| Service | 
										Number of cases | 
										OPS key | 
										Info | 
									
																			
											| Surgical removal of the (enlarged) adenoids (without removal of the tonsils) | 
											
																									222
																							 | 
											5-285.0 | 
											    
 | 
										
																			
											| Surgical incision into the eardrum (tympanic membrane) | 
											
																									103
																							 | 
											5-200.4 | 
											    
 | 
										
																			
											| Surgical incision into the eardrum (tympanic membrane) | 
											
																									74
																							 | 
											5-200.5 | 
											    
 | 
										
																			
											| Operation on the inferior nasal concha | 
											
																									73
																							 | 
											5-215.02 | 
											    
 | 
										
																			
											| Surgical removal of the palatine tonsils (without removal of the adenoids) - tonsillectomy without adenoidectomy | 
											
																									63
																							 | 
											5-281.5 | 
											    
 | 
										
																			
											| Treatment of a nose bleed by packing with absorbent material (tamponade) | 
											
																									63
																							 | 
											8-500 | 
											    
 | 
										
																			
											| Surgical removal or reconstruction of the nasal septum | 
											
																									49
																							 | 
											5-214.6 | 
											    
 | 
										
																			
											| Other examination of the function of the nervous system | 
											
																									45
																							 | 
											1-20a.30 | 
											    
 | 
										
																			
											| Surgical treatment of nosebleeds | 
											
																									33
																							 | 
											5-210.1 | 
											    
 | 
										
																			
											| Surgical removal of the palatine tonsils (without removal of the adenoids) - tonsillectomy without adenoidectomy | 
											
																									33
																							 | 
											5-281.0 | 
											    
 | 
										
																			
											| Revision operations | 
											
																									32
																							 | 
											5-983 | 
											    
 | 
										
																			
											 | 
											
																									32
																							 | 
											9-984.7 | 
											    
 | 
										
																			
											| Operation on the maxillary sinuses | 
											
																									29
																							 | 
											5-221.6 | 
											    
 | 
										
																			
											| Measurement of hearing - audiometry | 
											
																									26
																							 | 
											1-242 | 
											    
 | 
										
																			
											| Operation on the ethmoid bone or on the sphenoid sinus | 
											
																									21
																							 | 
											5-222.20 | 
											    
 | 
										
																			
											| Surgical opening or drainage, from the oral cavity, of a pus-filled abscess in the throat | 
											
																									21
																							 | 
											5-280.0 | 
											    
 | 
										
																			
											 | 
											
																									21
																							 | 
											9-984.8 | 
											    
 | 
										
																			
											| Other examination by taking a sample of fluid or tissue with a needle | 
											
																									20
																							 | 
											1-859.x | 
											    
 | 
										
																			
											| Surgical removal of the (enlarged) adenoids (without removal of the tonsils) | 
											
																									20
																							 | 
											5-285.1 | 
											    
 | 
										
																			
											| Surgical removal of the palatine tonsils (without removal of the adenoids) - tonsillectomy without adenoidectomy | 
											
