| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Percutaneous core needle biopsy of lung | Approach | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier |  | 
| Core needle biopsy of breast | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 2 | 
| Intrauterine transfusion | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 2 | 
| Thrombectomy with catheter of axillary artery by arm incision | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 3 | 
| Embolectomy with catheter of subclavian artery by thoracic incision | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 2 | 
| Embolectomy with catheter of brachial artery by arm incision | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 3 | 
| Percutaneous balloon valvuloplasty of pulmonary valve | Access | True | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous needle biopsy of muscle | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous nephrostomy | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier |  | 
| Embolectomy with catheter of subclavian artery by arm incision | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 3 | 
| Thrombectomy with catheter of aortoiliac artery by abdominal incision | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier |  | 
| Aspiration of trachea, percutaneous | Approach | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier |  | 
| Embolectomy with catheter of subclavian artery by neck incision | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 2 | 
| Insertion of extravascular umbrella of inferior vena cava, complete | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier |  | 
| Ultrasonic fragmentation of urinary stone through percutaneous nephrostomy | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier |  | 
| Removal of implanted intra-arterial infusion pump | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier |  | 
| Maintenance of thoracic drain | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier |  | 
| Percutaneous transluminal angioplasty of renal artery | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Insertion of implantable intravenous infusion pump | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier |  | 
| Removal of coronary artery obstruction by percutaneous transluminal balloon with thrombolytic agent | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 2 | 
| Spinal percutaneous cordotomy | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Embolectomy with catheter of aortoiliac artery by leg incision | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 3 | 
| Revision of implantable intravenous infusion pump | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier |  | 
| Pulmonary valve commissurotomy by transvenous balloon method | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 2 | 
| Insertion of intravascular umbrella of inferior vena cava, complete | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier |  | 
| Irrigation of nephrostomy | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier |  | 
| Intrauterine cordocentesis | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier |  | 
| Percutaneous transluminal balloon angioplasty | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Removal of coronary artery obstruction by percutaneous transluminal balloon, single vessel | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous valvuloplasty | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous core needle biopsy of mediastinum | Approach | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier |  | 
| Chemotherapy administration into pleural cavity requiring thoracentesis | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 2 | 
| Measuring output from thoracic drain | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier |  | 
| Thrombectomy with catheter of brachial artery by arm incision | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier |  | 
| Percutaneous fine needle biopsy of liver | Approach | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier |  | 
| Percutaneous core needle biopsy of pleura | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous core needle biopsy of pleura | Approach | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier |  | 
| Infusion of intra-arterial thrombolytic agent with percutaneous transluminal coronary angioplasty | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 4 | 
| Tenotomy of adductor of hip, subcutaneous, open | Approach | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier |  | 
| Percutaneous balloon valvuloplasty of aortic valve | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 2 | 
| Insertion of implantable venous access port | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier |  | 
| Infusion of intra-arterial thrombolytic agent with percutaneous transluminal coronary angioplasty, multiple vessels | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 6 | 
| Insertion of intravascular device in femoral vein, partial | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier |  | 
| Insertion of intravascular device in common iliac vein, partial | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier |  | 
| Percutaneous transluminal coronary angioplasty, multiple vessels | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 2 | 
| Percutaneous transluminal vertebral artery balloon angioplasty | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Insertion of sieve into vena cava | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier |  | 
| Percutaneous transluminal renal artery balloon angioplasty | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 5 | 
| Thrombectomy with catheter of subclavian artery by arm incision | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier |  | 
| Insertion of implantable intra-arterial infusion pump | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier |  | 
| Percutaneous transluminal angioplasty of peripheral artery | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 2 | 
| Removal of implantable intravenous infusion pump | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier |  | 
| Removal of pyelostomy and nephrostomy tubes | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier |  | 
| Percutaneous injection of therapeutic substance into cyst of kidney | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier |  | 
| Infusion of intra-arterial thrombolytic agent with percutaneous transluminal coronary angioplasty, single vessel | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Thoracentesis | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 2 | 
| Percutaneous cystography | Approach | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier |  | 
| Percutaneous transluminal injection of therapeutic substance into liver | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 2 | 
| Diagnostic percutaneous operations on liver | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Therapeutic percutaneous operations on gallbladder | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 3 | 
| Diagnostic percutaneous operations on gallbladder | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Therapeutic percutaneous attention to connection of bile duct | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier |  | 
| Percutaneous dilation of anastomosis of bile duct and insertion of tubal prosthesis however further qualified | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 3 | 
| Therapeutic percutaneous insertion of prosthesis into bile duct | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous insertion of tubal prosthesis into both hepatic ducts | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous insertion of tubal prosthesis into common bile duct | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Renewal of percutaneously inserted tubal prosthesis in bile duct | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Removal of percutaneously inserted tubal prosthesis from bile duct | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous drainage of lesion of pancreas and insertion of temporary external drain however further qualified | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 2 | 
| Diagnostic percutaneous operations on pancreas | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous transluminal ablation of atrioventricular node | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous transluminal balloon angioplasty of aorta | Access | True | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous transluminal angioplasty of carotid artery | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier |  | 
| Percutaneous transluminal embolization of cerebral artery | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous transluminal embolization of circle of Willis | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous transluminal angioplasty of iliac artery | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier |  | 
| Percutaneous transluminal angioplasty of femoral artery | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier |  | 
| Percutaneous transluminal embolization of vein | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous transluminal cannulation of vein | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Nephroscopy and electrohydraulic lithotripsy of renal calculus | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier |  | 
| Endoscopic extirpation of lesion of kidney | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier |  | 
| Irrigation of kidney | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier |  | 
| Operations along nephrostomy track | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Therapeutic nephroscopic operations on ureter | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier |  | 
| Percutaneous nephroscopic balloon dilatation of ureter | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier |  | 
| Introduction of substance into pleural cavity | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Image controlled percutaneous drainage of pelvic abscess | Access | True | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous discectomy | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous diagnostic puncture of bone | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Therapeutic percutaneous puncture of bone | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Therapeutic aspiration of hygroma | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier |  | 
| Therapeutic percutaneous drainage of pancreas operations | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous attention to tube in bile duct | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier |  | 
| Puncture and drainage of pleural cavity | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier |  | 
| Therapeutic percutaneous operation on pancreas | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Diagnostic percutaneous examination of fetus | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier |  | 
| Percutaneous needle biopsy | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous transluminal dilation of artery using Grunzig catheter | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Maintenance of drainage tube of kidney | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier |  | 
| Percutaneous arterial device procedure | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous venous device procedure | Access | False | Percutaneous approach - access | Inferred relationship | Existential restriction modifier | 1 |