | 
																			
											| Surgical removal of diseased bone or joint tissue in the spine | not specified | 5-832.x |  | 
																			
											| Surgical stiffening of the spine - spondylodesis | not specified | 5-836.31 |  | 
																			
											| Surgical stiffening of the spine - spondylodesis | not specified | 5-836.40 |  | 
																			
											| Surgical stiffening of the spine - spondylodesis | not specified | 5-836.41 |  | 
																			
											| Other operations on the spine | not specified | 5-839.0 |  | 
																			
											| Other operations on the spine | not specified | 5-839.5 |  | 
																			
											| Other operations on the spine | not specified | 5-839.90 |  | 
																			
											| Other operations on the spine | not specified | 5-839.a1 |  | 
																			
											|  | not specified | 5-83b.20 |  | 
																			
											|  | not specified | 5-83b.32 |  | 
																			
											|  | not specified | 5-83b.72 |  | 
																			
											|  | not specified | 5-83w.0 |  | 
																			
											| Other surgical incision into the skin or subcutaneous tissues | not specified | 5-892.06 |  | 
																			
											| Other surgical incision into the skin or subcutaneous tissues | not specified | 5-892.15 |  | 
																			
											| Other surgical incision into the skin or subcutaneous tissues | not specified | 5-892.1a |  | 
																			
											|  | not specified | 5-896.0a |  | 
																			
											| Use of specific bone substitutes and material for bone augmentation, which are free of allergenic substances | not specified | 5-931.0 |  | 
																			
											| Treatment by injecting a medicine into an organ or tissue, or removal of excess fluid (effusion) e.g. from the joints | not specified | 8-020.5 |  | 
																			
											| Interdisciplinary measures for early postoperative treatment and early rehabilitation of ill elderly people | not specified | 8-550.0 |  | 
																			
											| Interdisciplinary measures for early postoperative treatment and early rehabilitation of ill elderly people | not specified | 8-550.1 |  | 
																			
											| Insertion of a tube into the trachea for ventilation - intubation | not specified | 8-701 |  | 
																			
											| Transfusion of blood, red blood cells or platelets from a donor to a recipient | not specified | 8-800.c0 |  | 
																			
											| Transfusion of other plasma components or genetically engineered blood proteins | not specified | 8-812.56 |  | 
																			
											|  | not specified | 8-831.00 |  | 
																			
											| Pain control by injecting an anaesthetic into a joint of the spine | not specified | 8-917.03 |  | 
																			
											| Pain control by injecting an anaesthetic into a joint of the spine | not specified | 8-917.0x |  | 
																			
											| Treatment on the intensive care unit (basic procedures) | not specified | 8-980.0 |  | 
																			
											| Treatment on the intensive care unit (basic procedures) | not specified | 8-980.10 |  | 
																			
											|  | not specified | 8-98g.10 |  | 
																			
											|  | not specified | 9-984.9 |  | 
																			
											|  | not specified | 9-984.a |  | 
																			
											|  | not specified | 9-984.b |  |