Abteilung für Neurologie und neurologische Frührehabilitation

Treatments according to OPS

Service Number of cases OPS key Info
Computer-assisted analysis of the images with 3D-analysis 3.668 3-990
Computed tomography (CT) of the head without contrast medium 2.194 3-200
Magnetic resonance imaging (MRI) of the head without contrast medium 1.281 3-800
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 1.071 8-930
Complex differential diagnostic sonography of the vascular system with quantitative evaluation 1.026 3-035
Computed tomography of the neck with contrast medium 734 3-221
Other computed tomography (CT) with contrast medium 677 3-22x
Magnetic resonance imaging (MRI) of the spine and spinal cord without contrast medium 574 3-802
Examination of the cerebrospinal fluid spaces 540 1-204.2
Measurement of the brain waves - EEG 539 1-207.0
304 9-984.7
Magnetic resonance imaging (MRI) of the head with contrast medium 285 3-820
264 9-984.8
261 8-981.22
Examination of nerve conduction - ENG 245 1-206
Operation using aids for optical magnification, e.g. magnifying spectacles, operating microscope 244 5-984
Surgical incision into diseased bone or joint tissue in the spine 222 5-830.4
Computed tomography (CT) of the spine and the spinal cord without contrast medium 197 3-203
Ultrasound of the heart (echocardiography) through the oesophagus - TEE 194 3-052
184 8-981.20
170 9-984.9
Pain control by injecting an anaesthetic around a nerve root or nerve close to the spine 158 8-914.12
Magnetic resonance imaging (MRI) of the spine and spinal cord with contrast medium 146 3-823
Measurement of brain waves triggered by targeted stimuli (evoked potentials) 106 1-208.2
Surgical access to the lumbar spine, sacrum or coccyx 104 5-032.00
104 8-981.21
Computed tomography of the chest with contrast medium 98 3-222
Surgical removal of diseased intervertebral disc tissue 95 5-831.0
Surgical access to the lumbar spine, sacrum or coccyx 94 5-032.10
Computed tomography of the abdomen with contrast medium 93 3-225
93 9-984.b
92 9-984.6
Examination of the oesophagus, stomach and duodenum by endoscopy 77 1-632.0
76 8-831.00
Other magnetic resonance imaging (MRI) without contrast medium 72 3-80x
Treatment by injecting a medicine into an organ or tissue, or removal of excess fluid (effusion) e.g. from the joints 71 8-020.8
Measurement of brain waves triggered by targeted stimuli (evoked potentials) 65 1-208.6
Surgical access to the lumbar spine, sacrum or coccyx 60 5-032.30
Intensive care monitoring of respiration, the heart and the circulation with measurement of the pressure in the superior vena cava (central venous pressure) 58 8-931.0
56 8-98g.10
Early postoperative treatment and early rehabilitation of patients with diseases of the nervous system or who have had neurosurgery 52 8-552.9
52 8-98f.0
Surgical access to the lumbar spine, sacrum or coccyx 51 5-032.01
Other operations on the spine 48 5-839.61
Other operations on the spine 46 5-839.60
46 8-981.23
Measurement of the electrical activity of the muscles - EMG 42 1-205
Surgical access to the lumbar spine, sacrum or coccyx 42 5-032.02
Computer assisted visualisation of body structures in 3 dimensions - virtual 3D reconstruction technique 40 3-994
Examination of the cerebrospinal fluid spaces 38 1-204.1
Other operations on the spine 35 5-839.62
Insertion of a tube into the trachea for ventilation - intubation 35 8-701
Transfusion of blood, red blood cells or platelets from a donor to a recipient 35 8-800.c0
35 9-984.a
Surgical access to the lumbar spine, sacrum or coccyx 34 5-032.11
Measurement of the electrical activity of the heart without a tube (catheter) inserted into the heart via an artery 32 1-266.2
Magnetic resonance imaging (MRI) of the neck with contrast medium 32 3-821
Surgical insertion of a tube into the stomach through the abdominal wall for artificial feeding 31 5-431.20
Surgical removal of diseased intervertebral disc tissue 31 5-831.2
Magnetic resonance imaging (MRI) of the neck without contrast medium 29 3-801
Examination of the trachea and the bronchi by endoscopy 28 1-620.00
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 28 8-151.4
Other magnetic resonance imaging (MRI) with contrast medium 27 3-82x
Keeping the respiratory tract open by means of a tube through the mouth or nose 27 8-700.0
Surgical access to the lumbar spine, sacrum or coccyx 25 5-032.12
