| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Lithium renal clearance measurement | Procedure site | False | Kidney structure | Inferred relationship | Some | 1 | 
| Acute renal failure with oliguria | Finding site | True | Kidney structure | Inferred relationship | Some | 4 | 
| Nephrotomy with drainage | Procedure site - Indirect | True | Kidney structure | Inferred relationship | Some | 2 | 
| Nephrotomy with drainage | Procedure site - Direct | True | Kidney structure | Inferred relationship | Some | 1 | 
| Medullary sponge kidney | Finding site | False | Kidney structure | Inferred relationship | Some | 2 | 
| Autotransplantation of kidney | Procedure site - Indirect | True | Kidney structure | Inferred relationship | Some | 1 | 
| Macroscopic nephrocalcinosis | Finding site | True | Kidney structure | Inferred relationship | Some | 1 | 
| Acute nephritic syndrome, minor glomerular abnormality | Finding site | False | Kidney structure | Inferred relationship | Some | 1 | 
| Acute pyelonephritis NOS | Finding site | False | Kidney structure | Inferred relationship | Some | 1 | 
| Renal and perinephric abscess NOS | Finding site | False | Kidney structure | Inferred relationship | Some | 1 | 
| Horseshoe kidney | Finding site | False | Kidney structure | Inferred relationship | Some | 1 | 
| Permanent percutaneous nephrostomy | Procedure site - Indirect | True | Kidney structure | Inferred relationship | Some | 1 | 
| Suture of renal laceration | Procedure site - Direct | True | Kidney structure | Inferred relationship | Some | 1 | 
| Therapeutic open aspiration of renal cyst | Procedure site | True | Kidney structure | Inferred relationship | Some | 2 | 
| Therapeutic open aspiration of renal cyst | Procedure site - Indirect | True | Kidney structure | Inferred relationship | Some | 1 | 
| Specimen from kidney obtained by fine needle aspiration procedure | Specimen source topography | False | Kidney structure | Inferred relationship | Some | 1 | 
| SLE glomerulonephritis syndrome, WHO class III | Finding site | True | Kidney structure | Inferred relationship | Some | 1 | 
| Tryptophan malabsorption syndrome | Finding site | True | Kidney structure | Inferred relationship | Some | 1 | 
| Other specified incision of kidney | Procedure site - Direct | False | Kidney structure | Inferred relationship | Some | 1 | 
| Renal agenesis, unspecified | Finding site | False | Kidney structure | Inferred relationship | Some | 1 | 
| Membranous nephritis unspecified | Finding site | False | Kidney structure | Inferred relationship | Some | 1 | 
| Pyelonephritis | Finding site | False | Kidney structure | Inferred relationship | Some | 1 | 
| Desmopressin test | Procedure site | False | Kidney structure | Inferred relationship | Some | 1 | 
| Congenital absence of kidney NOS | Finding site | False | Kidney structure | Inferred relationship | Some | 1 | 
| Insertion of drainage tube into kidney | Procedure site - Indirect | True | Kidney structure | Inferred relationship | Some | 1 | 
| Renal osteodystrophy assessment | Procedure site | True | Kidney structure | Inferred relationship | Some | 1 | 
| Maintenance of drainage tube of kidney | Procedure site - Indirect | True | Kidney structure | Inferred relationship | Some | 1 | 
| Nephrotomy with exploration | Procedure site - Direct | False | Kidney structure | Inferred relationship | Some | 1 | 
| Congenital uraemia | Finding site | False | Kidney structure | Inferred relationship | Some | 1 | 
| Nephroplasty | Procedure site - Direct | False | Kidney structure | Inferred relationship | Some | 1 | 
| SLE glomerulonephritis syndrome, WHO class IV | Finding site | True | Kidney structure | Inferred relationship | Some | 1 | 
| X-linked recessive nephrolithiasis with renal failure | Finding site | True | Kidney structure | Inferred relationship | Some | 1 | 
| Nephroscopy and electrohydraulic lithotripsy of renal calculus | Procedure site - Indirect | True | Kidney structure | Inferred relationship | Some | 1 | 
| Saralasin test | Procedure site | False | Kidney structure | Inferred relationship | Some | 1 | 
