| Service | Number of cases | OPS key | Info | 
																			
											|  | 36 | 9-984.7 |  | 
																			
											| Surgical tooth extraction by opening the jawbone | 35 | 5-231.03 |  | 
																			
											| Surgical tooth extraction by opening the jawbone | 28 | 5-231.00 |  | 
																			
											|  | 24 | 9-984.8 |  | 
																			
											| Other operations on the temporomandibular joint or bones of the face | 21 | 5-779.3 |  | 
																			
											| Surgical tooth extraction by opening the jawbone | 18 | 5-231.02 |  | 
																			
											| Surgical incision and drainage of fluid from the mouth, jaw or facial region | 18 | 5-270.6 |  | 
																			
											| Extensive surgical removal of diseased tissue from the skin or subcutaneous tissues | 16 | 5-895.54 |  | 
																			
											| Tooth extraction | 15 | 5-230.3 |  | 
																			
											| Surgical division, removal or destruction of (diseased tissue in) bones of the face | 10 | 5-770.11 |  | 
																			
											| Surgical tooth extraction by opening the jawbone | 9 | 5-231.01 |  | 
																			
											|  | 9 | 9-984.A |  | 
																			
											|  | 8 | 1-611.00 |  | 
																			
											| Tooth extraction | 8 | 5-230.1 |  | 
																			
											| Surgical removal of jawbone damaged as a result of dental disease | 8 | 5-243.3 |  | 
																			
											| Surgical incision, removal or destruction of diseased tissue in the oral cavity | 8 | 5-273.1 |  | 
																			
											| Other operations on the mouth | 8 | 5-279.0 |  | 
																			
											| Extensive surgical removal of diseased tissue from the skin or subcutaneous tissues | 8 | 5-895.34 |  | 
																			
											| Examination of the oesophagus by endoscopy | 7 | 1-630.1 |  | 
																			
											| Surgical incision, removal or destruction of diseased tissue in the oral cavity | 7 | 5-273.0 |  | 
																			
											| Surgical incision, removal or destruction of diseased tissue in the oral cavity | 7 | 5-273.2 |  | 
																			
											| Surgical division of the bone for transposition of the lower face | 7 | 5-776.4 |  | 
																			
											| Examination of the larynx by endoscopy | 6 | 1-610.0 |  | 
																			
											| Operation on the maxillary sinuses | 6 | 5-221.7 |  | 
																			
											| Surgical correction or reconstruction of the alveolar ridge or vestibule of the mouth | 6 | 5-244.20 |  | 
																			
											| Complete, surgical removal of all the lymph nodes in the neck - neck dissection | 6 | 5-403.03 |  | 
																			
											| Surgical reduction of a fracture of the anterior lower jaw | 6 | 5-764.13 |  | 
																			
											| Surgical division for transposition of the midface | 6 | 5-777.30 |  | 
																			
											| Extensive surgical removal of diseased tissue from the skin or subcutaneous tissues | 6 | 5-895.24 |  | 
																			
											| Surgical removal of a salivary gland | 5 | 5-262.04 |  | 
																			
											| Surgical incision and drainage of fluid from the mouth, jaw or facial region | 5 | 5-270.5 |  | 
																			
											| Skin grafting from the area around the wound | 5 | 5-903.54 |  | 
																			
											|  | 5 | 9-984.9 |  | 
																			
											| Surgical removal or destruction of diseased tissue in the nose | 4 | 5-212.0 |  | 
																			
											| Corrective surgery on the external nose | 4 | 5-217.1 |  | 
																			
											| Corrective surgery on the paranasal sinuses | 4 | 5-225.5 |  | 
																			
											| Tooth extraction | 4 | 5-230.0 |  | 
																			
											| Tooth extraction | 4 | 5-230.2 |  | 
																			
											| Surgical removal of jawbone damaged as a result of dental disease | 4 | 5-243.4 |  | 
																			
