| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Renin challenge tests | Has measured component | False | Renin | Inferred relationship | Existential restriction modifier |  | 
| Renin, low salt intake measurement, upright, 4 hours | Has measured component | False | Renin | Inferred relationship | Existential restriction modifier |  | 
| Renin, low salt intake measurement, upright, 4 hours with diuretic | Has measured component | False | Renin | Inferred relationship | Existential restriction modifier |  | 
| Renin measurement | Has measured component | False | Renin | Inferred relationship | Existential restriction modifier |  | 
| Renin, low salt intake measurement, recumbent, 6 hours | Has measured component | False | Renin | Inferred relationship | Existential restriction modifier |  | 
| Renin, normal salt intake measurement, recumbent, 6 hours | Has measured component | False | Renin | Inferred relationship | Existential restriction modifier |  | 
| Renin, normal salt intake measurement, upright, 4 hours | Has measured component | False | Renin | Inferred relationship | Existential restriction modifier |  | 
| Serum renin activity measurement | Has measured component | False | Renin | Inferred relationship | Existential restriction modifier |  | 
| Renal vein renin stimulation panel | Component | True | Renin | Inferred relationship | Existential restriction modifier | 1 | 
| Peripheral vein renin stimulation panel | Component | True | Renin | Inferred relationship | Existential restriction modifier | 1 | 
| Aldosterone and renin measurement following saline suppression | Component | True | Renin | Inferred relationship | Existential restriction modifier | 1 | 
| Renin challenge tests | Component | True | Renin | Inferred relationship | Existential restriction modifier | 1 | 
| Renin, low salt intake measurement, upright, 4 hours | Component | True | Renin | Inferred relationship | Existential restriction modifier | 1 | 
| Renin, low salt intake measurement, upright, 4 hours with diuretic | Component | True | Renin | Inferred relationship | Existential restriction modifier | 1 | 
| Renin measurement | Component | True | Renin | Inferred relationship | Existential restriction modifier | 1 | 
| Renin, low salt intake measurement, recumbent, 6 hours | Component | True | Renin | Inferred relationship | Existential restriction modifier | 1 | 
| Renin, normal salt intake measurement, recumbent, 6 hours | Component | True | Renin | Inferred relationship | Existential restriction modifier | 1 | 
| Renin, normal salt intake measurement, upright, 4 hours | Component | True | Renin | Inferred relationship | Existential restriction modifier | 1 | 
| Serum renin activity measurement | Component | True | Renin | Inferred relationship | Existential restriction modifier | 1 | 
| Plasma renin level | Component | True | Renin | Inferred relationship | Existential restriction modifier | 2 | 
| Plasma renin ambulant level | Component | True | Renin | Inferred relationship | Existential restriction modifier | 2 | 
| Plasma renin recumbent level | Component | True | Renin | Inferred relationship | Existential restriction modifier | 2 | 
| Plasma aldosterone/renin ratio | Component | True | Renin | Inferred relationship | Existential restriction modifier | 2 | 
| Aldosterone/renin ratio | Component | False | Renin | Inferred relationship | Existential restriction modifier |  | 
| Renin activity measurement | Component | False | Renin | Inferred relationship | Existential restriction modifier |  | 
| Renin ambulant measurement | Component | False | Renin | Inferred relationship | Existential restriction modifier |  | 
| Renin recumbent measurement | Component | False | Renin | Inferred relationship | Existential restriction modifier |  | 
| Measurement of ratio of aldosterone to renin activity in plasma specimen (procedure) | Component | True | Renin | Inferred relationship | Existential restriction modifier | 5 | 
| Renin ambulant measurement | Component | True | Renin | Inferred relationship | Existential restriction modifier | 2 | 
| Aldosterone/renin ratio | Component | True | Renin | Inferred relationship | Existential restriction modifier | 4 | 
| Measurement of renin activity in plasma specimen, ambulant (procedure) | Component | True | Renin | Inferred relationship | Existential restriction modifier | 2 | 
| Measurement of ratio of aldosterone to renin concentration in plasma specimen (procedure) | Component | True | Renin | Inferred relationship | Existential restriction modifier | 5 | 
| Measurement of renin activity in plasma specimen (procedure) | Component | True | Renin | Inferred relationship | Existential restriction modifier | 2 | 
| Renin recumbent measurement | Component | True | Renin | Inferred relationship | Existential restriction modifier | 2 | 
| Measurement of renin activity in plasma specimen, recumbent (procedure) | Component | True | Renin | Inferred relationship | Existential restriction modifier | 2 | 
| Renin activity measurement | Component | True | Renin | Inferred relationship | Existential restriction modifier | 2 | 
| Measurement of renin activity in plasma specimen (procedure) | Component | False | Renin | Inferred relationship | Existential restriction modifier |  | 
| Measurement of ratio of aldosterone to renin activity in plasma specimen (procedure) | Component | False | Renin | Inferred relationship | Existential restriction modifier |  | 
| Measurement of ratio of aldosterone to renin concentration in plasma specimen (procedure) | Component | False | Renin | Inferred relationship | Existential restriction modifier |  | 
| Measurement of renin activity in plasma specimen, ambulant (procedure) | Component | False | Renin | Inferred relationship | Existential restriction modifier |  | 
| Measurement of renin activity in plasma specimen, recumbent (procedure) | Component | False | Renin | Inferred relationship | Existential restriction modifier |  | 
| Mass activity of renin in plasma (observable entity) | Component | True | Renin | Inferred relationship | Existential restriction modifier | 1 | 
| Substance concentration ratio of plasma renin activity to aldosterone in urine (observable entity) | Component | True | Renin | Inferred relationship | Existential restriction modifier | 1 | 
| Substance activity of renin in plasma (observable entity) | Component | True | Renin | Inferred relationship | Existential restriction modifier | 1 | 
| Plasma renin activity | Component | True | Renin | Inferred relationship | Existential restriction modifier | 1 | 
| Recumbent catalytic activity of renin in plasma (observable entity) | Component | True | Renin | Inferred relationship | Existential restriction modifier | 1 | 
| Recumbent arbitrary concentration of renin in plasma (observable entity) | Component | True | Renin | Inferred relationship | Existential restriction modifier | 1 | 
| Ambulant arbitrary concentration of renin in plasma (observable entity) | Component | True | Renin | Inferred relationship | Existential restriction modifier | 1 | 
| Ambulant catalytic activity renin in plasma (observable entity) | Component | True | Renin | Inferred relationship | Existential restriction modifier | 1 | 
| Substance concentration ratio of aldosterone to renin in plasma (observable entity) | Relative to | True | Renin | Inferred relationship | Existential restriction modifier | 1 |