| Service | Number of cases | OPS key | Info | 
																			
											| Operation on the inferior nasal concha | 57 | 5-215.1 |  | 
																			
											| Surgical removal or reconstruction of the nasal septum | 50 | 5-214.6 |  | 
																			
											| Surgical removal of the tonsils and adenoids | 45 | 5-282.0 |  | 
																			
											| Operation on several paranasal sinuses | 18 | 5-224.4 |  | 
																			
											| Surgical removal of the palatine tonsils (without removal of the adenoids) - tonsillectomy without adenoidectomy | 13 | 5-281.2 |  | 
																			
											| Surgical incision into the eardrum (tympanic membrane) | not specified | 5-200.5 |  | 
																			
											| Other operations on the tonsils or adenoids | not specified | 5-289.00 |  | 
																			
											| Other operations on the tonsils or adenoids | not specified | 5-289.1 |  | 
																			
											|  | not specified | 9-984.6 |  |