| Service | Number of cases | OPS key | Info | 
																			
											| Care of a new-born baby after birth | 801 | 9-262.0 |  | 
																			
											| Measurement of hearing - audiometry | 768 | 1-242 |  | 
																			
											| Monitoring and care of normal childbirth | 406 | 9-260 |  | 
																			
											| Ultrasound of the female reproductive organs with access through the vagina | 206 | 3-05d |  | 
																			
											| Reconstructive operations on the female reproductive organs after a perineal tear during delivery | 175 | 5-758.4 |  | 
																			
											| Other caesarean section | 133 | 5-749.11 |  | 
																			
											| Reconstructive operations on the female reproductive organs after a perineal tear during delivery | 121 | 5-758.3 |  | 
																			
											| Surgical incision into the breast | 114 | 5-881.1 |  | 
																			
											| Other caesarean section | 93 | 5-749.10 |  | 
																			
											| Regional pain control by injecting an anaesthetic into a space in the spinal canal (epidural space) | 86 | 8-910 |  | 
																			
											| Other caesarean section | 64 | 5-749.0 |  | 
																			
											| Surgical removal of individual lymph nodes or lymphatic vessels | 61 | 5-401.12 |  | 
																			
											| Breast-conserving surgical removal of breast tissue, without taking the axillary lymph nodes | 61 | 5-870.a2 |  | 
																			
											| X-rays of the breast | 55 | 3-100.1 |  | 
																			
											| Computed tomography of the abdomen with contrast medium | 46 | 3-225 |  | 
																			
											| X-rays of the breast | 44 | 3-100.0 |  | 
																			
											| Monitoring and care of childbirth with increased risk for the mother or child | 44 | 9-261 |  | 
																			
											| Breast-conserving surgical removal of breast tissue, without taking the axillary lymph nodes | 35 | 5-870.a1 |  | 
																			
											| Vaginal delivery by means of a vacuum extractor | 34 | 5-728.0 |  | 
																			
											| Surgical tightening of the vaginal wall or perineal floor, with access through the vagina | 30 | 5-704.10 |  | 
																			
											| Surgical tightening of the vaginal wall or perineal floor, with access through the vagina | 29 | 5-704.00 |  | 
																			
											| Surgical removal of the breast (mastectomy), without taking the axillary lymph nodes | 26 | 5-872.1 |  | 
																			
											| Surgical destruction of the upper part of the lining of the womb (endometrium) - curettage | 24 | 5-690.0 |  | 
																			
											| Extension of the vaginal opening with an incision into the perineum (episiotomy) during childbirth, with subsequent suturing | 24 | 5-738.0 |  | 
																			
											| Vaginal delivery by means of a vacuum extractor | 23 | 5-728.1 |  | 
																			
											| Other operations on the intestine | 22 | 5-469.21 |  | 
																			
											| Surgical removal or destruction of tissue in the ovary | 22 | 5-651.92 |  | 
																			
											| Complete surgical removal of the uterus - hysterectomy | 21 | 5-683.01 |  | 
																			
											| Gamma probe measurement when removing a particular lymph node in cancerous diseases, e.g. with breast cancer | 20 | 3-760 |  | 
																			
											| Clearance of several lymph nodes from a region [as a standalone operation] | 20 | 5-402.12 |  | 
																			
											| Computed tomography of the chest with contrast medium | 19 | 3-222 |  | 
																			
											| Hospital treatment prior to delivery in the same stay | 19 | 9-280.0 |  | 
																			
											| Surgical removal of a fallopian tube | 17 | 5-661.62 |  | 
																			
											| Examination of the uterus by endoscopy | 15 | 1-672 |  | 
																			
											| Surgical tightening of the vaginal wall or perineal floor, with access through the vagina | 15 | 5-704.4f |  | 
																			
											| 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 | 15 | 8-930 |  | 
																			
											| Artificial rupture of membranes | 14 | 5-730 |  | 
																			
											| Surgical removal of the ovary and the fallopian tube | 13 | 5-653.32 |  | 
																			
											| Almost complete surgical removal of the womb (uterus) | 13 | 5-682.02 |  | 
																			
											| Reconstructive operations on the female reproductive organs after a perineal tear during delivery | 13 | 5-758.2 |  | 
																			
											| Transfusion of blood, red blood cells or platelets from a donor to a recipient | 13 | 8-800.c0 |  | 
																			
											|  | 12 | 9-984.7 |  | 
																			
											| Temporary covering of soft tissue injuries with skin or artificial skin | 11 | 5-916.a0 |  | 
																			
