| Service | Number of cases | OPS key | Info | 
																			
											| Operation with the smallest possible incision into the skin and minimal tissue damage (minimally invasive) | 278 | 5-986.x |  | 
																			
											| Surgical implantation of artificial knee joint | 212 | 5-822.g1 |  | 
																			
											| Surgical implantation of an artificial hip joint | 188 | 5-820.00 |  | 
																			
											| Comprehensive pain control for acute pain | 148 | 8-919 |  | 
																			
											| Regional pain control by injecting an anaesthetic into a space in the spinal canal (epidural space) | 105 | 8-910 |  | 
																			
											| Operation using a navigation system which produces real-time 3-D images of the surgical site during the operation | 88 | 5-988.3 |  | 
																			
											| Surgical implantation of an artificial hip joint | 81 | 5-820.94 |  | 
																			
											| Surgical implantation of artificial knee joint | 74 | 5-822.01 |  | 
																			
											| Surgical implantation of artificial knee joint | 47 | 5-822.81 |  | 
																			
											| Operation on the articular cartilage or on the cartilage discs (menisci) by endoscopy (arthroscopy) | 45 | 5-812.5 |  | 
																			
											| Taking a tissue sample (biopsy) of joints or bursae through a surgical incision | 33 | 1-504.6 |  | 
																			
											| Taking a tissue sample (biopsy) of joints or bursae through a surgical incision | 30 | 1-504.7 |  | 
																			
											| Surgical implantation of an artificial hip joint | 25 | 5-820.02 |  | 
																			
											| Operation on the synovium by endoscopy (arthroscopy) | 24 | 5-811.2h |  | 
																			
											| Examination of a joint by endoscopy | 22 | 1-697.7 |  | 
																			
											|  | 22 | 5-816.1 |  | 
																			
											| Other operations to secure or restore the function of a joint | 20 | 5-829.e |  | 
																			
											| Operation on the articular cartilage or on the cartilage discs (menisci) by endoscopy (arthroscopy) | 19 | 5-812.eh |  | 
																			
											| Treatment of pain by the introduction of a liquid anaesthetic around other nerves outside the brain and spinal cord | 19 | 8-915 |  | 
																			
											| Surgical procedure on a joint by endoscopy | 18 | 5-810.2g |  | 
																			
											| Surgical transplantation or transposition of bone tissue | 17 | 5-784.0k |  | 
																			
											| Surgical removal of bone tissue for purposes of transplantation | 13 | 5-783.0h |  | 
																			
											| Operation on the articular cartilage or on the cartilage discs (menisci) by endoscopy (arthroscopy) | 13 | 5-812.fh |  | 
																			
											|  | 12 | 9-984.7 |  | 
																			
											| Transfusion of blood, red blood cells or platelets from a donor to a recipient | 11 | 8-800.c0 |  | 
																			
											| Open surgical procedure on a joint | 10 | 5-800.5g |  | 
																			
											| Surgical fixation of the bone fragments, e.g. in fractures, using devices such as screws or plates | 8 | 5-786.0 |  | 
																			
											| Operation on the synovium by endoscopy (arthroscopy) | 8 | 5-811.2g |  | 
																			
											|  | 8 | 9-984.6 |  | 
																			
											| Open surgical procedure on a joint | 7 | 5-800.0h |  | 
																			
											| Operation on bones of the foot | 6 | 5-788.5e |  | 
																			
											| Surgical procedure on a joint by endoscopy | 6 | 5-810.4h |  | 
																			
											| Operation on the synovium by endoscopy (arthroscopy) | 6 | 5-811.3h |  | 
																			
											| Operation on the articular cartilage or on the cartilage discs (menisci) by endoscopy (arthroscopy) | 6 | 5-812.6 |  | 
																			
											| Operation on the articular cartilage or on the cartilage discs (menisci) by endoscopy (arthroscopy) | 6 | 5-812.fg |  | 
																			
