Institut für Radiologie, Neuroradiologie und minimalinvasive Therapie

Treatments according to OPS

Service Number of cases OPS key Info
Computed tomography (CT) of the head without contrast medium 7.416 3-200
Computer-assisted analysis of the images with 3D-analysis 3.643 3-990
Computed tomography of the abdomen with contrast medium 3.582 3-225
Computed tomography of the head with contrast medium 2.828 3-220
Computed tomography of the chest with contrast medium 2.794 3-222
Computed tomography of the neck with contrast medium 1.975 3-221
Computed tomography (CT) of the blood vessels other than the main arteries and veins near the heart with contrast medium 1.960 3-228
Computed tomography (CT) of the spine and the spinal cord without contrast medium 1.728 3-203
Magnetic resonance imaging (MRI) of the head with contrast medium 1.569 3-820
Magnetic resonance imaging (MRI) of the head without contrast medium 1.535 3-800
Computed tomography of the pelvis with contrast medium 1.508 3-226
Radiotherapy with high-energy beams for cancer - high voltage radiotherapy 1.508 8-522.91
Making or modifying a device for radiotherapy 1.231 8-527.8
Other special procedure with the help of computed tomography (CT) 1.196 3-24x
Computed tomography (CT) of the pelvis without contrast medium 840 3-206
Computed tomography (CT) of the musculoskeletal system without contrast medium 832 3-205
Computed tomography (CT) of the chest without contrast medium 809 3-202
Computed tomography (CT) of the abdomen without contrast medium 778 3-207
X-rays of small arteries with contrast medium 644 3-608
Magnetic resonance imaging (MRI) of the spine and spinal cord with contrast medium 637 3-823
Magnetic resonance imaging (MRI) of the spine and spinal cord without contrast medium 582 3-802
Additional information on materials used 538 8-83b.c6
Computed tomography of the heart with contrast medium 397 3-224.0
X-rays of the arteries of the neck with contrast medium 315 3-601
X-rays of the arteries in the head with contrast medium 311 3-600
Magnetic resonance imaging (MRI) of the abdominal cavity with contrast medium 238 3-825
Checking the settings before the start of a radiotherapy session 216 8-528.6
Image fusion from different imaging sources on a computer 213 3-997
X-ray of the veins in a limb with contrast medium (phlebography) and demonstration of the drainage region 207 3-614
X-rays of the arteries in the abdomen with contrast medium 197 3-604
Measurement of the mineral content of the bone - bone density measurement 196 3-900
X-rays of the aortic arch with contrast medium 184 3-602
X-rays of the arteries in the legs with contrast medium 145 3-607
Computer assisted visualisation of body structures in 3 dimensions - virtual 3D reconstruction technique 132 3-994
Other operations on blood vessels 131 5-399.5
Magnetic resonance imaging (MRI) of the musculoskeletal system with contrast medium 122 3-826
Additional information on materials used 115 8-83b.p
Taking a tissue sample (biopsy) of the respiratory tract through the skin, guided by imaging procedures such as ultrasound 112 1-432.01
Planning radiotherapy for irradiation through the skin or at a localised site 111 8-529.3
Treatment of a vessel with access via a tube (catheter) 110 8-836.80
Magnetic resonance imaging (MRI) of the musculoskeletal system without contrast medium 109 3-806
Additional information on materials used 108 8-83b.9
Computed tomography (CT) of the spine and the spinal cord with contrast medium 105 3-223
103 8-83b.87
Imaging procedure to show the lungs by means of radioactivity (scintigraphy) 102 3-703.0
Treatment of a vessel with access via a tube (catheter) 101 8-836.ka
Magnetic resonance imaging (MRI) of the pelvis with contrast medium 100 3-82a
100 8-523.14
Taking a tissue sample (biopsy) of the liver, biliary tract or the pancreas through the skin, guided by imaging procedures such as ultrasound 97 1-442.0
Computed tomography (CT) of the heart without contrast medium 81 3-204
Additional information on materials used 80 8-83b.84
Magnetic resonance imaging (MRI) of the neck with contrast medium 78 3-821
Magnetic resonance imaging (MRI) of the blood vessels apart from main arteries and veins without contrast medium 72 3-808
Additional information on materials used 68 8-83b.13
Insertion of a small tube (cannula) or catheter into another organ or tissue for the drainage of fluid 62 8-148.0
