| Service | Number of cases | OPS key | Info | 
																			
											| Measurement of the electrical activity of the heart without a tube (catheter) inserted into the heart via an artery | 1.649 | 1-266.x |  | 
																			
											| Assessment of perception and behaviour by means of standardised tests | 1.490 | 1-902.0 |  | 
																			
											| Measurement of smell and taste | 1.443 | 1-247 |  | 
																			
											| Examination of nerve conduction - ENG | 1.372 | 1-206 |  | 
																			
											| Other examination of the function of the nervous system | 1.305 | 1-20a.33 |  | 
																			
											| Treatment of physically or functionally induced disorders of speech, language, the voice or swallowing | 1.129 | 9-320 |  | 
																			
											| Measurement of brain waves triggered by targeted stimuli (evoked potentials) | 752 | 1-208.2 |  | 
																			
											| Treatment procedure to maintain and encourage practical everyday and social skills - psychosocial intervention | 545 | 9-401.30 |  | 
																			
											| Interdisciplinary management other chronic illnesses | 472 | 8-97d.1 |  | 
																			
											|  | 363 | 9-984.8 |  | 
																			
											| Measurement of the electrical activity of the muscles - EMG | 307 | 1-205 |  | 
																			
											|  | 300 | 9-984.7 |  | 
																			
											| Interdisciplinary management other chronic illnesses | 229 | 8-97d.0 |  | 
																			
											| Measurement of the brain waves - EEG | 224 | 1-207.0 |  | 
																			
											|  | 169 | 9-984.9 |  | 
																			
											| Treatment with electrical currents, usually directly through the skin | 138 | 8-650 |  | 
																			
											|  | 82 | 9-984.6 |  | 
																			
											| Treatment procedure to maintain and encourage practical everyday and social skills - psychosocial intervention | 75 | 9-401.31 |  | 
																			
											| Other examination of the function of the nervous system | 66 | 1-20a.20 |  | 
																			
											| Demonstration of metabolic processes in the brain with radioactively labelled substances (PET) | 56 | 3-740 |  | 
																			
											| Administration of medicines in accordance with List 3 of the procedures list | 56 | 6-003.8 |  | 
																			
											| Magnetic resonance imaging (MRI) of the head without contrast medium | 48 | 3-800 |  | 
																			
											| Imaging procedure to show the brain using nuclear radiation (SPECT) | 35 | 3-720.10 |  | 
																			
											| Computed tomography (CT) of the head without contrast medium | 33 | 3-200 |  | 
																			
											| Evaluation of swallowing with the help of a tube-shaped instrument with a camera mounted at the end (endoscope) | 20 | 1-613 |  | 
																			
											|  | 16 | 9-984.a |  | 
																			
											| Treatment of late stage Parkinson's disease with drug pumps | 11 | 8-97e.3 |  | 
																			
											| Insertion or exchange of a tube inserted into the small intestine through the oesophagus | 9 | 8-125.2 |  | 
																			
											| Surgical insertion of a tube into the stomach through the abdominal wall for artificial feeding | 8 | 5-431.20 |  | 
																			
											| Effects of the nervous system by means of electrical impulses | 8 | 8-631.0 |  | 
																			
											| Treatment of late stage Parkinson's disease with drug pumps | 6 | 8-97e.1 |  | 
																			
											|  | 6 | 9-984.b |  | 
																			
											| Intestinal lavage | 4 | 8-121 |  | 
																			
											| Treatment of late stage Parkinson's disease with drug pumps | 4 | 8-97e.2 |  | 
																			
											| Examination of the cerebrospinal fluid spaces | not specified | 1-204.2 |  | 
																			
											| Other examination of the function of the nervous system | not specified | 1-20a.21 |  | 
																			
											| Computed tomography (CT) of the spine and the spinal cord without contrast medium | not specified | 3-203 |  | 
																			
											| Imaging procedure to show a section of the body by means of radioactivity and computed tomography (SPECT) | not specified | 3-724.1 |  | 
																			
											|  | not specified | 6-008.3 |  | 
																			
											| Artificial feeding through a stomach tube as the main medical treatment | not specified | 8-015.0 |  | 
																			
											| Insertion or exchange of a tube inserted into the small intestine through the oesophagus | not specified | 8-125.0 |  | 
																			
											| Dressings for large areas of skin or serious skin diseases | not specified | 8-191.x |  | 
																			
											| Treatment of late stage Parkinson's disease with drug pumps | not specified | 8-97e.0 |  | 
																			
											| Treatment procedure to maintain and encourage practical everyday and social skills - psychosocial intervention | not specified | 9-401.32 |  |