											| Surgical implantation of artificial knee joint | 6 | 5-822.h1 |  | 
																			
											| Other operations on the muscles, tendons, their connective tissue sheaths or bursae | 6 | 5-859.28 |  | 
																			
											| Open surgical procedure on a joint | 5 | 5-800.5h |  | 
																			
											| Surgical removal of bone tissue for purposes of transplantation | 4 | 5-783.0f |  | 
																			
											| Surgical removal of bone tissue for purposes of transplantation | 4 | 5-783.0k |  | 
																			
											| Surgical removal of bone tissue for purposes of transplantation | 4 | 5-783.0x |  | 
																			
											| Surgical transplantation or transposition of bone tissue | 4 | 5-784.0d |  | 
																			
											| Surgical transplantation or transposition of bone tissue | 4 | 5-784.0x |  | 
																			
											| Operation on the synovium by endoscopy (arthroscopy) | 4 | 5-811.0h |  | 
																			
											| Operation on the synovium by endoscopy (arthroscopy) | 4 | 5-811.1h |  | 
																			
											| Re-operation, exchange or removal of an artificial knee joint | 4 | 5-823.27 |  | 
																			
											| Other operations to secure or restore the function of a joint | 4 | 5-829.k4 |  | 
																			
											| Other operations to secure or restore the function of a joint | 4 | 5-829.p |  | 
																			
											| Revision operations | 4 | 5-983 |  | 
																			
											| Taking a tissue sample (biopsy) during arthroscopy | not specified | 1-482.6 |  | 
																			
											| Taking a tissue sample (biopsy) during arthroscopy | not specified | 1-482.7 |  | 
																			
											| Taking a tissue sample (biopsy) of muscle or soft tissue through a surgical incision | not specified | 1-502.5 |  | 
																			
											| Taking a tissue sample (biopsy) of joints or bursae through a surgical incision | not specified | 1-504.8 |  | 
																			
											| Examination of a joint by endoscopy | not specified | 1-697.3 |  | 
																			
											| Examination of a joint or of a bursa by taking a sample of fluid or tissue with a needle | not specified | 1-854.6 |  | 
																			
											| Computed tomography (CT) of the head without contrast medium | not specified | 3-200 |  | 
																			
											| Computed tomography (CT) of the chest without contrast medium | not specified | 3-202 |  | 
																			
											| Computed tomography (CT) of the spine and the spinal cord without contrast medium | not specified | 3-203 |  | 
																			
											| Computed tomography (CT) of the musculoskeletal system without contrast medium | not specified | 3-205 |  | 
																			
											| Computed tomography (CT) of the pelvis without contrast medium | not specified | 3-206 |  | 
																			
											| Computed tomography of the chest with contrast medium | not specified | 3-222 |  | 
																			
											| Computed tomography of the abdomen with contrast medium | not specified | 3-225 |  | 
																			
											| Surgical removal of individual lymph nodes or lymphatic vessels | not specified | 5-401.c |  | 
																			
											| Surgical incision into bony tissue because of sterile or infected contaminated bone disease | not specified | 5-780.1h |  | 
																			
											| Surgical incision into bony tissue because of sterile or infected contaminated bone disease | not specified | 5-780.3h |  | 
																			
											| Surgical incision into bony tissue because of sterile or infected contaminated bone disease | not specified | 5-780.8k |  | 
																			
											| Surgical separation of bony tissue to compensate for malalignment | not specified | 5-781.ak |  | 
																			
											| Surgical removal of diseased bone tissue | not specified | 5-782.1n |  | 
																			
											| Surgical removal of bone tissue for purposes of transplantation | not specified | 5-783.0d |  | 
																			
											| Surgical removal of bone tissue for purposes of transplantation | not specified | 5-783.0n |  | 
																			
											| Surgical removal of bone tissue for purposes of transplantation | not specified | 5-783.4f |  | 
																			
											| Surgical removal of bone tissue for purposes of transplantation | not specified | 5-783.6h |  | 
																			