											|  | 11 | 9-984.8 |  | 
																			
											| Temporary covering of soft tissue injuries with skin or artificial skin | 10 | 5-916.7c |  | 
																			
											|  | 10 | 8-98g.10 |  | 
																			
											| Surgical division of adhesions on the ovary and fallopian tube without the aid of equipment for optical magnification | 9 | 5-657.72 |  | 
																			
											| Classic caesarean section | 9 | 5-740.1 |  | 
																			
											| Reconstructive operations on the female reproductive organs after a perineal tear during delivery | 9 | 5-758.5 |  | 
																			
											|  | 9 | 5-896.1b |  | 
																			
											| Removal of the retained placenta after childbirth | 8 | 5-756.1 |  | 
																			
											| Care of a new-born baby after birth | 8 | 9-262.1 |  | 
																			
											|  | 8 | 9-984.b |  | 
																			
											| Classic caesarean section | 7 | 5-740.0 |  | 
																			
											| Taking a tissue sample (biopsy) of the lining of the uterus (endometrium) without surgical incision | 6 | 1-471.2 |  | 
																			
											| Magnetic resonance imaging (MRI) of the abdominal cavity with contrast medium | 6 | 3-825 |  | 
																			
											| Operation to lift the neck of the bladder in cases of urinary incontinence, with access through the vagina | 6 | 5-593.20 |  | 
																			
											| Surgical removal of the ovary | 5 | 5-652.62 |  | 
																			
											| Examination of the urethra and the urinary bladder by endoscopy | 4 | 1-661 |  | 
																			
											| Surgical opening of the abdominal cavity or tissue lying behind (retroperitoneum) | 4 | 5-541.1 |  | 
																			
											| Surgical removal of a fallopian tube | 4 | 5-661.52 |  | 
																			
											| Surgical destruction or closure of the fallopian tube - sterilisation operation for women | 4 | 5-663.10 |  | 
																			
											| Surgical tightening of the vaginal wall or perineal floor, with access through the vagina | 4 | 5-704.4e |  | 
																			
											| Removal of the retained placenta after childbirth | 4 | 5-756.0 |  | 
																			
											| Surgical removal of the breast (mastectomy), without taking the axillary lymph nodes | 4 | 5-872.0 |  | 
																			
											| Treatment of vaginal bleeding by packing with absorbent material (tamponade), not in relation to childbirth | 4 | 8-504 |  | 
																			
											|  | 4 | 9-984.6 |  | 
																			
											| Examination of the cerebrospinal fluid spaces | not specified | 1-204.2 |  | 
																			
											| Examination of nerve conduction - ENG | not specified | 1-206 |  | 
																			
											| Measurement of brain waves triggered by targeted stimuli (evoked potentials) | not specified | 1-208.6 |  | 
																			
											| Taking a tissue sample (biopsy) of the respiratory tract through the skin, guided by imaging procedures such as ultrasound | not specified | 1-432.1 |  | 
																			
											| Taking a tissue sample (biopsy) of the lower digestive tract by endoscopy | not specified | 1-444.7 |  | 
																			
											| Taking a tissue sample (biopsy) of the female reproductive organs with a needle through the skin | not specified | 1-470.5 |  | 
																			
											| Taking a tissue sample (biopsy) of the lining of the uterus (endometrium) without surgical incision | not specified | 1-471.1 |  | 
																			
											| Taking a tissue sample (biopsy) of skin or subcutaneous tissues without surgical incision | not specified | 1-490.4 |  | 
																			
											| Taking a tissue sample (biopsy) of other organs or tissues with a needle | not specified | 1-493.30 |  | 
																			
											| Taking a tissue sample (biopsy) of the breast through a surgical incision | not specified | 1-501 |  | 
																			
											| Taking a tissue sample (biopsy) of any other digestive tract organ, the peritoneum, or the tissue lying behind the peritoneum (retroperitoneum) through a surgical incision | not specified | 1-559.2 |  | 
																			
											| Taking a tissue sample (biopsy) of the ovary, fallopian tubes or uterine ligaments through a surgical incision | not specified | 1-570.1 |  | 
																			
											| Taking a tissue sample (biopsy) of the uterus or cervix through a surgical incision | not specified | 1-571.1 |  | 
																			
											| Taking a tissue sample (biopsy) of the mediastinum and other organs in the chest through a surgical incision | not specified | 1-581.4 |  | 
																			
											| Examination of the trachea and the bronchi by endoscopy | not specified | 1-620.01 |  | 
																			
											| Examination of the large intestine by endoscopy - colonoscopy | not specified | 1-650.2 |  | 
																			