																									14
																							 | 
											5-281.1 | 
											    
 | 
										
																			
											 | 
											
																									13
																							 | 
											9-984.6 | 
											    
 | 
										
																			
											| Surgical removal of the tonsils and adenoids | 
											
																									12
																							 | 
											5-282.0 | 
											    
 | 
										
																			
											| Surgical removal or destruction of diseased tissue in the larynx | 
											
																									11
																							 | 
											5-300.2 | 
											    
 | 
										
																			
											| Other operations on the tonsils or adenoids | 
											
																									10
																							 | 
											5-289.1 | 
											    
 | 
										
																			
											| Dressings for large areas of skin or serious skin diseases | 
											
																									10
																							 | 
											8-191.00 | 
											    
 | 
										
																			
											| Operation on the maxillary sinuses | 
											
																									9
																							 | 
											5-221.1 | 
											    
 | 
										
																			
											| Surgical removal or destruction of diseased tissue in the outer ear | 
											
																									8
																							 | 
											5-181.0 | 
											    
 | 
										
																			
											| Surgical removal or destruction of diseased tissue in the throat (pharynx) | 
											
																									8
																							 | 
											5-292.0 | 
											    
 | 
										
																			
											| Surgical removal or destruction of diseased tissue in the nose | 
											
																									7
																							 | 
											5-212.0 | 
											    
 | 
										
																			
											| Operation on the ethmoid bone or on the sphenoid sinus | 
											
																									7
																							 | 
											5-222.0 | 
											    
 | 
										
																			
											| Operation on several paranasal sinuses | 
											
																									7
																							 | 
											5-224.63 | 
											    
 | 
										
																			
											| Surgical removal or destruction of diseased tissue in the outer ear | 
											
																									6
																							 | 
											5-181.5 | 
											    
 | 
										
																			
											| Operation on the frontal sinuses | 
											
																									6
																							 | 
											5-223.5 | 
											    
 | 
										
																			
											| Surgical removal of a salivary gland | 
											
																									6
																							 | 
											5-262.04 | 
											    
 | 
										
																			
											| Other reconstructive operations on the throat (pharynx) | 
											
																									6
																							 | 
											5-294.4 | 
											    
 | 
										
																			
											| Examination of the larynx by endoscopy | 
											
																									5
																							 | 
											1-610.0 | 
											    
 | 
										
																			
											| Surgical treatment of nosebleeds | 
											
																									5
																							 | 
											5-210.0 | 
											    
 | 
										
																			
											| Surgical removal or reconstruction of the nasal septum | 
											
																									5
																							 | 
											5-214.70 | 
											    
 | 
										
																			
											| Simple surgical closure of the skin or the subcutaneous tissues after injuries, e.g. with a suture | 
											
																									5
																							 | 
											5-900.04 | 
											    
 | 
										
																			
											 | 
											
																									5
																							 | 
											9-984.9 | 
											    
 | 
										
																			
											| Taking a tissue sample (biopsy) of the throat (pharynx) without surgical incision | 
											
																									4
																							 | 
											1-422.01 | 
											    
 | 
										
																			
											| Examination of the oesophagus by endoscopy | 
											
																									4
																							 | 
											1-630.1 | 
											    
 | 
										
																			
											| Surgical removal or destruction of diseased tissue in the nose | 
											
																									4
																							 | 
											5-212.2 | 
											    
 | 
										
																			
											| Surgical reduction of a broken nose | 
											
																									4
																							 | 
											5-216.0 | 
											    
 | 
										
																			
											| Operation on the ethmoid bone or on the sphenoid sinus | 
											
																									4
																							 | 
											5-222.4 | 
											    
 | 
										
																			
											| Other operations on the tonsils or adenoids | 
											
																									4
																							 | 
											5-289.4 | 
											    
 | 
										
																			
											| Surgical removal of individual lymph nodes or lymphatic vessels | 
											
																									4
																							 | 
											5-401.00 | 
											    
 | 
										
																			
											| Other surgical incision into the skin or subcutaneous tissues | 
											
																									4
																							 | 
											5-892.04 | 
											    
 | 
										
																			
											| Transfusion of blood, red blood cells or platelets from a donor to a recipient | 
											
																									4
																							 | 
											8-800.c0 | 
											    
 | 
										
																			
											 | 
											
																									4
																							 | 
											9-984.b | 
											    
 | 
										
																			
											| Examination of the cerebrospinal fluid spaces | 
											
																									not specified     
																							 | 
											1-204.2 | 
											    
 | 
										
																			
											| 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     
																							 | 
											1-208.8 | 
											    
 | 
										
																			
											| Examination of the left side of the heart with a tube (catheter) inserted into the heart via an artery | 
											
																									not specified     
																							 | 
											1-275.0 | 
											    
 | 
										
																			
											| Other investigations of the heart or blood vessels by means of a tube (catheter) | 
											
