| Service | Number of cases | OPS key | Info | 
																			
											| Operation on several paranasal sinuses | 22 | 5-224.63 |  | 
																			
											| Surgical removal or reconstruction of the nasal septum | 15 | 5-214.70 |  | 
																			
											| Operation on the inferior nasal concha | 6 | 5-215.2 |  | 
																			
											| Surgical incision into the nose | not specified | 5-211.40 |  | 
																			
											| Operation on the inferior nasal concha | not specified | 5-215.3 |  | 
																			
											| Operation on the inferior nasal concha | not specified | 5-215.4 |  | 
																			
											| Surgical removal of the palatine tonsils (without removal of the adenoids) - tonsillectomy without adenoidectomy | not specified | 5-281.0 |  | 
																			
											| Surgical removal of the tonsils and adenoids | not specified | 5-282.0 |  | 
																			
											| Surgical removal of the (enlarged) adenoids (without removal of the tonsils) | not specified | 5-285.1 |  | 
																			
											| Other reconstructive operations on the throat (pharynx) | not specified | 5-294.4 |  | 
																			
											| Revision operations | not specified | 5-983 |  | 
																			
											| Operation using aids for optical magnification, e.g. magnifying spectacles, operating microscope | not specified | 5-984 |  | 
																			
											| Operation with the smallest possible incision into the skin and minimal tissue damage (minimally invasive) | not specified | 5-986.x |  |