25 5-83b.70
Computed tomography of the head with contrast medium 24 3-220
Magnetic resonance imaging (MRI) of the musculoskeletal system without contrast medium 24 3-806
Surgical fixation of vertebrae using devices such as screws or plates 23 5-835.9
Procedure for dialysing the blood outside the body with removal of the poison over a concentration gradient - dialysis 23 8-854.2
Others therapeutic procedures to influence the immune system 22 8-547.0
21 6-00a.e1
Surgical opening of the top of the skull 20 5-010.2
Surgical incision of the brain or meninges 20 5-013.1
Simple surgical closure of the skin or the subcutaneous tissues after injuries, e.g. with a suture 20 5-900.04
Reconstructive operations on the spinal cord or spinal meninges 19 5-036.8
Revision operations 18 5-983
18 8-713.0
Computed tomography (CT) of the musculoskeletal system without contrast medium 17 3-205
17 5-83b.50
Examination of the left side of the heart with a tube (catheter) inserted into the heart via an artery 16 1-275.0
Surgical incision into the spinal canal 16 5-033.0
Other operations on the spinal cord or the spinal meninges 16 5-039.x
Insertion of a temporary, artificial tracheal opening 16 5-311.1
Computed tomography (CT) of the pelvis without contrast medium 15 3-206
Computed tomography (CT) of the abdomen without contrast medium 15 3-207
Surgical access to the lumbar spine, sacrum or coccyx 15 5-032.31
15 8-98g.11
Taking a tissue sample (biopsy) of the upper digestive tract, biliary tract or the pancreas by endoscopy 14 1-440.a
Computed tomography (CT) of the chest without contrast medium 14 3-202
Taking a tissue sample (biopsy) of the upper digestive tract, biliary tract or the pancreas by endoscopy 13 1-440.9
Surgical access to the lumbar spine, sacrum or coccyx 13 5-032.32
Measurement of brain waves triggered by targeted stimuli (evoked potentials) 12 1-208.4
Early postoperative treatment and early rehabilitation of patients with diseases of the nervous system or who have had neurosurgery 12 8-552.8
Measurement of the brain waves - EEG 11 1-207.1
Early postoperative treatment and early rehabilitation of patients with diseases of the nervous system or who have had neurosurgery 11 8-552.7
Cardiac or cardiopulmonary resuscitation 11 8-771
11 8-98f.10
Surgical stiffening of the spine - spondylodesis 10 5-836.30
Magnetic resonance imaging (MRI) of the pelvis without contrast medium 9 3-805
Surgical access to the area between the head and neck or to the cervical spine 9 5-030.70
9 6-00a.e0
Computed tomography (CT) of the neck without contrast medium 8 3-201
Surgical opening of the top of the skull 8 5-010.00
8 5-83b.51
Insertion of a small tube (cannula) or catheter into the space between the lungs and ribs for the drainage of fluid 8 8-144.0
Use of a face, nasal, or laryngeal mask for mechanical ventilation 8 8-706
8 8-718.73
Measurement of the electrical activity of the heart without a tube (catheter) inserted into the heart via an artery 7 1-266.0
Examination of the large intestine by endoscopy - colonoscopy 7 1-650.2
Computed tomography (CT) of the spine and the spinal cord with contrast medium 7 3-223
Magnetic resonance imaging (MRI) of the abdominal cavity without contrast medium 7 3-804
Magnetic resonance imaging (MRI) of the abdominal cavity with contrast medium 7 3-825
Surgical removal of diseased intervertebral disc tissue 7 5-831.7
Surgical removal of diseased bone or joint tissue in the spine 7 5-832.0
Other operations on the spine 7 5-839.63
7 5-83b.71
7 5-83w.0
Temporary covering of soft tissue injuries with skin or artificial skin 7 5-916.a0
Injection or administration of medicines into the urinary bladder 7 8-132.3
Interdisciplinary management other chronic illnesses 7 8-97d.1
Magnetic resonance imaging (MRI) of the musculoskeletal system with contrast medium 6 3-826
Surgical access to the area between the head and neck or to the cervical spine 6 5-030.71
Surgical removal of a blood clot including the adjacent inner wall of an artery 6 5-381.01
Surgical removal of diseased intervertebral disc tissue 6 5-831.9
Surgical stiffening of the spine - spondylodesis 6 5-836.31
Exchange or removal of a feeding tube inserted into the stomach through the skin 6 8-123.1
Transfusion of blood plasma or plasma components or genetically engineered blood proteins 6 8-810.wa
Transfusion of other plasma components or genetically engineered blood proteins 6 8-812.50