																									not specified     
																							 | 
											1-279.a | 
											    
 | 
										
																			
											| Taking a tissue sample (biopsy) of the nose without surgical incision | 
											
																									not specified     
																							 | 
											1-414.1 | 
											    
 | 
										
																			
											| Taking a tissue sample (biopsy) of the facial skin without surgical incision | 
											
																									not specified     
																							 | 
											1-415 | 
											    
 | 
										
																			
											| 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 mouth or oral cavity without surgical incision | 
											
																									not specified     
																							 | 
											1-420.6 | 
											    
 | 
										
																			
											| Taking a tissue sample (biopsy) of the larynx without surgical incision | 
											
																									not specified     
																							 | 
											1-421.1 | 
											    
 | 
										
																			
											| Taking a tissue sample (biopsy) of the throat (pharynx) without surgical incision | 
											
																									not specified     
																							 | 
											1-422.0x | 
											    
 | 
										
																			
											| Taking a tissue sample (biopsy) of the throat (pharynx) without surgical incision | 
											
																									not specified     
																							 | 
											1-422.1 | 
											    
 | 
										
																			
											| Taking a tissue sample (biopsy) of the throat (pharynx) without surgical incision | 
											
																									not specified     
																							 | 
											1-422.2 | 
											    
 | 
										
																			
											| Taking a tissue sample (biopsy) of the upper digestive tract, biliary tract or the pancreas by endoscopy | 
											
																									not specified     
																							 | 
											1-440.a | 
											    
 | 
										
																			
											| Taking a tissue sample (biopsy) of brain or meninges through a surgical incision and opening of the top of the skull | 
											
																									not specified     
																							 | 
											1-510.9 | 
											    
 | 
										
																			
											| Taking a tissue sample (biopsy) of the nasal cavity through a surgical incision | 
											
																									not specified     
																							 | 
											1-537 | 
											    
 | 
										
																			
											| Taking a tissue sample (biopsy) of the paranasal sinuses through a surgical incision | 
											
																									not specified     
																							 | 
											1-538 | 
											    
 | 
										
																			
											| Taking a tissue sample (biopsy) of the mouth or oral cavity through a surgical incision | 
											
																									not specified     
																							 | 
											1-545.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 | 
											    
 | 
										
																			
											 | 
											
																									not specified     
																							 | 
											1-611.00 | 
											    
 | 
										
																			
											 | 
											
																									not specified     
																							 | 
											1-611.01 | 
											    
 | 
										
																			
											| Examination of the pharynx by endoscopy | 
											
																									not specified     
																							 | 
											1-611.1 | 
											    
 | 
										
																			
											| Examination of the pharynx by endoscopy | 
											
																									not specified     
																							 | 
											1-611.x | 
											    
 | 
										
																			
											| Examination of the trachea and the bronchi by endoscopy | 
											
																									not specified     
																							 | 
											1-620.00 | 
											    
 | 
										
																			
											| Examination of the oesophagus, stomach and duodenum by endoscopy | 
											
																									not specified     
																							 | 
											1-632.0 | 
											    
 | 
										
																			
											| Measurement of lung function in an airtight cabin - whole body plethysmography | 
											
																									not specified     
																							 | 
											1-710 | 
											    
 | 
										
																			
											| Analysis of the amount of carbon monoxide taken in and given off by the lungs | 
											