X-rays of the arteries in the pelvis with contrast medium 61 3-605
Imaging procedure to show the lungs by means of radioactivity and computed tomography (SPECT) 58 3-722.0
Pain control by injecting an anaesthetic around a nerve root or nerve close to the spine 58 8-914.12
Visualisation of the metabolic processes in the whole body with radioactive labelled substances and computed tomography (PET/CT) 55 3-753.0
Additional information on materials used 55 8-83b.25
Treatment of a vessel with access via a tube (catheter) 54 8-836.9a
Additional information on materials used 53 8-83b.n3
Radiotherapy with high-energy beams for cancer - high voltage radiotherapy 52 8-522.d1
Magnetic resonance imaging (MRI) of the blood vessels apart from the main arteries and veins near the heart with contrast medium 50 3-828
Quantitative analysis of specific values such as organ function or blood flow rate 49 3-993
Magnetic resonance imaging (MRI) of the heart with contrast medium 48 3-824.0
Imaging procedure to show a section of the body by means of radioactivity and computed tomography (SPECT) 47 3-724.x
47 3-754.0x
Additional information on materials used 46 8-83b.36
45 5-98h.2
Imaging procedure to show the musculoskeletal system using nuclear radiation (scintigraphy) 44 3-705.0
Instillation into a body cavity and locally restricted treatment with chemotherapy drugs or agents that influence the immune system 44 8-541.6
Treatment of a vessel with access via a tube (catheter) 43 8-836.0s
Other type of the high-energy radiotherapy, e.g. by means of telecobalt machines and linear accelerators 42 8-523.10
Computed tomography (CT) of the musculoskeletal system with contrast medium 41 3-227
Imaging procedure to show a section of the body by means of radioactivity and computed tomography (SPECT) 39 3-724.0
Imaging procedure to show the thyroid gland by means of radioactivity (scintigraphy) 38 3-701
Computed tomography (CT) of the neck without contrast medium 37 3-201
Treatment of a vessel with access via a tube (catheter) 36 8-836.ma
35 5-501.93
35 8-523.12
Pain control by injecting an anaesthetic into a joint of the spine 35 8-917.13
Treatment of a vessel with access via a tube (catheter) 32 8-836.0c
Additional information on materials used 32 8-83b.10
Taking a tissue sample (biopsy) of bone without surgical incision, guided by imaging procedures such as ultrasound 29 1-481.4
X-rays of the veins in the abdomen and pelvis with contrast medium 29 3-612.5
Examination of the cerebrospinal fluid spaces 28 1-204.2
X-rays of the spinal canal with contrast medium 28 3-130
Magnetic resonance imaging (MRI) of the neck without contrast medium 28 3-801
Insertion of a small tube (cannula) or catheter into an organ in the abdominal cavity for the drainage of fluid 28 8-146.0
Radiotherapy with high-energy beams for cancer - high voltage radiotherapy 28 8-522.b1
Insertion of a small tube (cannula) or catheter into another organ or tissue for the drainage of fluid 27 8-148.x
Imaging procedure to show the digestive tract by means of radioactivity (scintigraphy) 26 3-707.6
Imaging procedure to show the digestive tract by means of radioactivity (scintigraphy) 26 3-707.x
Treatment with radioactive substance taken up by the body 26 8-530.a5
Additional information on materials used 26 8-83b.11
Insertion of a small tube (cannula) or catheter into the space between the lungs and ribs for the drainage of fluid 24 8-144.0
Treatment of a vessel with access via a tube (catheter) 24 8-836.0q
Additional information on materials used 24 8-83b.85
Other X-rays of the veins with contrast medium 22 3-61x
Imaging procedure to show the blood vessels by means of radioactivity (scintigraphy) 22 3-708.02
22 3-754.1x
Making or modifying a device for radiotherapy 22 8-527.1
Imaging procedure to show the digestive tract by means of radioactivity (scintigraphy) 20 3-707.2
Other treatment of the heart or the blood vessels through a tube (catheter) 20 8-839.88
Treatment of a vessel with access via a tube (catheter) 19 8-836.m0
Imaging procedure to show the musculoskeletal system using nuclear radiation (scintigraphy) 17 3-705.1
Other treatment of the heart or the blood vessels through a tube (catheter) 17 8-839.81
X-rays of the arteries in the arms with contrast medium 16 3-606
Additional information on materials used 16 8-83b.3x