											| Examination of the abdominal cavity or its organs by endoscopy | not specified | 1-694 |  | 
																			
											| Examination of the abdominal cavity by taking a sample of fluid or tissue with a needle | not specified | 1-853.2 |  | 
																			
											|  | not specified | 1-999.40 |  | 
																			
											| Other ultrasound scanning by means of inserting an ultrasound device into the body | not specified | 3-05x |  | 
																			
											| X-rays of the kidney and urinary tract with contrast medium | not specified | 3-13d.5 |  | 
																			
											| X-rays of the urinary bladder with contrast medium | not specified | 3-13f |  | 
																			
											| Computed tomography (CT) of the head without contrast medium | not specified | 3-200 |  | 
																			
											| Computed tomography (CT) of the spine and the spinal cord without contrast medium | not specified | 3-203 |  | 
																			
											| Computed tomography (CT) of the pelvis without contrast medium | not specified | 3-206 |  | 
																			
											| Computed tomography (CT) of the abdomen without contrast medium | not specified | 3-207 |  | 
																			
											| Computed tomography of the pelvis with contrast medium | not specified | 3-226 |  | 
																			
											| Computed tomography (CT) of the musculoskeletal system with contrast medium | not specified | 3-227 |  | 
																			
											| Other computed tomography (CT) with contrast medium | not specified | 3-22x |  | 
																			
											| Magnetic resonance imaging (MRI) of the head without contrast medium | not specified | 3-800 |  | 
																			
											| Magnetic resonance imaging (MRI) of the abdominal cavity without contrast medium | not specified | 3-804 |  | 
																			
											| Magnetic resonance imaging (MRI) of the head with contrast medium | not specified | 3-820 |  | 
																			
											| Surgical removal or destruction of diseased tissue in the chest wall | not specified | 5-343.0 |  | 
																			
											| Other operations on blood vessels | not specified | 5-399.5 |  | 
																			
											| Other operations on blood vessels | not specified | 5-399.7 |  | 
																			
											| Surgical removal of individual lymph nodes or lymphatic vessels | not specified | 5-401.11 |  | 
																			
											| Clearance of several lymph nodes from a region [as a standalone operation] | not specified | 5-402.11 |  | 
																			
											| Surgical removal of the small intestine | not specified | 5-454.20 |  | 
																			
											| Surgical removal of parts of the large intestine | not specified | 5-455.75 |  | 
																			
											| Other reconstructive operations on the intestine | not specified | 5-467.0x |  | 
																			
											| Other operations on the intestine | not specified | 5-469.11 |  | 
																			
											| Other operations on the intestine | not specified | 5-469.20 |  | 
																			
											| Other operations on the intestine | not specified | 5-469.71 |  | 
																			
											| Surgical removal of the appendix - appendicectomy | not specified | 5-470.11 |  | 
																			
											| Removal of the appendix during another operation | not specified | 5-471.11 |  | 
																			
											| Reconstructive operations on the rectum | not specified | 5-486.0 |  | 
																			
											| Corrective surgery for the anus or anal sphincter muscle | not specified | 5-496.3 |  | 
																			
											| Surgical opening of the abdominal cavity or tissue lying behind (retroperitoneum) | not specified | 5-541.2 |  | 
																			
											| Surgical repair of the abdominal wall or the peritoneum | not specified | 5-545.0 |  | 
																			
											| Other abdominal operations | not specified | 5-549.5 |  | 
																			
											| Other operations on the ureter | not specified | 5-569.30 |  | 
																			
											| Other reconstructive operations on the urinary bladder | not specified | 5-578.00 |  | 
																			
											| Surgical removal or destruction of diseased tissue in the urethra | not specified | 5-582.0 |  | 
																			
											| Surgical incision into or removal of tissue lying behind the abdominal cavity (retroperitoneum) | not specified | 5-590.33 |  | 
																			
											| Surgical incision into the ovary | not specified | 5-650.4 |  | 
																			
											| Surgical removal or destruction of tissue in the ovary | not specified | 5-651.82 |  | 
																			
											| Surgical removal or destruction of tissue in the ovary | not specified | 5-651.b2 |  | 
																			
											| Surgical division of adhesions on the ovary and fallopian tube without the aid of equipment for optical magnification | not specified | 5-657.62 |  | 
																			
											| Surgical division of adhesions on the ovary and fallopian tube without the aid of equipment for optical magnification | not specified | 5-657.70 |  | 
																			
											| Surgical division of adhesions on the ovary and fallopian tube without the aid of equipment for optical magnification | not specified | 5-657.90 |  | 
																			
