| Service | Number of cases | OPS number | Info | 
																			
											| Taking a tissue sample (biopsy) of the throat (pharynx) without surgical incision | not specified | 1-422 |  | 
																			
											| Examination of the larynx by endoscopy | not specified | 1-610 |  | 
																			
											| Examination of the trachea and the bronchi by endoscopy | not specified | 1-620 |  | 
																			
											| Examination of the oesophagus by endoscopy | not specified | 1-630 |  | 
																			
											| Surgical removal or destruction of diseased tissue in the outer ear | not specified | 5-181 |  | 
																			
											| Surgical incision into the eardrum (tympanic membrane) | 27 | 5-200 |  | 
																			
											| Surgical removal or reconstruction of the nasal septum | 14 | 5-214 |  | 
																			
											| Operation on the inferior nasal concha | 26 | 5-215 |  | 
																			
											| Operation on the maxillary sinuses | not specified | 5-221 |  | 
																			
											| Surgical removal of the (enlarged) adenoids (without removal of the tonsils) | 28 | 5-285 |  | 
																			
											| Surgical removal or destruction of diseased tissue in the throat (pharynx) | not specified | 5-292 |  | 
																			
											| Extensive surgical removal of diseased tissue from the skin or subcutaneous tissues | not specified | 5-895 |  | 
																			
											| Revision operations | not specified | 5-983 |  |