| Repair of renal laceration | Procedure site - Direct | True | Kidney structure | Inferred relationship | Some | 1 | 
| Soft tissue X-ray kidney | Procedure site - Direct | True | Kidney structure | Inferred relationship | Some | 1 | 
| Henoch-Schönlein nephritis | Finding site | False | Kidney structure | Inferred relationship | Some | 1 | 
| Incision of kidney NOS | Procedure site - Direct | False | Kidney structure | Inferred relationship | Some | 1 | 
| Irrigation of kidney | Procedure site - Direct | True | Kidney structure | Inferred relationship | Some | 1 | 
| Acute nephritic syndrome, focal and segmental glomerular lesions | Finding site | False | Kidney structure | Inferred relationship | Some | 1 | 
| Nephropexy | Procedure site - Direct | True | Kidney structure | Inferred relationship | Some | 1 | 
| Nephritis unspecified with lesion of membranoproliferative glomerulonephritis NOS | Finding site | False | Kidney structure | Inferred relationship | Some | 1 | 
| Microscopic nephrocalcinosis | Finding site | True | Kidney structure | Inferred relationship | Some | 1 | 
| Transplantation of kidney NOS | Procedure site - Indirect | False | Kidney structure | Inferred relationship | Some | 1 | 
| Renal agenesis, unspecified NOS | Finding site | False | Kidney structure | Inferred relationship | Some | 1 | 
| Hyperplasia of kidney | Finding site | False | Kidney structure | Inferred relationship | Some | 1 | 
| Chronic pyelonephritis NOS | Finding site | False | Kidney structure | Inferred relationship | Some | 1 | 
| Lucke frog kidney carcinoma | Finding site | False | Kidney structure | Inferred relationship | Some | 1 | 
| Ruptured kidney NOS | Finding site | False | Kidney structure | Inferred relationship | Some | 1 | 
| Open excision of renal lesion | Procedure site - Direct | True | Kidney structure | Inferred relationship | Some | 2 | 
| Rapidly progressive nephritic syndrome, diffuse crescentic glomerulonephritis | Finding site | False | Kidney structure | Inferred relationship | Some | 1 | 
| Congenital renal failure | Finding site | False | Kidney structure | Inferred relationship | Some | 1 | 
| Incisional biopsy of kidney | Procedure site - Direct | True | Kidney structure | Inferred relationship | Some | 1 | 
| Rapidly progressive nephritic syndrome, diffuse endocapillary proliferative glomerulonephritis | Finding site | False | Kidney structure | Inferred relationship | Some | 1 | 
| Rapidly progressive nephritic syndrome, diffuse mesangiocapillary glomerulonephritis | Finding site | False | Kidney structure | Inferred relationship | Some | 1 | 
| Rapidly progressive nephritic syndrome, focal and segmental glomerular lesions | Finding site | False | Kidney structure | Inferred relationship | Some | 1 | 
| Injury of kidney without open wound into abdominal cavity | Finding site | True | Kidney structure | Inferred relationship | Some | 1 | 
| Ischaemic glomerulopathy | Finding site | False | Kidney structure | Inferred relationship | Some | 1 | 
| Other operation on kidney NOS | Procedure site | False | Kidney structure | Inferred relationship | Some | 1 | 
| Ultrasound of kidney | Procedure site - Direct | True | Kidney structure | Inferred relationship | Some | 1 | 
| Open extirpation of renal lesion NOS | Procedure site | False | Kidney structure | Inferred relationship | Some | 1 | 
| Double kidney | Finding site | True | Kidney structure | Inferred relationship | Some | 1 | 
| Kidney transposition | Procedure site - Direct | True | Kidney structure | Inferred relationship | Some | 1 | 
| Rapidly progressive nephritic syndrome, dense deposit disease | Finding site | False | Kidney structure | Inferred relationship | Some | 1 | 
| Open removal or destruction of renal lesion | Procedure site | True | Kidney structure | Inferred relationship | Some | 1 | 
| Open deroofing of renal cyst | Procedure site | False | Kidney structure | Inferred relationship | Some | 1 | 
| Insertion of drainage tube into kidney pelvis | Procedure site - Indirect | False | Kidney structure | Inferred relationship | Some | 2 | 
| Core needle biopsy of kidney | Procedure site - Direct | True | Kidney structure | Inferred relationship | Some | 1 | 