																									not specified     
																							 | 
											1-711 | 
											    
 | 
										
																			
											| Other examination by taking a sample of fluid or tissue with a needle | 
											
																									not specified     
																							 | 
											1-859.y | 
											    
 | 
										
																			
											| Reconstructive operations on the nasolacrimal duct | 
											
																									not specified     
																							 | 
											5-087.1 | 
											    
 | 
										
																			
											| Surgical removal of the lens of the eye without the lens capsule | 
											
																									not specified     
																							 | 
											5-144.5a | 
											    
 | 
										
																			
											| Surgical incision into the outer ear | 
											
																									not specified     
																							 | 
											5-180.1 | 
											    
 | 
										
																			
											| Surgical removal or destruction of diseased tissue in the outer ear | 
											
																									not specified     
																							 | 
											5-181.1 | 
											    
 | 
										
																			
											| Surgical removal or destruction of diseased tissue in the outer ear | 
											
																									not specified     
																							 | 
											5-181.3 | 
											    
 | 
										
																			
											| Surgical removal or destruction of diseased tissue in the outer ear | 
											
																									not specified     
																							 | 
											5-181.6 | 
											    
 | 
										
																			
											| Surgical removal or destruction of diseased tissue in the outer ear | 
											
																									not specified     
																							 | 
											5-181.7 | 
											    
 | 
										
																			
											| Surgical removal or destruction of diseased tissue in the outer ear | 
											
																									not specified     
																							 | 
											5-181.9 | 
											    
 | 
										
																			
											| Partial or complete surgical removal of the pinna | 
											
																									not specified     
																							 | 
											5-182.0 | 
											    
 | 
										
																			
											| Wound care of the outer ear | 
											
																									not specified     
																							 | 
											5-183.0 | 
											    
 | 
										
																			
											| Corrective surgery on protruding ears | 
											
																									not specified     
																							 | 
											5-184.2 | 
											    
 | 
										
																			
											| Surgical construction or reconstructive operation on the external auditory canal | 
											
																									not specified     
																							 | 
											5-185.0 | 
											    
 | 
										
																			
											| Other operations on the outer ear | 
											
																									not specified     
																							 | 
											5-189.0 | 
											    
 | 
										
																			
											| Surgical closure of the eardrum (tympanic membrane) (type I) | 
											
																									not specified     
																							 | 
											5-194.0 | 
											    
 | 
										
																			
											| Surgical closure of the eardrum (tympanic membrane) or reconstructive operations on the ossicles (small bones) of the ear | 
											