Transfusion of other plasma components or genetically engineered blood proteins 6 8-812.53
6 8-831.20
Examination of the large intestine by endoscopy - colonoscopy 5 1-650.1
Surgical incision of the brain or meninges 5 5-013.40
Surgical access to the area between the head and neck or to the cervical spine 5 5-030.31
Surgical access to the lumbar spine, sacrum or coccyx 5 5-032.40
Surgical removal of a blood clot including the adjacent inner wall of an artery 5 5-381.02
Other operations on blood vessels 5 5-399.2
Surgical removal of diseased bone or joint tissue in the spine 5 5-832.4
5 5-83b.20
5 5-896.1a
Administration of medicines in accordance with List 3 of the procedures list 5 6-003.8
Treatment by injecting a medicine into an organ or tissue, or removal of excess fluid (effusion) e.g. from the joints 5 8-020.x
Use of a system to collect stools 5 8-128
Early postoperative treatment and early rehabilitation of patients with diseases of the nervous system or who have had neurosurgery 5 8-552.5
5 8-718.70
5 8-718.74
5 8-831.02
Treatment on the intensive care unit (basic procedures) 5 8-980.0
5 8-98g.12
5 8-98g.13
Measurement of brain waves triggered by targeted stimuli (evoked potentials) 4 1-208.0
Taking a tissue sample (biopsy) of the bone marrow without surgical incision 4 1-424
Examination of the trachea and the bronchi by endoscopy 4 1-620.01
Examination of the space between the lungs and ribs by taking a sample of fluid or tissue with a needle 4 1-844
Surgical access to the thoracic spine 4 5-031.02
Surgical access to the lumbar spine, sacrum or coccyx 4 5-032.41
Insertion of a permanent, artificial tracheal opening 4 5-312.2
Surgical stiffening of a joint (ankylosis) 4 5-808.0
Surgical removal of diseased bone or joint tissue in the spine 4 5-832.5
Other operations on the bone, muscles or joints 4 5-869.1
Operation with the smallest possible incision into the skin and minimal tissue damage (minimally invasive) 4 5-986.x
4 6-00c.0
Cancer treatment for one or more days with chemotherapy drugs administered into a vein or beneath the skin 4 8-542.11
Treatment of cardiac arrhythmias with electric shocks - defibrillation 4 8-640.0
4 8-718.72
Transfusion of other plasma components or genetically engineered blood proteins 4 8-812.51
4 8-831.04
Radio-controlled cardiological telemetry 4 8-933
4 8-98f.21
4 8-98f.30
Examination of the cerebrospinal fluid spaces not specified 1-204.0
Examination of the cerebrospinal fluid spaces not specified 1-204.3
Other examination of the function of the nervous system not specified 1-20a.30
Measurement of the electrical activity of the heart with a tube (catheter) inserted into the heart via an artery - electrophysiological investigation not specified 1-265.f
Measurement of the electrical activity of the heart without a tube (catheter) inserted into the heart via an artery not specified 1-266.1
Examination of the left side of the heart with a tube (catheter) inserted into the heart via an artery not specified 1-275.2
Examination of the left side of the heart with a tube (catheter) inserted into the heart via an artery not specified 1-275.5
Other investigations of the heart or blood vessels by means of a tube (catheter) not specified 1-279.a
Taking a tissue sample (biopsy) of the respiratory tract by endoscopy not specified 1-430.10
Taking a tissue sample (biopsy) of the lower digestive tract by endoscopy not specified 1-444.6
Taking a tissue sample (biopsy) of muscle or soft tissue through a surgical incision not specified 1-502.5
Taking a tissue sample (biopsy) of nerves outside the brain and spinal cord through a surgical incision not specified 1-513.9
Evaluation of swallowing with the help of a tube-shaped instrument with a camera mounted at the end (endoscope) not specified 1-613
Examination of the large intestine by endoscopy - colonoscopy not specified 1-650.0
Examination of the S-shaped part of the large intestine (sigmoid colon) by endoscopy not specified 1-651
Examination of the abdominal cavity or its organs by endoscopy not specified 1-694
not specified 1-717.0
not specified 1-717.1
Investigation of the activity of the heart and lungs during sleep not specified 1-791
Examination of the abdominal cavity by taking a sample of fluid or tissue with a needle not specified 1-853.2
Ultrasound of the biliary tract with access through the oesophagus not specified 3-055.0