| Mesangioproliferative glomerulonephritis NEC | Finding site | False | Kidney structure | Inferred relationship | Some | 1 | 
| Other open operation on kidney NOS | Procedure site | False | Kidney structure | Inferred relationship | Some | 1 | 
| Diagnostic endoscopy of the kidney NOS | Procedure site - Direct | False | Kidney structure | Inferred relationship | Some | 1 | 
| Other specified other open operation on kidney | Procedure site | False | Kidney structure | Inferred relationship | Some | 1 | 
| Kidney injury with open wound into cavity NOS | Finding site | False | Kidney structure | Inferred relationship | Some | 1 | 
| Hypocomplementaemic persistent glomerulonephritis NEC | Finding site | False | Kidney structure | Inferred relationship | Some | 1 | 
| SLE glomerulonephritis syndrome, WHO class II | Finding site | True | Kidney structure | Inferred relationship | Some | 1 | 
| Renal agenesis and dysgenesis | Finding site | False | Kidney structure | Inferred relationship | Some | 1 | 
| Renal abscess | Finding site | True | Kidney structure | Inferred relationship | Some | 1 | 
| Other specified open extirpation of renal lesion | Procedure site | False | Kidney structure | Inferred relationship | Some | 1 | 
| Membranoproliferative nephritis unspecified | Finding site | False | Kidney structure | Inferred relationship | Some | 1 | 
| Rapidly progressive nephritic syndrome, diffuse mesangial proliferative glomerulonephritis | Finding site | False | Kidney structure | Inferred relationship | Some | 1 | 
| Other specified other operation on kidney | Procedure site | False | Kidney structure | Inferred relationship | Some | 1 | 
| Haematoma of kidney without rupture of capsule AND without open wound into abdominal cavity | Finding site | True | Kidney structure | Inferred relationship | Some | 1 | 
| Ectopic kidney | Finding site | False | Kidney structure | Inferred relationship | Some | 1 | 
| Kidney injury with open wound into cavity, unspecified | Finding site | False | Kidney structure | Inferred relationship | Some | 1 | 
| Isotope study for renal clearance | Procedure site - Direct | True | Kidney structure | Inferred relationship | Some | 1 | 
| Laceration of kidney with open wound into abdominal cavity | Finding site | True | Kidney structure | Inferred relationship | Some | 1 | 
| Donor renal transplant | Procedure site - Indirect | False | Kidney structure | Inferred relationship | Some | 1 | 
| Kidney injury without mention of open wound into cavity NOS | Finding site | False | Kidney structure | Inferred relationship | Some | 1 | 
| Nephropathy, unspecified | Finding site | False | Kidney structure | Inferred relationship | Some | 1 | 
| Lobular glomerulonephritis NEC | Finding site | False | Kidney structure | Inferred relationship | Some | 1 | 
| Ammonium excretion test | Procedure site | False | Kidney structure | Inferred relationship | Some | 1 | 
| Mixed membranous and proliferative glomerulonephritis NEC | Finding site | False | Kidney structure | Inferred relationship | Some | 1 | 
| Nodular renal blastema | Finding site | True | Kidney structure | Inferred relationship | Some | 1 | 
| Complete disruption of kidney parenchyma with open wound into cavity | Finding site | False | Kidney structure | Inferred relationship | Some | 1 | 
| Uric acid renal calculus | Finding site | True | Kidney structure | Inferred relationship | Some | 1 | 
| Malignant tumour of kidney | Finding site | False | Kidney structure | Inferred relationship | Some | 1 | 
| Chronic kidney disease stage 1 | Finding site | True | Kidney structure | Inferred relationship | Some | 3 | 
| Percutaneous injection of substance into kidney | Procedure site - Indirect | True | Kidney structure | Inferred relationship | Some | 1 | 
| Simple nephrolithotomy | Procedure site - Indirect | True | Kidney structure | Inferred relationship | Some | 1 | 
| Acute nephritic syndrome, diffuse mesangial proliferative glomerulonephritis | Finding site | False | Kidney structure | Inferred relationship | Some | 1 | 
| Unspecified anomaly of kidney | Finding site | False | Kidney structure | Inferred relationship | Some | 1 |