| Service | Number of cases | OPS key | Info | 
																			
											|  | 368 | 9-649.40 |  | 
																			
											|  | 209 | 9-649.0 |  | 
																			
											| Standard treatment for mental and psychosomatic disorders and behavioral disorders in adults | 208 | 9-607 |  | 
																			
											|  | 202 | 9-649.31 |  | 
																			
											|  | 194 | 9-649.51 |  | 
																			
											|  | 93 | 9-649.11 |  | 
																			
											|  | 91 | 9-649.10 |  | 
																			
											|  | 90 | 9-649.20 |  | 
																			
											|  | 73 | 9-649.50 |  | 
																			
											|  | 57 | 9-649.30 |  | 
																			
											|  | 49 | 9-649.53 |  | 
																			
											|  | 40 | 9-649.33 |  | 
																			
											|  | 35 | 9-649.41 |  | 
																			
											|  | 26 | 9-649.32 |  | 
																			
											|  | 23 | 9-649.12 |  | 
																			
											| Medical treatment to provoke a seizure in the treatment of certain mental illnesses - electroconvulsive therapy (ECT) | 20 | 8-630.3 |  | 
																			
											|  | 19 | 9-649.52 |  | 
																			
											| Magnetic resonance imaging (MRI) of the head without contrast medium | 17 | 3-800 |  | 
																			
											|  | 14 | 9-649.13 |  | 
																			
											|  | 10 | 9-649.35 |  | 
																			
											|  | 9 | 9-649.55 |  | 
																			
											|  | 5 | 9-649.34 |  | 
																			
											|  | 5 | 9-984.7 |  | 
																			
											|  | 5 | 9-984.b |  | 
																			
											| Examination of nerve conduction - ENG | not specified | 1-206 |  | 
																			
											| Measurement of the brain waves - EEG | not specified | 1-207.0 |  | 
																			
											| Measurement of brain waves triggered by targeted stimuli (evoked potentials) | not specified | 1-208.2 |  | 
																			
											| Measurement of brain waves triggered by targeted stimuli (evoked potentials) | not specified | 1-208.4 |  | 
																			
											| Measurement of brain waves triggered by targeted stimuli (evoked potentials) | not specified | 1-208.6 |  | 
																			
											| Computed tomography (CT) of the head without contrast medium | not specified | 3-200 |  | 
																			
											|  | not specified | 6-006.a0 |  | 
																			
											|  | not specified | 6-006.a6 |  | 
																			
											|  | not specified | 6-00c.6 |  | 
																			
											| Treatment by the targeted insertion of a needle into the brain, spinal cord or the eye with subsequent administration or removal of substances, e.g. fluid | not specified | 8-151.4 |  | 
																			
											|  | not specified | 9-647.1 |  | 
																			
											|  | not specified | 9-647.3 |  | 
																			
											|  | not specified | 9-647.4 |  | 
																			
											|  | not specified | 9-649.14 |  | 
																			
											|  | not specified | 9-649.15 |  | 
																			
											|  | not specified | 9-649.36 |  | 
																			
											|  | not specified | 9-649.37 |  | 
																			
											|  | not specified | 9-649.38 |  | 
																			
											|  | not specified | 9-649.39 |  | 
																			
											|  | not specified | 9-649.42 |  | 
																			
											|  | not specified | 9-649.54 |  | 
																			
											|  | not specified | 9-649.57 |  | 
																			
											|  | not specified | 9-984.6 |  | 
																			
											|  | not specified | 9-984.8 |  |