Ultrasound the pancreas with access through the oesophagus not specified 3-056
Computed tomography of the pelvis with contrast medium not specified 3-226
Computed tomography (CT) of the blood vessels other than the main arteries and veins near the heart with contrast medium not specified 3-228
Magnetic resonance imaging (MRI) of the blood vessels apart from the main arteries and veins near the heart with contrast medium not specified 3-828
Magnetic resonance imaging (MRI) of the biliary tract and pancreatic ducts with contrast medium not specified 3-843.0
Surgical opening of the top of the skull not specified 5-010.01
Surgical opening of the top of the skull not specified 5-010.10
Surgical incision into the bones of the skull without further measures not specified 5-012.0
Surgical incision into the bones of the skull without further measures not specified 5-012.2
Reconstructive operations on the skull - cranioplasty not specified 5-020.2
Reconstructive operations on the meninges not specified 5-021.0
Surgical incision into the cerebrospinal fluid spaces not specified 5-022.00
Surgical incision into the cerebrospinal fluid spaces not specified 5-022.02
Insertion of an artificial channel for the passage of cerebrospinal fluid - CSF shunt not specified 5-023.10
Other operations on the skull (cranium), brain or meninges not specified 5-029.10
Surgical access to the area between the head and neck or to the cervical spine not specified 5-030.30
Surgical access to the area between the head and neck or to the cervical spine not specified 5-030.32
Surgical access to the area between the head and neck or to the cervical spine not specified 5-030.41
Surgical access to the area between the head and neck or to the cervical spine not specified 5-030.42
Surgical access to the area between the head and neck or to the cervical spine not specified 5-030.50
Surgical access to the area between the head and neck or to the cervical spine not specified 5-030.60
Surgical access to the area between the head and neck or to the cervical spine not specified 5-030.72
Surgical access to the thoracic spine not specified 5-031.00
Surgical access to the thoracic spine not specified 5-031.01
Surgical access to the thoracic spine not specified 5-031.30
Surgical access to the thoracic spine not specified 5-031.31
Surgical access to the thoracic spine not specified 5-031.32
Surgical access to the lumbar spine, sacrum or coccyx not specified 5-032.8
Surgical incision into the spinal canal not specified 5-033.2
Surgical removal or destruction of diseased tissue in the spinal cord or spinal meninges not specified 5-035.0
Surgical removal or destruction of diseased tissue in the spinal cord or spinal meninges not specified 5-035.2
Surgical removal or destruction of diseased tissue in the spinal cord or spinal meninges not specified 5-035.4
Reconstructive operations on the spinal cord or spinal meninges not specified 5-036.x
Operation on the cerebrospinal fluid spaces in the spinal canal not specified 5-038.0
Surgical removal of a nerve for transplantation not specified 5-042.0
Operation to divide adhesions around a nerve or to relieve pressure on the nerve or to abolish the nerve function not specified 5-056.40
Other operations on the nerves or nerve ganglions not specified 5-059.f0
Insertion of a temporary, artificial tracheal opening not specified 5-311.0
Insertion of a permanent, artificial tracheal opening not specified 5-312.0
Insertion of a permanent, artificial tracheal opening not specified 5-312.1
Surgical removal of the pleura not specified 5-344.13
Surgical removal of the pleura not specified 5-344.3
Insertion of a cardiac pacemaker or of a defibrillator not specified 5-377.30
Insertion of a cardiac pacemaker or of a defibrillator not specified 5-377.31
Insertion of a cardiac pacemaker or of a defibrillator not specified 5-377.8
Surgical suture of blood vessels not specified 5-388.a0
Creating a connection (shunt) between an artery and a vein not specified 5-392.10
Other reconstructive operations on the blood vessels not specified 5-397.00
Other operations on blood vessels not specified 5-399.5
Other operations on blood vessels not specified 5-399.7
not specified 5-429.v0
Surgical insertion of a tube into the stomach through the abdominal wall for artificial feeding not specified 5-431.21