																									not specified     
																							 | 
											5-195.a0 | 
											    
 | 
										
																			
											| Removal of a grommet from the Eustachian tube | 
											
																									not specified     
																							 | 
											5-201 | 
											    
 | 
										
																			
											| Surgical treatment of nosebleeds | 
											
																									not specified     
																							 | 
											5-210.4 | 
											    
 | 
										
																			
											| Surgical incision into the nose | 
											
																									not specified     
																							 | 
											5-211.0 | 
											    
 | 
										
																			
											| Surgical incision into the nose | 
											
																									not specified     
																							 | 
											5-211.40 | 
											    
 | 
										
																			
											| Surgical incision into the nose | 
											
																									not specified     
																							 | 
											5-211.41 | 
											    
 | 
										
																			
											| Surgical removal or destruction of diseased tissue in the nose | 
											
																									not specified     
																							 | 
											5-212.1 | 
											    
 | 
										
																			
											| Surgical removal or destruction of diseased tissue in the nose | 
											
																									not specified     
																							 | 
											5-212.6 | 
											    
 | 
										
																			
											| Surgical removal or reconstruction of the nasal septum | 
											
																									not specified     
																							 | 
											5-214.0 | 
											    
 | 
										
																			
											| Operation on the inferior nasal concha | 
											
																									not specified     
																							 | 
											5-215.00 | 
											    
 | 
										
																			
											| Operation on the inferior nasal concha | 
											
																									not specified     
																							 | 
											5-215.1 | 
											    
 | 
										
																			
											| Operation on the inferior nasal concha | 
											
																									not specified     
																							 | 
											5-215.2 | 
											    
 | 
										
																			
											| Operation on the inferior nasal concha | 
											
																									not specified     
																							 | 
											5-215.3 | 
											    
 | 
										
																			
											| Operation on the inferior nasal concha | 
											
																									not specified     
																							 | 
											5-215.4 | 
											    
 | 
										
																			
											| Operation on the maxillary sinuses | 
											
																									not specified     
																							 | 
											5-221.0 | 
											    
 | 
										
																			
											| Operation on the ethmoid bone or on the sphenoid sinus | 
											
																									not specified     
																							 | 
											5-222.21 | 
											    
 | 
										
																			
											| Operation on several paranasal sinuses | 
											
																									not specified     
																							 | 
											5-224.64 | 
											    
 | 
										
																			
											| Other operations on the paranasal sinuses | 
											
																									not specified     
																							 | 
											5-229 | 
											    
 | 
										
																			
											| Surgical incision, removal or destruction of diseased tissue in the tongue | 
											
																									not specified     
																							 | 
											5-250.2 | 
											    
 | 
										
																			
											| Other operations on the tongue | 
											
																									not specified     
																							 | 
											5-259.1 | 
											    
 | 
										
																			
											| Surgical incision or opening of a salivary gland or a salivary duct, e.g. to remove a salivary stone (calculus) | 
											
																									not specified     
																							 | 
											5-260.21 | 
											    
 | 
										
																			
											| Surgical removal of diseased tissue from a salivary gland or a salivary duct | 
											
																									not specified     
																							 | 
											5-261.2 | 
											    
 | 
										
																			
											| Surgical removal of diseased tissue from a salivary gland or a salivary duct | 
											
																									not specified     
																							 | 
											5-261.4 | 
											    
 | 
										
																			
											| Surgical removal of a salivary gland | 
											
																									not specified     
																							 | 
											5-262.41 | 
											    
 | 
										
																			
											| 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     
																							 | 
											5-270.6 | 
											    
 | 
										
																			
											| Surgical incision and drainage of fluid from the mouth, jaw or facial region | 
											
																									not specified     
																							 | 
											5-270.8 | 
											    
 | 
										
																			
											| Surgical incision into the hard or soft palate | 
											
																									not specified     
																							 | 
											5-271.0 | 
											    
 | 
										
																			
											| Surgical removal or destruction of the (diseased) hard or soft palate | 
											
																									not specified     
																							 | 
											5-272.0 | 
											    
 | 
										
																			
											| Other operations on the tonsils or adenoids | 
											
																									not specified     
																							 | 
											5-289.2 | 
											    
 | 
										
																			
											| Surgical removal or destruction of diseased tissue in the larynx | 
											
																									not specified     
																							 | 
											5-300.5 | 
											    
 | 
										
																			
											| Reconstructive operations on the trachea | 
											
																									not specified     
																							 | 
											5-316.2 | 
											    
 | 
										
																			
											| Other surgical closure of blood vessels | 
											
																									not specified     
																							 | 
											5-389.9x | 
											    
 | 
										
																			
											| Other operations on blood vessels | 
											
																									not specified     
																							 | 
											5-399.5 | 
											    
 | 
										
																			
											| Complete, surgical removal of all the lymph nodes in the neck - neck dissection | 
											
																									not specified     
																							 | 
											5-403.00 | 
											    
 | 
										
																			
											| 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 side of the midface, especially of the cheekbone (zygomatic bone) or the lateral wall of the eye socket (orbit) | 
											
																									not specified     
																							 | 
											5-760.23 | 
											    
 | 
										
																			
											| Reconstructive operations on the soft tissues of the face | 
											
																									not specified     
																							 | 
											5-778.2 | 
											    
 | 
										
																			
											| Other operations on the temporomandibular joint or bones of the face | 
											
																									not specified     
																							 | 
											5-779.3 | 
											    
 | 
										
																			
											| Surgical incision into the muscles, tendons or their connective tissue sheaths | 
											