											| Surgical transplantation or transposition of bone tissue | not specified | 5-784.0f |  | 
																			
											| Surgical transplantation or transposition of bone tissue | not specified | 5-784.0h |  | 
																			
											| Surgical transplantation or transposition of bone tissue | not specified | 5-784.0u |  | 
																			
											| Surgical transplantation or transposition of bone tissue | not specified | 5-784.0v |  | 
																			
											| Surgical transplantation or transposition of bone tissue | not specified | 5-784.7d |  | 
																			
											| Implantation of synthetic bone material | not specified | 5-785.4h |  | 
																			
											| Implantation of synthetic bone material | not specified | 5-785.4k |  | 
																			
											| Surgical fixation of the bone fragments, e.g. in fractures, using devices such as screws or plates | not specified | 5-786.1 |  | 
																			
											| Surgical fixation of the bone fragments, e.g. in fractures, using devices such as screws or plates | not specified | 5-786.2 |  | 
																			
											| Surgical fixation of the bone fragments, e.g. in fractures, using devices such as screws or plates | not specified | 5-786.7 |  | 
																			
											| Surgical fixation of the bone fragments, e.g. in fractures, using devices such as screws or plates | not specified | 5-786.e |  | 
																			
											| Removal of the devices used to fix bone fragments, e.g. in fractures | not specified | 5-787.0k |  | 
																			
											| Removal of the devices used to fix bone fragments, e.g. in fractures | not specified | 5-787.1h |  | 
																			
											| Removal of the devices used to fix bone fragments, e.g. in fractures | not specified | 5-787.1k |  | 
																			
											| Removal of the devices used to fix bone fragments, e.g. in fractures | not specified | 5-787.1n |  | 
																			
											| Removal of the devices used to fix bone fragments, e.g. in fractures | not specified | 5-787.1r |  | 
																			
											| Removal of the devices used to fix bone fragments, e.g. in fractures | not specified | 5-787.1v |  | 
																			
											| Removal of the devices used to fix bone fragments, e.g. in fractures | not specified | 5-787.3k |  | 
																			
											| Removal of the devices used to fix bone fragments, e.g. in fractures | not specified | 5-787.3r |  | 
																			
											| Removal of the devices used to fix bone fragments, e.g. in fractures | not specified | 5-787.3u |  | 
																			
											| Removal of the devices used to fix bone fragments, e.g. in fractures | not specified | 5-787.kk |  | 
																			
											| Operation on bones of the foot | not specified | 5-788.57 |  | 
																			
											| Operation on bones of the foot | not specified | 5-788.5j |  | 
																			
											| Operation on bones of the foot | not specified | 5-788.60 |  | 
																			
											| 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 | 5-790.1j |  | 
																			
											| Surgical reduction of a simple fracture in the joint region of a long bone | not specified | 5-793.11 |  | 
																			
											| Surgical reduction of a simple fracture in the joint region of a long bone | not specified | 5-793.1r |  | 
																			
											| Surgical reduction of a simple fracture in the joint region of a long bone | not specified | 5-793.3r |  | 
																			
											| 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 | 5-794.1j |  | 
																			
											| Open surgical procedure on a joint | not specified | 5-800.3g |  | 
																			
											| Open surgical procedure on a joint | not specified | 5-800.3h |  | 
																			
											| Open surgical procedure on a joint | not specified | 5-800.3k |  | 
																			
											| Open surgical procedure on a joint | not specified | 5-800.4g |  | 
																			
											| Open surgical procedure on a joint | not specified | 5-800.4h |  | 
																			
											| Open surgical procedure on a joint | not specified | 5-800.4k |  | 
																			
											| Open surgical procedure on a joint | not specified | 5-800.8h |  | 
																			
											| Open surgical procedure on a joint | not specified | 5-800.bg |  | 
																			
											| Operation on the articular cartilage or on the cartilage discs (menisci) | not specified | 5-801.4h |  | 
																			