Surgical removal or destruction of diseased tissue in the large intestine not specified 5-452.61
Other operations on the intestine not specified 5-469.d3
Other operations on the intestine not specified 5-469.e3
not specified 5-469.w3
Surgical opening of the abdominal cavity or tissue lying behind (retroperitoneum) not specified 5-541.1
Surgical creation of a connection between the urinary bladder and skin of the abdomen for artificial urinary drainage not specified 5-572.1
Surgical transplantation or transposition of bone tissue not specified 5-784.8x
Surgical fixation of the bone fragments, e.g. in fractures, using devices such as screws or plates not specified 5-786.x
Open surgical procedure on a joint not specified 5-800.9x
Surgical implantation of an artificial hip joint not specified 5-820.41
Surgical implantation of an artificial joint in the arm or shoulder not specified 5-824.21
Other operations to secure or restore the function of a joint not specified 5-829.k1
Surgical removal of diseased bone or joint tissue in the spine not specified 5-832.1
not specified 5-836.34
not specified 5-836.35
not specified 5-836.36
not specified 5-836.37
Surgical stiffening of the spine - spondylodesis not specified 5-836.50
Replacement of a vertebral body or complex reconstructive operation of the spine e.g. because of a humpback not specified 5-837.00
Other operations on the spine not specified 5-839.11
Other operations on the spine not specified 5-839.5
not specified 5-83b.30
not specified 5-83b.31
not specified 5-83b.52
not specified 5-83b.54
not specified 5-83b.55
not specified 5-83b.56
not specified 5-83b.x0
Other surgical incision into the skin or subcutaneous tissues not specified 5-892.09
Other surgical incision into the skin or subcutaneous tissues not specified 5-892.14
Other surgical incision into the skin or subcutaneous tissues not specified 5-892.1a
Surgical removal of diseased tissue from the skin or subcutaneous tissues not specified 5-894.16
Surgical removal of diseased tissue from the skin or subcutaneous tissues not specified 5-894.1f
Extensive surgical removal of diseased tissue from the skin or subcutaneous tissues not specified 5-895.0b
not specified 5-896.15
Simple surgical closure of the skin or the subcutaneous tissues after injuries, e.g. with a suture not specified 5-900.05
Simple surgical closure of the skin or the subcutaneous tissues after injuries, e.g. with a suture not specified 5-900.07
Simple surgical closure of the skin or the subcutaneous tissues after injuries, e.g. with a suture not specified 5-900.09
Simple surgical closure of the skin or the subcutaneous tissues after injuries, e.g. with a suture not specified 5-900.14
Temporary covering of soft tissue injuries with skin or artificial skin not specified 5-916.ax
Use of a cardiac pacemaker that can be used in a magnetic resonance tomography unit not specified 5-934.0
Premature termination of an operation (operation not carried out completely) not specified 5-995
Administration of medicines in accordance with List 1 of the procedures list not specified 6-001.h6
Administration of medicines in accordance with List 2 of the procedures list not specified 6-002.55
Administration of medicines in accordance with List 2 of the procedures list not specified 6-002.72
Administration of medicines in accordance with List 3 of the procedures list not specified 6-003.f0
not specified 6-006.22
not specified 6-006.26
not specified 6-007.61
not specified 6-008.f
not specified 6-00a.k4
not specified 8-019
Exchange or removal of a feeding tube inserted into the stomach through the skin not specified 8-123.0
Injection or administration of medicines into the urinary bladder not specified 8-132.1
Injection or administration of medicines into the urinary bladder not specified 8-132.2
Insertion of a small tube (cannula) or catheter into the space between the lungs and ribs for the drainage of fluid not specified 8-144.2
Insertion of a small tube (cannula) or catheter into another organ or tissue for the drainage of fluid not specified 8-148.x
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 8-151.1
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
Treatment by the targeted insertion of a needle into the abdominal cavity with subsequent administration or removal of substances, e.g. fluid not specified 8-153