											| Surgical removal or destruction of the (diseased) hard or soft palate | 4 | 5-272.1 |  | 
																			
											| Surgical reduction of a fracture with separation of the whole midface from the base of the skull | 4 | 5-762.13 |  | 
																			
											| Other operations on bones of the face | 4 | 5-769.2 |  | 
																			
											| Partial or complete removal of the lower jawbone | 4 | 5-772.00 |  | 
																			
											| Skin grafting [site of removal and nature of the piece of skin removed] | 4 | 5-901.15 |  | 
																			
											| Skin grafting from the area around the wound | 4 | 5-903.64 |  | 
																			
											|  | 4 | 5-903.X4 |  | 
																			
											| Taking a tissue sample (biopsy) of the mouth or oral cavity without surgical incision | not specified | 1-420.1 |  | 
																			
											| Taking a tissue sample (biopsy) of the larynx without surgical incision | not specified | 1-421.0 |  | 
																			
											| Taking a tissue sample (biopsy) of the throat (pharynx) without surgical incision | not specified | 1-422.01 |  | 
																			
											| Taking a tissue sample (biopsy) of muscle or soft tissue through a surgical incision | not specified | 1-502.1 |  | 
																			
											| Taking a tissue sample (biopsy) of bone through a surgical incision | not specified | 1-503.0 |  | 
																			
											| Taking a tissue sample (biopsy) of the mouth or oral cavity through a surgical incision | not specified | 1-545.3 |  | 
																			
											| Taking a tissue sample (biopsy) of the oral pharynx through a surgical incision | not specified | 1-546 |  | 
																			
											| Taking a tissue sample (biopsy) of lymph nodes through a surgical incision | not specified | 1-586.0 |  | 
																			
											| Examination of the oesophagus, stomach and duodenum by endoscopy | not specified | 1-632.0 |  | 
																			
											| Any other endoscopy through a stab incision, surgical opening or during an operation | not specified | 1-699.0 |  | 
																			
											| Operation to divide adhesions around a nerve or to relieve pressure on the nerve or to abolish the nerve function | not specified | 5-056.0 |  | 
																			
											| Surgical removal or destruction of (diseased) tissue in the eyelid | not specified | 5-091.20 |  | 
																			
											| Surgical removal or destruction of (diseased) tissue in the eyelid | not specified | 5-091.30 |  | 
																			
											| Other reconstructive operations on the eyelids | not specified | 5-096.00 |  | 
																			
											| Surgical removal or destruction of diseased tissue in the outer ear | not specified | 5-181.3 |  | 
																			
											| Surgical incision into the eardrum (tympanic membrane) | not specified | 5-200.5 |  | 
																			
											| Surgical removal or destruction of diseased tissue in the nose | not specified | 5-212.1 |  | 
																			
											| Surgical removal of the nose | not specified | 5-213.0 |  | 
																			
											| Surgical reduction of a broken nose | not specified | 5-216.0 |  | 
																			
											| Corrective surgery on the external nose | not specified | 5-217.2 |  | 
																			
											| Corrective surgery on the internal or external nose | not specified | 5-218.40 |  | 
																			
											| Operation on the maxillary sinuses | not specified | 5-221.0 |  | 
																			
											| Operation on the maxillary sinuses | not specified | 5-221.4 |  | 
																			
											| Tooth extraction | not specified | 5-230.5 |  | 
																			
											| Surgical tooth extraction by opening the jawbone | not specified | 5-231.10 |  | 
																			
											| Surgical tooth extraction by opening the jawbone | not specified | 5-231.11 |  | 
																			
											| Surgical tooth extraction by opening the jawbone | not specified | 5-231.12 |  | 
																			
											| Surgical tooth extraction by opening the jawbone | not specified | 5-231.13 |  | 
																			
											| Surgical tooth extraction by opening the jawbone | not specified | 5-231.20 |  | 
																			