Making or modifying a device for radiotherapy 15 8-527.2
Imaging procedure to show the kidneys by means of radioactivity (scintigraphy) 14 3-706.1
Implantation of non-drug eluting tubing (stents) in blood vessels 14 8-840.0q
Insertion of non-drug eluting tubing (stent graft) with covered mesh in blood vessels 14 8-842.0g
13 5-339.25
Insertion of a small tube (cannula) or catheter into another organ or tissue for the drainage of fluid 13 8-148.1
Treatment of a vessel with access via a tube (catheter) 13 8-836.0k
Treatment of a vessel with access via a tube (catheter) 13 8-836.kh
Treatment of a vessel with access via a tube (catheter) 13 8-836.n2
X-rays of the small intestine with contrast medium enema 12 3-139
X-rays of the veins in the abdomen and pelvis with contrast medium 12 3-612.0
Imaging procedure to show other hormone-producing organs by means of radioactivity (scintigraphy) 12 3-702.0
X-rays of the arteries in the chest with contrast medium 11 3-603
Additional information on materials used 11 8-83b.70
Implantation of non-drug eluting tubing (stents) in blood vessels 11 8-840.0s
Imaging procedure to show the heart by means of radioactivity and computed tomography (SPECT) 10 3-721.01
Imaging procedure to show the heart by means of radioactivity and computed tomography (SPECT) 10 3-721.21
Taking a tissue sample (biopsy) of lymph nodes, spleen or thymus gland through the skin, guided by imaging procedures such as ultrasound 9 1-426.4
Taking a tissue sample (biopsy) of the liver, biliary tract or the pancreas through the skin, guided by imaging procedures such as ultrasound 9 1-442.2
Extensive investigation of hormone function 9 1-797.1
Imaging procedure to show the blood vessels by means of radioactivity (scintigraphy) 9 3-708.00
9 8-523.04
Treatment of a vessel with access via a tube (catheter) 9 8-836.n3
Implantation of non-drug eluting tubing (stents) in blood vessels 9 8-840.0k
Taking a tissue sample (biopsy) of muscle or soft tissue through the skin, guided by imaging procedures such as ultrasound 8 1-492.4
X-rays of the veins in the abdomen and pelvis with contrast medium 8 3-612.1
Insertion of a small tube (cannula) or catheter in the kidney or urinary tract for the drainage of fluid other than urine 8 8-147.0
Additional information on materials used 8 8-83b.24
Taking a tissue sample (biopsy) of hormone-producing organs through the skin, guided by imaging procedures such as ultrasound 7 1-407.5
Taking a tissue sample (biopsy) of the respiratory tract through the skin, guided by imaging procedures such as ultrasound 7 1-432.1
Taking a tissue sample (biopsy) of other organs or tissues through the skin, guided by imaging procedures such as ultrasound 7 1-494.8
X-rays of the arteries in the spinal cord with contrast medium 7 3-60a
X-rays of the veins in the neck and chest with contrast medium 7 3-611.0
Treatment of a vessel with access via a tube (catheter) 7 8-836.7k
Treatment of a vessel with access via a tube (catheter) 7 8-836.n4
Other treatment of the heart or the blood vessels through a tube (catheter) 7 8-839.10
Magnetic resonance imaging (MRI) of the abdominal cavity without contrast medium 6 3-804
Other operations on blood vessels 6 5-399.7
Treatment of a vessel with access via a tube (catheter) 6 8-836.n7
6 8-83b.88
Additional information on materials used 6 8-83b.n0
Taking a tissue sample (biopsy) of lymph nodes, spleen or thymus gland through the skin, guided by imaging procedures such as ultrasound 5 1-426.8
Taking a tissue sample (biopsy) of the kidney, urinary tract or male reproductive organs through the skin, guided by imaging procedures such as ultrasound 5 1-465.0
Taking a tissue sample (biopsy) of other organs or tissues through the skin, guided by imaging procedures such as ultrasound 5 1-494.2
X-rays of the intervertebral discs with contrast medium 5 3-131
Magnetic resonance imaging (MRI) of the pelvis without contrast medium 5 3-805
Other operations on blood vessels 5 5-399.6
Treatment of a vessel with access via a tube (catheter) 5 8-836.04
Treatment of a vessel with access via a tube (catheter) 5 8-836.n5
Additional information on materials used 5 8-83b.q
Other treatment of a vessel with access via a tube (catheter) 5 8-83c.60
Other treatment of a vessel with access via a tube (catheter) 5 8-83c.61
Taking a tissue sample (biopsy) of muscle or soft tissue through the skin, guided by imaging procedures such as ultrasound 4 1-492.y