											| Operation on the articular cartilage or on the cartilage discs (menisci) | not specified | 5-801.nh |  | 
																			
											| Surgical re-fixation and suture of the capsule or ligaments of the knee joint | not specified | 5-802.4 |  | 
																			
											|  | not specified | 5-802.a |  | 
																			
											| Operation on the kneecap (patella) or its ligaments | not specified | 5-804.2 |  | 
																			
											| Operation on the kneecap (patella) or its ligaments | not specified | 5-804.5 |  | 
																			
											| Surgical stiffening of a joint (ankylosis) | not specified | 5-808.71 |  | 
																			
											| Surgical stiffening of a joint (ankylosis) | not specified | 5-808.a4 |  | 
																			
											| Surgical stiffening of a joint (ankylosis) | not specified | 5-808.a6 |  | 
																			
											| Surgical stiffening of a joint (ankylosis) | not specified | 5-808.b0 |  | 
																			
											| Surgical procedure on a joint by endoscopy | not specified | 5-810.0h |  | 
																			
											| Surgical procedure on a joint by endoscopy | not specified | 5-810.20 |  | 
																			
											| Surgical procedure on a joint by endoscopy | not specified | 5-810.2k |  | 
																			
											| Surgical procedure on a joint by endoscopy | not specified | 5-810.9h |  | 
																			
											| Operation on the synovium by endoscopy (arthroscopy) | not specified | 5-811.20 |  | 
																			
											| Operation on the synovium by endoscopy (arthroscopy) | not specified | 5-811.3g |  | 
																			
											| Operation on the synovium by endoscopy (arthroscopy) | not specified | 5-811.3k |  | 
																			
											| Operation on the synovium by endoscopy (arthroscopy) | not specified | 5-811.4h |  | 
																			
											| Operation on the articular cartilage or on the cartilage discs (menisci) by endoscopy (arthroscopy) | not specified | 5-812.0g |  | 
																			
											| Operation on the articular cartilage or on the cartilage discs (menisci) by endoscopy (arthroscopy) | not specified | 5-812.7 |  | 
																			
											| Operation on the articular cartilage or on the cartilage discs (menisci) by endoscopy (arthroscopy) | not specified | 5-812.eg |  | 
																			
											| Operation on the articular cartilage or on the cartilage discs (menisci) by endoscopy (arthroscopy) | not specified | 5-812.kg |  | 
																			
											| Reconstructive operations on the tendons or ligaments in the knee joint by endoscopy (arthroscopy) | not specified | 5-813.9 |  | 
																			
											| Reconstructive operations on the tendons or ligaments of the shoulder joint by endoscopy (arthroscopy) | not specified | 5-814.3 |  | 
																			
											| Reconstructive operations on the tendons or ligaments of the shoulder joint by endoscopy (arthroscopy) | not specified | 5-814.4 |  | 
																			
											| Other joint surgery by endoscopy (arthroscopy) | not specified | 5-819.2h |  | 
																			
											| Re-operation, exchange or removal of an artificial hip joint | not specified | 5-821.0 |  | 
																			
											| Re-operation, exchange or removal of an artificial hip joint | not specified | 5-821.14 |  | 
																			
											| Re-operation, exchange or removal of an artificial hip joint | not specified | 5-821.18 |  | 
																			
											| Re-operation, exchange or removal of an artificial hip joint | not specified | 5-821.24 |  | 
																			
											| Re-operation, exchange or removal of an artificial hip joint | not specified | 5-821.2a |  | 
																			
											| Re-operation, exchange or removal of an artificial hip joint | not specified | 5-821.2b |  | 
																			
											| Re-operation, exchange or removal of an artificial hip joint | not specified | 5-821.40 |  | 
																			
											| Surgical implantation of artificial knee joint | not specified | 5-822.84 |  | 
																			
											| Surgical implantation of artificial knee joint | not specified | 5-822.92 |  | 
																			
											| Surgical implantation of artificial knee joint | not specified | 5-822.g0 |  | 
																			
											| Re-operation, exchange or removal of an artificial knee joint | not specified | 5-823.19 |  | 
																			