											| Surgical tooth extraction by opening the jawbone | not specified | 5-231.21 |  | 
																			
											| Surgical tooth extraction by opening the jawbone | not specified | 5-231.23 |  | 
																			
											| Surgical tooth extraction by opening the jawbone | not specified | 5-231.32 |  | 
																			
											| Surgical tooth extraction by opening the jawbone | not specified | 5-231.50 |  | 
																			
											| Surgical tooth extraction by opening the jawbone | not specified | 5-231.53 |  | 
																			
											|  | not specified | 5-231.X0 |  | 
																			
											|  | not specified | 5-231.X2 |  | 
																			
											|  | not specified | 5-231.X3 |  | 
																			
											| Replacing, transplanting, implanting or stabilising a tooth | not specified | 5-235.7 |  | 
																			
											| Removal of dental roots or root canal treatment | not specified | 5-237.10 |  | 
																			
											| Removal of dental roots or root canal treatment | not specified | 5-237.12 |  | 
																			
											| Removal of dental roots or root canal treatment | not specified | 5-237.20 |  | 
																			
											| Surgical incision into the gums (gingiva) or surgical opening of the alveolar ridge | not specified | 5-240.0 |  | 
																			
											| Corrective surgery on the gums (gingiva) | not specified | 5-241.0 |  | 
																			
											| Other operations on the gums (gingiva) | not specified | 5-242.2 |  | 
																			
											| Other operations on the gums (gingiva) | not specified | 5-242.3 |  | 
																			
											| Surgical removal of jawbone damaged as a result of dental disease | not specified | 5-243.0 |  | 
																			
											| Surgical removal of jawbone damaged as a result of dental disease | not specified | 5-243.1 |  | 
																			
											| Tooth exposure | not specified | 5-245.1 |  | 
																			
											| Other operations or other measures on the teeth, gums (gingival) or alveoli | not specified | 5-249.0 |  | 
																			
											| Other operations or other measures on the teeth, gums (gingival) or alveoli | not specified | 5-249.2 |  | 
																			
											| Surgical incision, removal or destruction of diseased tissue in the tongue | not specified | 5-250.0 |  | 
																			
											| Surgical incision, removal or destruction of diseased tissue in the tongue | not specified | 5-250.2 |  | 
																			
											|  | not specified | 5-251.0X |  | 
																			
											|  | not specified | 5-252.0X |  | 
																			
											| Reconstructive operations on the tongue | not specified | 5-253.0 |  | 
																			
											| Reconstructive operations on the tongue | not specified | 5-253.1 |  | 
																			
											| Other operations on the tongue | not specified | 5-259.2 |  | 
																			
											| Surgical removal of diseased tissue from a salivary gland or a salivary duct | not specified | 5-261.3 |  | 
																			
											| Surgical removal of a salivary gland | not specified | 5-262.02 |  | 
																			
											| Surgical incision and drainage of fluid from the mouth, jaw or facial region | not specified | 5-270.2 |  | 
																			
											| Surgical incision and drainage of fluid from the mouth, jaw or facial region | not specified | 5-270.3 |  | 
																			
											| Surgical incision and drainage of fluid from the mouth, jaw or facial region | not specified | 5-270.7 |  | 
																			
											|  | not specified | 5-270.X |  | 
																			
											| Surgical removal or destruction of the (diseased) hard or soft palate | not specified | 5-272.0 |  | 
																			
											| Surgical incision, removal or destruction of diseased tissue in the oral cavity | not specified | 5-273.3 |  | 
																			
											| Surgical incision, removal or destruction of diseased tissue in the oral cavity | not specified | 5-273.8 |  | 
																			
											|  | not specified | 5-273.X |  | 
																			
											| Corrective surgery on the floor of the mouth | not specified | 5-274.1 |  | 
																			
											| Corrective surgery on the floor of the mouth | not specified | 5-274.2 |  | 
																			
											| Corrective surgery on the hard palate - palatoplasty | not specified | 5-275.1 |  | 
																			