Treatment by the targeted insertion of a needle into a joint with subsequent administration or removal of substances, e.g. fluid not specified 8-158.t
Specific dressing techniques not specified 8-190.20
Specific dressing techniques not specified 8-190.21
Treatment by specific positioning of the patient in bed, e.g. positioning in a sling table or special bed not specified 8-390.x
Cancer treatment for one or more days with chemotherapy drugs administered into a vein or beneath the skin not specified 8-542.12
Interdisciplinary measures for early postoperative treatment and early rehabilitation of ill elderly people not specified 8-550.0
Interdisciplinary measures for early postoperative treatment and early rehabilitation of ill elderly people not specified 8-550.1
Early postoperative treatment and early rehabilitation of patients with diseases of the nervous system or who have had neurosurgery not specified 8-552.0
Early postoperative treatment and early rehabilitation of patients with diseases of the nervous system or who have had neurosurgery not specified 8-552.6
Installation and adjustment of a mechanical ventilator for home use not specified 8-716.00
Installation and adjustment of a mechanical ventilator for home use not specified 8-716.01
not specified 8-718.71
Transfusion of blood, red blood cells or platelets from a donor to a recipient not specified 8-800.c1
Transfusion of blood, red blood cells or platelets from a donor to a recipient not specified 8-800.g2
Transfusion of blood plasma or plasma components or genetically engineered blood proteins not specified 8-810.w4
Transfusion of blood plasma or plasma components or genetically engineered blood proteins not specified 8-810.w8
Transfusion of blood plasma or plasma components or genetically engineered blood proteins not specified 8-810.wb
Transfusion of blood plasma or plasma components or genetically engineered blood proteins not specified 8-810.wc
Transfusion of blood plasma or plasma components or genetically engineered blood proteins not specified 8-810.we
Transfusion of blood plasma or plasma components or genetically engineered blood proteins not specified 8-810.wf
Transfusion of other plasma components or genetically engineered blood proteins not specified 8-812.52
Transfusion of other plasma components or genetically engineered blood proteins not specified 8-812.54
not specified 8-831.03
Insertion or exchange of a tube (catheter) in a large vein not specified 8-831.2
not specified 8-831.22
Destruction of the heart tissue because of a cardiac arrhythmia not specified 8-835.30
Treatment of the heart and/or the coronary arteries with access through a tube (catheter) along the blood vessels not specified 8-837.00
Treatment of the heart and/or the coronary arteries with access through a tube (catheter) along the blood vessels not specified 8-837.m1
Additional information on materials used not specified 8-83b.0c
Additional information on materials used not specified 8-83b.c6
Procedure for dialysing the blood outside the body with removal of the poison over a concentration gradient - dialysis not specified 8-854.71
Procedure for dialysing the blood outside the body with removal of the poison over a concentration gradient - dialysis not specified 8-854.73
Anaesthesia with administration of an anaesthetic into a vein not specified 8-900
Pain control by injecting an anaesthetic around a nerve root or nerve close to the spine not specified 8-914.10
Pain control by injecting an anaesthetic into a joint of the spine not specified 8-917.13
Interdisciplinary management other chronic illnesses not specified 8-97d.0
Interdisciplinary management for colonisation or infection with multiresistant germs (pathogens) not specified 8-987.10
Interdisciplinary management for colonisation or infection with multiresistant germs (pathogens) not specified 8-987.11
Interdisciplinary management for colonisation or infection with multiresistant germs (pathogens) not specified 8-987.12
Interdisciplinary management for colonisation or infection with multiresistant germs (pathogens) not specified 8-987.13
not specified 8-98f.11
not specified 8-98f.20
not specified 8-98f.31
not specified 8-98f.40
not specified 8-98f.41
not specified 8-98f.50
not specified 8-98f.60
not specified 8-98f.61
not specified 8-98g.14
Treatment of physically or functionally induced disorders of speech, language, the voice or swallowing not specified 9-320