											| Re-operation, exchange or removal of an artificial knee joint | not specified | 5-823.1b |  | 
																			
											| Re-operation, exchange or removal of an artificial knee joint | not specified | 5-823.51 |  | 
																			
											| Re-operation, exchange or removal of an artificial knee joint | not specified | 5-823.7 |  | 
																			
											| Surgical implantation of an artificial joint in the leg, other than the knee or hip | not specified | 5-826.00 |  | 
																			
											| Other operations to secure or restore the function of a joint | not specified | 5-829.6 |  | 
																			
											| Other operations to secure or restore the function of a joint | not specified | 5-829.9 |  | 
																			
											| Other operations to secure or restore the function of a joint | not specified | 5-829.h |  | 
																			
											| Other operations to secure or restore the function of a joint | not specified | 5-829.m |  | 
																			
											| Other operations to secure or restore the function of a joint | not specified | 5-829.n |  | 
																			
											| Surgical stiffening of the joints of the hand apart from the wrist | not specified | 5-846.4 |  | 
																			
											| Surgical incision into the muscles, tendons or their connective tissue sheaths | not specified | 5-850.b8 |  | 
																			
											| Surgical incision into the muscles, tendons or their connective tissue sheaths | not specified | 5-850.c8 |  | 
																			
											| Surgical incision into the muscles, tendons or their connective tissue sheaths | not specified | 5-850.d7 |  | 
																			
											| Surgical incision into the muscles, tendons or their connective tissue sheaths | not specified | 5-850.d8 |  | 
																			
											| Reconstructive operations on the tendons | not specified | 5-854.0b |  | 
																			
											| Reconstructive operations on the tendons | not specified | 5-854.0c |  | 
																			
											| Reconstructive operations on the tendons | not specified | 5-854.2c |  | 
																			
											| Suturing or other operations on a tendon or a synovial sheath | not specified | 5-855.08 |  | 
																			
											| Suturing or other operations on a tendon or a synovial sheath | not specified | 5-855.18 |  | 
																			
											| Suturing or other operations on a tendon or a synovial sheath | not specified | 5-855.19 |  | 
																			
											| Reconstructive operations by moving flaps of the body-s own skin or fat, which are fixed to the muscles or their connective tissue sheaths | not specified | 5-857.49 |  | 
																			
											| Other operations on the muscles, tendons, their connective tissue sheaths or bursae | not specified | 5-859.18 |  | 
																			
											| Other operations on the bone, muscles or joints | not specified | 5-869.1 |  | 
																			
											| Other operations on the bone, muscles or joints | not specified | 5-869.2 |  | 
																			
											|  | not specified | 5-86a.10 |  | 
																			
											| 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 | 5-892.2f |  | 
																			
											| Surgical removal of diseased tissue from the skin or subcutaneous tissues | not specified | 5-894.1e |  | 
																			
											| Surgical removal of diseased tissue from the skin or subcutaneous tissues | not specified | 5-894.1f |  | 
																			
											| Surgical removal of diseased tissue from the skin or subcutaneous tissues | not specified | 5-894.1g |  | 
																			
											| Extensive surgical removal of diseased tissue from the skin or subcutaneous tissues | not specified | 5-895.2e |  | 
																			
											|  | not specified | 5-896.1e |  | 
																			
											| Temporary covering of soft tissue injuries with skin or artificial skin | not specified | 5-916.a0 |  | 
																			
											| Use of specific bone substitutes and material for bone augmentation, which are free of allergenic substances | not specified | 5-931.0 |  | 
																			
											| Operation using a navigation system which produces real-time 3-D images of the surgical site during the operation | not specified | 5-988.x |  | 
																			
											| Specific dressing techniques | not specified | 8-190.20 |  | 
																			
											| 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 | not specified | 8-930 |  | 
																			
											|  | not specified | 9-984.8 |  |