											| Corrective surgery on the hard palate - palatoplasty | not specified | 5-275.9 |  | 
																			
											|  | not specified | 5-275.X |  | 
																			
											|  | not specified | 5-276.A |  | 
																			
											|  | not specified | 5-277.0X |  | 
																			
											| Surgical removal of the floor of the mouth with reconstruction | not specified | 5-277.22 |  | 
																			
											| Surgical removal of the cheek with reconstruction | not specified | 5-278.00 |  | 
																			
											| Operation on usually fluid-filled cavities in the neck, which have not completely closed since birth (remnants of the branchial cleft) | not specified | 5-291.0 |  | 
																			
											| Operation on usually fluid-filled cavities in the neck, which have not completely closed since birth (remnants of the branchial cleft) | not specified | 5-291.1 |  | 
																			
											| Insertion of a temporary, artificial tracheal opening | not specified | 5-311.0 |  | 
																			
											| Reconstructive operations on the trachea | not specified | 5-316.2 |  | 
																			
											| Other reconstructive operations on the blood vessels | not specified | 5-397.91 |  | 
																			
											| Surgical incision into lymph nodes or lymphatic vessels | not specified | 5-400 |  | 
																			
											| Surgical removal of individual lymph nodes or lymphatic vessels | not specified | 5-401.00 |  | 
																			
											| Surgical insertion of a tube into the stomach through the abdominal wall for artificial feeding | not specified | 5-431.20 |  | 
																			
											| Surgical reduction of a fracture of the centre of the midface, especially of the upper jaw (maxilla) or the medial wall of the eye socket (orbit) or the bones of the nose | not specified | 5-761.13 |  | 
																			
											| Surgical reduction of a fracture of the centre of the midface, especially of the upper jaw (maxilla) or the medial wall of the eye socket (orbit) or the bones of the nose | not specified | 5-761.2 |  | 
																			
											| Surgical reduction of a fracture of the centre of the midface, especially of the upper jaw (maxilla) or the medial wall of the eye socket (orbit) or the bones of the nose | not specified | 5-761.33 |  | 
																			
											|  | not specified | 5-761.3X |  | 
																			
											| Surgical reduction of a fracture of the anterior lower jaw | not specified | 5-764.23 |  | 
																			
											| Surgical reduction of a fracture of the anterior lower jaw | not specified | 5-764.43 |  | 
																			
											| Surgical reduction of a fracture of the posterior lower jaw | not specified | 5-765.23 |  | 
																			
											| Surgical reduction of a fracture of the posterior lower jaw | not specified | 5-765.43 |  | 
																			
											| Surgical reduction of a fracture of the posterior lower jaw | not specified | 5-765.73 |  | 
																			
											| Surgical reduction of a fracture of the eye socket (orbit) | not specified | 5-766.1 |  | 
																			
											| Surgical division, removal or destruction of (diseased tissue in) bones of the face | not specified | 5-770.5 |  | 
																			
											| Surgical division, removal or destruction of (diseased tissue in) bones of the face | not specified | 5-770.7 |  | 
																			
											| Partial or complete removal of bones of the face | not specified | 5-771.03 |  | 
																			
											|  | not specified | 5-772.0X |  | 
																			
											| Reconstructive operations or augmentation of the lower jawbone (mandible) | not specified | 5-775.70 |  | 
																			
											| Surgical division of the bone for transposition of the lower face | not specified | 5-776.3 |  | 
																			
											| Surgical division for transposition of the midface | not specified | 5-777.40 |  | 
																			
											| Other operations on the temporomandibular joint or bones of the face | not specified | 5-779.92 |  | 
																			
											| Other operations on the temporomandibular joint or bones of the face | not specified | 5-779.93 |  | 
																			
											| Surgical fixation of the bone fragments, e.g. in fractures, using devices such as screws or plates | not specified | 5-786.1 |  | 
																			