Taking a tissue sample (biopsy) of other organs or tissues through the skin, guided by imaging procedures such as ultrasound 4 1-494.6
X-rays of the biliary tract with contrast medium 4 3-13c.1
Imaging procedure to show the lungs by means of radioactivity (scintigraphy) 4 3-703.2
Magnetic resonance imaging (MRI) of the heart with contrast medium 4 3-824.2
Other operations on the spine 4 5-839.90
Insertion of a small tube (cannula) or catheter into an organ in the abdominal cavity for the drainage of fluid 4 8-146.2
Treatment by the targeted insertion of a needle into the chest with subsequent administration or removal of substances, e.g. fluid 4 8-152.0
4 8-523.15
Treatment of a vessel with access via a tube (catheter) 4 8-836.90
Treatment of a vessel with access via a tube (catheter) 4 8-836.k0
Additional information on materials used 4 8-83b.30
Additional information on materials used 4 8-83b.86
Implantation of non-drug eluting tubing (stents) in blood vessels 4 8-840.04
Pain control by injecting an anaesthetic around a nerve root or nerve close to the spine 4 8-914.10
Measurement of the electrical activity of the heart without a tube (catheter) inserted into the heart via an artery not specified 1-266.0
Taking a tissue sample (biopsy) of hormone-producing organs through the skin, guided by imaging procedures such as ultrasound not specified 1-407.2
Taking a tissue sample (biopsy) of lymph nodes, spleen or thymus gland through the skin, guided by imaging procedures such as ultrasound not specified 1-426.3
Taking a tissue sample (biopsy) of the respiratory tract with a needle through the skin not specified 1-431.y
Taking a tissue sample (biopsy) of the respiratory tract through the skin, guided by imaging procedures such as ultrasound not specified 1-432.0x
Taking a tissue sample (biopsy) of bone with a needle not specified 1-480.4
Taking a tissue sample (biopsy) of bone with a needle not specified 1-480.5
Taking a tissue sample (biopsy) of bone with a needle not specified 1-480.y
Taking a tissue sample (biopsy) of muscle or soft tissue with a needle not specified 1-491.4
Taking a tissue sample (biopsy) of muscle or soft tissue with a needle not specified 1-491.x
Taking a tissue sample (biopsy) of muscle or soft tissue through the skin, guided by imaging procedures such as ultrasound not specified 1-492.0
Taking a tissue sample (biopsy) of muscle or soft tissue through the skin, guided by imaging procedures such as ultrasound not specified 1-492.5
Taking a tissue sample (biopsy) of other organs or tissues through the skin, guided by imaging procedures such as ultrasound not specified 1-494.9
Examination of the space between the lungs and ribs by taking a sample of fluid or tissue with a needle not specified 1-844
X-rays of the pharynx (throat) with contrast medium not specified 3-134
X-rays of the oesophagus with contrast medium not specified 3-137
X-rays of the urinary bladder with contrast medium not specified 3-13f
X-rays of unnatural connections between organs or with the surface of the body (fistulas) with contrast medium not specified 3-13m
Other X-rays of the arteries with contrast medium not specified 3-60x
X-rays of the veins in the head with contrast medium not specified 3-610
X-rays of the veins in the neck and chest with contrast medium not specified 3-611.1
X-rays of the veins in the abdomen and pelvis with contrast medium not specified 3-612.2
X-rays of the veins in the abdomen and pelvis with contrast medium not specified 3-612.3
X-rays of the veins in the abdomen and pelvis with contrast medium not specified 3-612.x
X-rays of the lymphatic vessels with contrast medium not specified 3-62x
Imaging procedure to show the kidneys by means of radioactivity (scintigraphy) not specified 3-706.0
Imaging procedure to show the brain using nuclear radiation (SPECT) not specified 3-720.10
Imaging procedure to show the lungs by means of radioactivity and computed tomography (SPECT) not specified 3-722.2
Visualisation of the metabolic processes in the whole body with radioactive labelled substances and computed tomography (PET/CT) not specified 3-753.1
Magnetic resonance imaging of the chest without contrast medium (MRI) not specified 3-809
Magnetic resonance imaging (MRI) of the chest with contrast medium not specified 3-822