											| Surgical division of adhesions on the ovary and fallopian tube without the aid of equipment for optical magnification | not specified | 5-657.92 |  | 
																			
											| Surgical division of adhesions on the ovary and fallopian tube with the aid of equipment for optical magnification | not specified | 5-658.7 |  | 
																			
											| Other operations on the ovary | not specified | 5-659.22 |  | 
																			
											| Surgical removal of a fallopian tube | not specified | 5-661.60 |  | 
																			
											| Surgical destruction or closure of the fallopian tube - sterilisation operation for women | not specified | 5-663.50 |  | 
																			
											| Surgical removal or destruction of diseased tissue in the fallopian tube | not specified | 5-665.42 |  | 
																			
											| Restoration of the patency of the fallopian tubes by the injection of fluid or gas | not specified | 5-667.1 |  | 
																			
											| Dilatation of the cervix | not specified | 5-670 |  | 
																			
											| Other surgical removal or destruction of diseased cervical tissue | not specified | 5-672.0 |  | 
																			
											| Other reconstructive operations on the cervix | not specified | 5-675.x |  | 
																			
											| Surgical removal and destruction of diseased uterine tissue | not specified | 5-681.83 |  | 
																			
											| Almost complete surgical removal of the womb (uterus) | not specified | 5-682.00 |  | 
																			
											| Complete surgical removal of the uterus - hysterectomy | not specified | 5-683.00 |  | 
																			
											| Complete surgical removal of the uterus - hysterectomy | not specified | 5-683.03 |  | 
																			
											| Complete surgical removal of the uterus - hysterectomy | not specified | 5-683.10 |  | 
																			
											| Complete surgical removal of the uterus - hysterectomy | not specified | 5-683.20 |  | 
																			
											| Complete surgical removal of the uterus - hysterectomy | not specified | 5-683.23 |  | 
																			
											| Complete surgical removal of the uterus - hysterectomy | not specified | 5-683.25 |  | 
																			
											| Surgical destruction of the upper part of the lining of the womb (endometrium) - curettage | not specified | 5-690.1 |  | 
																			
											| Surgical destruction of the upper part of the lining of the womb (endometrium) - curettage | not specified | 5-690.2 |  | 
																			
											| Removal of a foreign body from the womb (uterus) | not specified | 5-691 |  | 
																			
											| Reconstructive operations on the womb (uterus) | not specified | 5-695.00 |  | 
																			
											| Surgical opening of the lower abdominal cavity (pouch of Douglas) from the vagina - culdotomy | not specified | 5-700 |  | 
																			
											| Surgical removal or destruction of diseased tissue in the vagina or the space between the uterus and the large intestine (pouch of Douglas), with access through the vagina | not specified | 5-702.2 |  | 
																			
											| Surgical removal or destruction of diseased tissue in the vagina or the space between the uterus and the large intestine (pouch of Douglas), with access through the vagina | not specified | 5-702.4 |  | 
																			
											| Surgical incision into the external female reproductive organs | not specified | 5-710 |  | 
																			
											| Operation on a Bartholin-s gland | not specified | 5-711.0 |  | 
																			
											| Operation on a Bartholin-s gland | not specified | 5-711.1 |  | 
																			
											| Other surgical removal or destruction of diseased tissue in the external female reproductive organs | not specified | 5-712.0 |  | 
																			
											| Other operations on the female reproductive organs | not specified | 5-719 |  | 
																			
											| Forceps delivery through the vagina | not specified | 5-720.0 |  | 
																			
											| Failed vaginal delivery | not specified | 5-733.1 |  | 
																			
											| Extension of the vaginal opening with an incision into the perineum (episiotomy) during childbirth, with subsequent suturing | not specified | 5-738.2 |  | 
																			
											| Operation when the fertilised egg has implanted outside the uterus (ectopic pregnancy) | not specified | 5-744.02 |  | 
																			
											| Operation when the fertilised egg has implanted outside the uterus (ectopic pregnancy) | not specified | 5-744.42 |  | 
																			
											| Reconstructive operations on the female reproductive organs after a perineal tear during delivery | not specified | 5-758.0 |  | 
																			
											| Reconstructive operations on the female reproductive organs after a perineal tear during delivery | not specified | 5-758.6 |  | 
																			
											| Reconstructive operations on the female reproductive organs after a perineal tear during delivery | not specified | 5-758.8 |  | 
																			
											| Other operations in relation to childbirth | not specified | 5-759.1 |  | 
																			
											| Surgical incision into the muscles, tendons or their connective tissue sheaths | not specified | 5-850.82 |  | 
																			