											|  | not specified | 5-786.X |  | 
																			
											|  | not specified | 5-787.Y |  | 
																			
											| 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 | 5-857.80 |  | 
																			
											| Removal or transplantation of muscles, tendons or their sheaths with surgical unification of the small blood vessels | not specified | 5-858.03 |  | 
																			
											|  | not specified | 5-894.34 |  | 
																			
											| Extensive surgical removal of diseased tissue from the skin or subcutaneous tissues | not specified | 5-895.14 |  | 
																			
											| Extensive surgical removal of diseased tissue from the skin or subcutaneous tissues | not specified | 5-895.25 |  | 
																			
											|  | not specified | 5-895.2A |  | 
																			
											| Extensive surgical removal of diseased tissue from the skin or subcutaneous tissues | not specified | 5-895.30 |  | 
																			
											| Extensive surgical removal of diseased tissue from the skin or subcutaneous tissues | not specified | 5-895.44 |  | 
																			
											| Extensive surgical removal of diseased tissue from the skin or subcutaneous tissues | not specified | 5-895.50 |  | 
																			
											| Skin grafting [site of removal and nature of the piece of skin removed] | not specified | 5-901.06 |  | 
																			
											|  | not specified | 5-901.0E |  | 
																			
											| Free skin flap grafting [site of removal and nature of the graft] | not specified | 5-902.04 |  | 
																			
											| Free skin flap grafting [site of removal and nature of the graft] | not specified | 5-902.44 |  | 
																			
											| Free skin flap grafting [site of removal and nature of the graft] | not specified | 5-902.48 |  | 
																			
											| Free skin flap grafting [site of removal and nature of the graft] | not specified | 5-902.64 |  | 
																			
											| Skin grafting from the area around the wound | not specified | 5-903.14 |  | 
																			
											| Skin grafting from the area around the wound | not specified | 5-903.50 |  | 
																			
											| Skin grafting from the area around the wound | not specified | 5-903.70 |  | 
																			
											| Skin grafting from the area around the wound | not specified | 5-903.74 |  | 
																			
											| Skin grafting together with the associated blood vessels and nerves [site of removal and nature of the graft] | not specified | 5-904.08 |  | 
																			
											| Skin grafting together with the associated blood vessels and nerves [site of removal and nature of the graft] | not specified | 5-904.14 |  | 
																			
											| Skin grafting together with the associated blood vessels and nerves [site of removal and nature of the graft] | not specified | 5-905.14 |  | 
																			
											| Combined reconstructive operations on the skin or subcutaneous tissues | not specified | 5-906.04 |  | 
																			
											| Re-operation of a skin graft | not specified | 5-907.14 |  | 
																			
											| Corrective surgery on the lips or corner of the mouth | not specified | 5-908.0 |  | 
																			
											| Corrective surgery on the lips or corner of the mouth | not specified | 5-908.1 |  | 
																			
											| Corrective surgery on the lips or corner of the mouth | not specified | 5-908.2 |  | 
																			
											| Corrective surgery on the lips or corner of the mouth | not specified | 5-908.3 |  | 
																			
											| Other reconstructive operations on the skin or subcutaneous tissues | not specified | 5-909.24 |  | 
																			
											|  | not specified | 5-928.X0 |  | 
																			
											| Revision operations | not specified | 5-983 |  | 
																			
											| Removal of a foreign body from the skin without a surgical incision | not specified | 8-102.0 |  | 
																			
											| Treatment of a nose bleed by packing with absorbent material (tamponade) | not specified | 8-500 |  | 
																			
											| Treatment of cardiac arrhythmias with electric shocks - defibrillation | not specified | 8-640.1 |  | 
																			
											| Comprehensive pain control for acute pain | not specified | 8-919 |  | 
																			
											|  | not specified | 9-984.6 |  | 
																			
											|  | not specified | 9-984.B |  |