Other magnetic resonance imaging (MRI) with contrast medium not specified 3-82x
Calculation of the required radiation dose when planning tumour treatment not specified 3-995
Switching off part of the autonomic nervous system (sympatholysis) through the skin, guided by imaging procedures such as CT not specified 5-04a.2
Insertion of a special tube (stent) into a blood vessel not specified 5-38a.42
Insertion of a special tube (stent) into a blood vessel not specified 5-38a.44
Insertion of a special tube (stent) into a blood vessel not specified 5-38a.46
Insertion of a special tube (stent) into a blood vessel not specified 5-38a.70
Insertion of a special tube (stent) into a blood vessel not specified 5-38a.c0
Insertion of a special tube (stent) into a blood vessel not specified 5-38a.u2
Other operations on the lymphatic system not specified 5-408.5
Surgical insertion of a tube into the stomach through the abdominal wall for artificial feeding not specified 5-431.21
Surgical insertion of a tube into the stomach through the abdominal wall for artificial feeding not specified 5-431.2x
Surgical removal or destruction of (diseased) tissue in the kidney not specified 5-552.50
not specified 5-552.54
Other surgical incision into the skin or subcutaneous tissues not specified 5-892.0a
Administration of medicines in accordance with List 3 of the procedures list not specified 6-003.8
Exchange or removal of a feeding tube inserted into the stomach through the skin not specified 8-123.0
Insertion of a small tube (cannula) or catheter into the space between the lungs and ribs for the drainage of fluid not specified 8-144.1
Insertion of a small tube (cannula) or catheter into an organ in the abdominal cavity for the drainage of fluid not specified 8-146.1
Insertion of a small tube (cannula) or catheter into an organ in the abdominal cavity for the drainage of fluid not specified 8-146.y
Insertion of a small tube (cannula) or catheter into another organ or tissue for the drainage of fluid not specified 8-148.3
Treatment by the targeted insertion of a needle into the chest with subsequent administration or removal of substances, e.g. fluid not specified 8-152.1
Other type of the high-energy radiotherapy, e.g. by means of telecobalt machines and linear accelerators not specified 8-523.y
Checking the settings before the start of a radiotherapy session not specified 8-528.y
Planning radiotherapy for irradiation through the skin or at a localised site not specified 8-529.8
Cancer treatment for several days (e.g. 2-4 days) with two or more chemotherapy drugs administered into a vein not specified 8-543.51
Use of a face, nasal, or laryngeal mask for mechanical ventilation not specified 8-706
Treatment of a vessel with access via a tube (catheter) not specified 8-836.02
Treatment of a vessel with access via a tube (catheter) not specified 8-836.07
Treatment of a vessel with access via a tube (catheter) not specified 8-836.0g
Treatment of a vessel with access via a tube (catheter) not specified 8-836.0h
Treatment of a vessel with access via a tube (catheter) not specified 8-836.67
Treatment of a vessel with access via a tube (catheter) not specified 8-836.68
Treatment of a vessel with access via a tube (catheter) not specified 8-836.6c
Treatment of a vessel with access via a tube (catheter) not specified 8-836.6k
Treatment of a vessel with access via a tube (catheter) not specified 8-836.70
Treatment of a vessel with access via a tube (catheter) not specified 8-836.73
Treatment of a vessel with access via a tube (catheter) not specified 8-836.7a
Treatment of a vessel with access via a tube (catheter) not specified 8-836.7c
Treatment of a vessel with access via a tube (catheter) not specified 8-836.7x
Treatment of a vessel with access via a tube (catheter) not specified 8-836.8a
Treatment of a vessel with access via a tube (catheter) not specified 8-836.8c
Treatment of a vessel with access via a tube (catheter) not specified 8-836.98
Treatment of a vessel with access via a tube (catheter) not specified 8-836.9d
Treatment of a vessel with access via a tube (catheter) not specified 8-836.9g
Treatment of a vessel with access via a tube (catheter) not specified 8-836.9h
Treatment of a vessel with access via a tube (catheter) not specified 8-836.9j
Treatment of a vessel with access via a tube (catheter) not specified 8-836.k8