											| Surgical incision into the muscles, tendons or their connective tissue sheaths | not specified | 5-850.b5 |  | 
																			
											| Removal of parts of muscles, tendons or their connective tissue sheaths | not specified | 5-852.45 |  | 
																			
											| Breast-conserving surgical removal of breast tissue, without taking the axillary lymph nodes | not specified | 5-870.a0 |  | 
																			
											| Surgical incision into the breast | not specified | 5-881.0 |  | 
																			
											| Surgical breast augmentation | not specified | 5-883.00 |  | 
																			
											| Surgical breast augmentation | not specified | 5-883.10 |  | 
																			
											| Other reconstructive operations on the breast | not specified | 5-886.21 |  | 
																			
											| Other reconstructive operations on the breast | not specified | 5-886.80 |  | 
																			
											| Other operations on the breast | not specified | 5-889.40 |  | 
																			
											| Other operations on the breast | not specified | 5-889.50 |  | 
																			
											| Other operations on the breast | not specified | 5-889.6 |  | 
																			
											| Other surgical incision into the skin or subcutaneous tissues | not specified | 5-892.0a |  | 
																			
											| Other surgical incision into the skin or subcutaneous tissues | not specified | 5-892.0b |  | 
																			
											| Other surgical incision into the skin or subcutaneous tissues | not specified | 5-892.1b |  | 
																			
											| Other surgical incision into the skin or subcutaneous tissues | not specified | 5-892.xc |  | 
																			
											| Surgical removal of diseased tissue from the skin or subcutaneous tissues | not specified | 5-894.1a |  | 
																			
											| Surgical removal of diseased tissue from the skin or subcutaneous tissues | not specified | 5-894.1b |  | 
																			
											|  | not specified | 5-896.1a |  | 
																			
											|  | not specified | 5-896.2b |  | 
																			
											| Simple surgical closure of the skin or the subcutaneous tissues after injuries, e.g. with a suture | not specified | 5-900.04 |  | 
																			
											| Simple surgical closure of the skin or the subcutaneous tissues after injuries, e.g. with a suture | not specified | 5-900.xc |  | 
																			
											| Simple surgical closure of the skin or the subcutaneous tissues after injuries, e.g. with a suture | not specified | 5-900.xx |  | 
																			
											| Other reconstructive operations on the skin or subcutaneous tissues | not specified | 5-909.1a |  | 
																			
											| Type of material used for tissue replacement and tissue reinforcement | not specified | 5-932.41 |  | 
																			
											| Insertion, exchange or removal of a ureteral stent | not specified | 8-137.00 |  | 
																			
											|  | not specified | 8-137.20 |  | 
																			
											| Insertion of a small tube (cannula) or catheter into another organ or tissue for the drainage of fluid | not specified | 8-148.0 |  | 
																			
											| 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 |  | 
																			
											| Other treatment by the targeted insertion of a needle with subsequent administration or removal of substances, e.g. fluid | not specified | 8-159.x |  | 
																			
											| Treatment by washing out (lavage) the abdominal cavity with a drain and temporary closure of the abdominal wall | not specified | 8-176.0 |  | 
																			
											| Specific dressing techniques | not specified | 8-190.20 |  | 
																			
											| Specific dressing techniques | not specified | 8-190.23 |  | 
																			
											|  | not specified | 8-192.xb |  | 
																			
											| Use of natural or artificial light for therapeutic purposes - light therapy | not specified | 8-560.2 |  | 
																			
											| Transfusion of blood, red blood cells or platelets from a donor to a recipient | not specified | 8-800.1 |  | 
																			
											| Transfusion of other plasma components or genetically engineered blood proteins | not specified | 8-812.60 |  | 
																			
											| Anaesthesia with administration of an anaesthetic into a vein | not specified | 8-900 |  | 
																			
											| Regional pain control by injecting an anaesthetic into a space in the spinal canal (subarachnoid space) | not specified | 8-911 |  | 
																			
											| Treatment on the intensive care unit (basic procedures) | not specified | 8-980.0 |  | 
																			
											| Interdisciplinary management for colonisation or infection with multiresistant germs (pathogens) | not specified | 8-987.10 |  | 
																			
											|  | not specified | 8-98g.11 |  | 
																			
											| Monitoring and care of childbirth [not otherwise specified] | not specified | 9-268 |  | 
																			
											| Hospital treatment prior to delivery in the same stay | not specified | 9-280.1 |  | 
																			
											|  | not specified | 9-984.9 |  | 
																			
											|  | not specified | 9-984.a |  |