| Service | Number of cases | OPS key | Info | 
																			
											| Operation on the inferior nasal concha | 26 | 5-215.3 |  | 
																			
											| Operation on several paranasal sinuses | 16 | 5-224.63 |  | 
																			
											| Surgical removal or reconstruction of the nasal septum | 14 | 5-214.6 |  | 
																			
											| Surgical removal of the tonsils and adenoids | 4 | 5-282.0 |  | 
																			
											| Operation using lasers | 4 | 5-985.2 |  | 
																			
											| Surgical removal of a residual connection between the thyroid gland and tongue after birth | not specified | 5-065.1 |  | 
																			
											| Surgical removal or reconstruction of the nasal septum | not specified | 5-214.0 |  | 
																			
											| Surgical removal or reconstruction of the nasal septum | not specified | 5-214.3 |  | 
																			
											| Surgical removal or reconstruction of the nasal septum | not specified | 5-214.5 |  | 
																			
											| Operation on the inferior nasal concha | not specified | 5-215.2 |  | 
																			
											| Operation on the ethmoid bone or on the sphenoid sinus | not specified | 5-222.0 |  | 
																			
											| Operation on the ethmoid bone or on the sphenoid sinus | not specified | 5-222.20 |  | 
																			
											| Operation on the ethmoid bone or on the sphenoid sinus | not specified | 5-222.21 |  | 
																			
											| Operation on several paranasal sinuses | not specified | 5-224.60 |  | 
																			
											| Surgical removal of the (enlarged) adenoids (without removal of the tonsils) | not specified | 5-285.0 |  | 
																			
											| 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 |  |