| Service | Number of cases | OPS key | Info | 
																			
											| Investigation of the of the brain, heart, and muscle activity, and respiration during sleep | 2.942 | 1-790 |  | 
																			
											| Use of a face, nasal, or laryngeal mask for mechanical ventilation | 1.364 | 8-706 |  | 
																			
											| Installation and adjustment of a mechanical ventilator for treatment of respiratory disorders during sleep | 1.119 | 8-717.0 |  | 
																			
											| Measurement of the brain waves - EEG | 404 | 1-207.2 |  | 
																			
											| Measurement of the electrical activity of the muscles - EMG | 402 | 1-205 |  | 
																			
											| Measurement of the brain waves - EEG | 344 | 1-207.1 |  | 
																			
											| Installation and adjustment of a mechanical ventilator for treatment of respiratory disorders during sleep | 135 | 8-717.1 |  | 
																			
											| Measurement of the daytime tiredness or the maintenance of wakefulness - MSLT or MWT | 78 | 1-795 |  | 
																			
											| Installation and adjustment of a mechanical ventilator for home use | 51 | 8-716.00 |  | 
																			
											| Installation and adjustment of a mechanical ventilator for home use | 27 | 8-716.10 |  | 
																			
											| Measurement of the brain waves - EEG | 10 | 1-207.0 |  | 
																			
											| Examination of nerve conduction - ENG | 7 | 1-206 |  | 
																			
											| 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 | 5 | 8-930 |  | 
																			
											|  | not specified | 9-984.7 |  |