																									not specified     
																							 | 
											5-850.d0 | 
											    
 | 
										
																			
											| Other surgical incision into the skin or subcutaneous tissues | 
											
																									not specified     
																							 | 
											5-892.14 | 
											    
 | 
										
																			
											| Other surgical incision into the skin or subcutaneous tissues | 
											
																									not specified     
																							 | 
											5-892.15 | 
											    
 | 
										
																			
											| Surgical removal of diseased tissue from the skin or subcutaneous tissues | 
											
																									not specified     
																							 | 
											5-894.00 | 
											    
 | 
										
																			
											| Surgical removal of diseased tissue from the skin or subcutaneous tissues | 
											
																									not specified     
																							 | 
											5-894.10 | 
											    
 | 
										
																			
											| Surgical removal of diseased tissue from the skin or subcutaneous tissues | 
											
																									not specified     
																							 | 
											5-894.14 | 
											    
 | 
										
																			
											| Surgical removal of diseased tissue from the skin or subcutaneous tissues | 
											
																									not specified     
																							 | 
											5-894.15 | 
											    
 | 
										
																			
											 | 
											
																									not specified     
																							 | 
											5-894.34 | 
											    
 | 
										
																			
											| Extensive surgical removal of diseased tissue from the skin or subcutaneous tissues | 
											
																									not specified     
																							 | 
											5-895.24 | 
											    
 | 
										
																			
											| Extensive surgical removal of diseased tissue from the skin or subcutaneous tissues | 
											
																									not specified     
																							 | 
											5-895.34 | 
											    
 | 
										
																			
											 | 
											
																									not specified     
																							 | 
											5-896.15 | 
											    
 | 
										
																			
											| Simple surgical closure of the skin or the subcutaneous tissues after injuries, e.g. with a suture | 
											
																									not specified     
																							 | 
											5-900.00 | 
											    
 | 
										
																			
											| Simple surgical closure of the skin or the subcutaneous tissues after injuries, e.g. with a suture | 
											
																									not specified     
																							 | 
											5-900.15 | 
											    
 | 
										
																			
											| Skin grafting from the area around the wound | 
											
																									not specified     
																							 | 
											5-903.10 | 
											    
 | 
										
																			
											| Skin grafting from the area around the wound | 
											
																									not specified     
																							 | 
											5-903.54 | 
											    
 | 
										
																			
											| Skin grafting from the area around the wound | 
											
																									not specified     
																							 | 
											5-903.64 | 
											    
 | 
										
																			
											| Temporary covering of soft tissue injuries with skin or artificial skin | 
											
																									not specified     
																							 | 
											5-916.24 | 
											    
 | 
										
																			
											| Operation using aids for optical magnification, e.g. magnifying spectacles, operating microscope | 
											
																									not specified     
																							 | 
											5-984 | 
											    
 | 
										
																			
											| Removal of a foreign body without a surgical incision | 
											
																									not specified     
																							 | 
											8-101.3 | 
											    
 | 
										
																			
											| Removal of a foreign body without a surgical incision | 
											
																									not specified     
																							 | 
											8-101.x | 
											    
 | 
										
																			
											| 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 | 
											    
 | 
										
																			
											| Dressings for large areas of skin or serious skin diseases | 
											
																									not specified     
																							 | 
											8-191.x | 
											    
 | 
										
																			
											| Correction of a skeletal deformity manually or with appliances, with subsequent immobilisation of the affected part of the skeleton, e.g. with plaster cast | 
											
																									not specified     
																							 | 
											8-211 | 
											    
 | 
										
																			
											| Treatment by specific positioning of the patient in bed, e.g. positioning in a sling table or special bed | 
											
																									not specified     
																							 | 
											8-390.x | 
											    
 | 
										
																			
											| Insertion of a tube into the trachea for ventilation - intubation | 
											
																									not specified     
																							 | 
											8-701 | 
											    
 | 
										
																			
											 | 
											
																									not specified     
																							 | 
											8-831.00 | 
											    
 | 
										
																			
											| Monitoring of various functions of the nervous system during an operation | 
											
																									not specified     
																							 | 
											8-925.00 | 
											    
 | 
										
																			
											| 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 | 
											    
 | 
										
																			
											| Interdisciplinary end-of-life care | 
											
																									not specified     
																							 | 
											8-982.2 | 
											    
 | 
										
																			
											| Interdisciplinary management for colonisation or infection with multiresistant germs (pathogens) | 
											
																									not specified     
																							 | 
											8-987.10 | 
											    
 | 
										
																			
											 | 
											
																									not specified     
																							 | 
											9-984.a | 
											    
 |