Treatment of a vessel with access via a tube (catheter) not specified 8-836.kg
Treatment of a vessel with access via a tube (catheter) not specified 8-836.m1
Treatment of a vessel with access via a tube (catheter) not specified 8-836.m8
Treatment of a vessel with access via a tube (catheter) not specified 8-836.mg
Treatment of a vessel with access via a tube (catheter) not specified 8-836.mh
Treatment of a vessel with access via a tube (catheter) not specified 8-836.mj
Treatment of a vessel with access via a tube (catheter) not specified 8-836.mk
Treatment of a vessel with access via a tube (catheter) not specified 8-836.n1
Treatment of a vessel with access via a tube (catheter) not specified 8-836.n6
Treatment of a vessel with access via a tube (catheter) not specified 8-836.n8
Treatment of a vessel with access via a tube (catheter) not specified 8-836.n9
Treatment of a vessel with access via a tube (catheter) not specified 8-836.na
Treatment of a vessel with access via a tube (catheter) not specified 8-836.nb
Treatment of a vessel with access via a tube (catheter) not specified 8-836.nc
Treatment of a vessel with access via a tube (catheter) not specified 8-836.nd
Treatment of a vessel with access via a tube (catheter) not specified 8-836.ne
Treatment of a vessel with access via a tube (catheter) not specified 8-836.ng
Other treatment of the heart or the blood vessels through a tube (catheter) not specified 8-839.86
Other treatment of the heart or the blood vessels through a tube (catheter) not specified 8-839.x
Additional information on materials used not specified 8-83b.06
Additional information on materials used not specified 8-83b.22
Additional information on materials used not specified 8-83b.2x
Additional information on materials used not specified 8-83b.34
Additional information on materials used not specified 8-83b.52
Additional information on materials used not specified 8-83b.71
Additional information on materials used not specified 8-83b.72
not specified 8-83b.89
not specified 8-83b.8a
Additional information on materials used not specified 8-83b.ba
Additional information on materials used not specified 8-83b.bb
Additional information on materials used not specified 8-83b.e1
Additional information on materials used not specified 8-83b.f2
Additional information on materials used not specified 8-83b.n1
Additional information on materials used not specified 8-83b.n2
Additional information on materials used not specified 8-83b.n5
not specified 8-83b.s
Other treatment of a vessel with access via a tube (catheter) not specified 8-83c.70
Other treatment of a vessel with access via a tube (catheter) not specified 8-83c.8
Implantation of non-drug eluting tubing (stents) in blood vessels not specified 8-840.02
Implantation of non-drug eluting tubing (stents) in blood vessels not specified 8-840.07
Implantation of non-drug eluting tubing (stents) in blood vessels not specified 8-840.0c
Implantation of non-drug eluting tubing (stents) in blood vessels not specified 8-840.0g
Implantation of non-drug eluting tubing (stents) in blood vessels not specified 8-840.0m
Implantation of non-drug eluting tubing (stents) in blood vessels not specified 8-840.0n
Implantation of non-drug eluting tubing (stents) in blood vessels not specified 8-840.1k
Implantation of non-drug eluting tubing (stents) in blood vessels not specified 8-840.1q
Implantation of non-drug eluting tubing (stents) in blood vessels not specified 8-840.1s
Implantation of non-drug eluting tubing (stents) in blood vessels not specified 8-840.2s
Insertion of non-drug eluting tubing (stent graft) with covered mesh in blood vessels not specified 8-842.0s
Insertion of non-drug eluting tubing (stent graft) with covered mesh in blood vessels not specified 8-842.1s
Implantation of self-expanding tubing (microstents) in blood vessels not specified 8-844.00
Implantation of tubing (Cheatham platinum stents) with open mesh in blood vessels not specified 8-845.1g
Implantation of eluting tubing (stent graft) with covered mesh in blood vessels not specified 8-848.0a
Implantation of eluting tubing (stent graft) with covered mesh in blood vessels not specified 8-848.0s
Implantation of other tubing (stents) with open mesh and a large diameter in blood vessels not specified 8-849.07
Pain control by injecting an anaesthetic around the autonomic (sympathetic) nervous system not specified 8-916.13