| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Free catecholamines | Is a | False | Catecholamine | Inferred relationship | Existential restriction modifier |  | 
| Adrenaline | Is a | False | Catecholamine | Inferred relationship | Existential restriction modifier |  | 
| Catechol | Is a | False | Catecholamine | Inferred relationship | Existential restriction modifier |  | 
| Metanephrine | Is a | False | Catecholamine | Inferred relationship | Existential restriction modifier |  | 
| Normetanephrine | Is a | False | Catecholamine | Inferred relationship | Existential restriction modifier |  | 
| Product containing dobutamine | Is a | False | Catecholamine | Inferred relationship | Existential restriction modifier |  | 
| Dopa | Is a | False | Catecholamine | Inferred relationship | Existential restriction modifier |  | 
| Norepinephrine | Is a | True | Catecholamine | Inferred relationship | Existential restriction modifier |  | 
| Product containing isoprenaline | Is a | False | Catecholamine | Inferred relationship | Existential restriction modifier |  | 
| Product containing dopamine | Is a | False | Catecholamine | Inferred relationship | Existential restriction modifier |  | 
| Catecholamines, fractionated, challenge tests | Has measured component | False | Catecholamine | Inferred relationship | Existential restriction modifier |  | 
| Catecholamines, total measurement | Has measured component | False | Catecholamine | Inferred relationship | Existential restriction modifier |  | 
| Catecholamines, total measurement, blood | Has measured component | False | Catecholamine | Inferred relationship | Existential restriction modifier |  | 
| Catecholamines, total measurement, urine | Has measured component | False | Catecholamine | Inferred relationship | Existential restriction modifier |  | 
| Catecholamines, fractionation measurement, plasma | Has measured component | False | Catecholamine | Inferred relationship | Existential restriction modifier |  | 
| Catecholamine secretion by pheochromocytoma | Interprets | False | Catecholamine | Inferred relationship | Existential restriction modifier |  | 
| Catecholamines, fractionation measurement, urine | Has measured component | False | Catecholamine | Inferred relationship | Existential restriction modifier |  | 
| 24 hour urine catecholamine output measurement | Has measured component | False | Catecholamine | Inferred relationship | Existential restriction modifier |  | 
| Epinephrine bitartrate | Is a | True | Catecholamine | Inferred relationship | Existential restriction modifier |  | 
| Dopamine agent | Is a | False | Catecholamine | Inferred relationship | Existential restriction modifier |  | 
| Epinephrine acetate | Is a | True | Catecholamine | Inferred relationship | Existential restriction modifier |  | 
| Epinephrine | Is a | False | Catecholamine | Inferred relationship | Existential restriction modifier |  | 
| Catecholamines, fractionated, challenge tests | Component | True | Catecholamine | Inferred relationship | Existential restriction modifier | 1 | 
| Catecholamines, total measurement | Component | True | Catecholamine | Inferred relationship | Existential restriction modifier | 1 | 
| Catecholamines, total measurement, blood | Component | True | Catecholamine | Inferred relationship | Existential restriction modifier | 2 | 
| Catecholamines, total measurement, urine | Component | True | Catecholamine | Inferred relationship | Existential restriction modifier | 2 | 
| Catecholamines, fractionation measurement, plasma | Component | True | Catecholamine | Inferred relationship | Existential restriction modifier | 2 | 
| Catecholamines, fractionation measurement, urine | Component | True | Catecholamine | Inferred relationship | Existential restriction modifier | 2 | 
| 24 hour urine catecholamine output measurement | Component | True | Catecholamine | Inferred relationship | Existential restriction modifier | 2 | 
| Epinephrine | Is a | True | Catecholamine | Inferred relationship | Existential restriction modifier |  | 
| Dopamine | Is a | True | Catecholamine | Inferred relationship | Existential restriction modifier |  | 
| 3-methoxytyramine | Is a | True | Catecholamine | Inferred relationship | Existential restriction modifier |  | 
| Catecholamine measurement | Component | True | Catecholamine | Inferred relationship | Existential restriction modifier | 1 | 
| Urine catecholamine test | Component | False | Catecholamine | Inferred relationship | Existential restriction modifier |  | 
| Urine catecholamine measurement | Component | True | Catecholamine | Inferred relationship | Existential restriction modifier | 2 | 
| Metanephrines measurement, total, urine | Component | False | Catecholamine | Inferred relationship | Existential restriction modifier |  | 
| Plasma catecholamine measurement | Component | True | Catecholamine | Inferred relationship | Existential restriction modifier | 2 | 
| 24 hour urine metadrenaline output | Component | True | Catecholamine | Inferred relationship | Existential restriction modifier | 4 | 
| 24 hour urine normetadrenaline output | Component | False | Catecholamine | Inferred relationship | Existential restriction modifier |  | 
| Urine normetadrenaline level | Component | False | Catecholamine | Inferred relationship | Existential restriction modifier |  | 
| 24 hour urine homovanillylmandelic acid output | Component | True | Catecholamine | Inferred relationship | Existential restriction modifier | 4 | 
| Urine metadrenaline level | Component | False | Catecholamine | Inferred relationship | Existential restriction modifier |  | 
| Epinephrine | Is a | False | Catecholamine | Inferred relationship | Existential restriction modifier |  | 
| Blood catecholamine measurement | Component | True | Catecholamine | Inferred relationship | Existential restriction modifier | 2 | 
| Isoprenaline | Is a | True | Catecholamine | Inferred relationship | Existential restriction modifier |  | 
| Dihydroxyphenylalanine | Is a | True | Catecholamine | Inferred relationship | Existential restriction modifier |  | 
| Normetanephrine | Is a | True | Catecholamine | Inferred relationship | Existential restriction modifier |  | 
| Epinephrine + norepinephrine | Is a | False | Catecholamine | Inferred relationship | Existential restriction modifier |  | 
| Free fractionated catecholamine | Is a | False | Catecholamine | Inferred relationship | Existential restriction modifier |  | 
| Dobutamine | Is a | True | Catecholamine | Inferred relationship | Existential restriction modifier |  | 
| Dopexamine | Is a | True | Catecholamine | Inferred relationship | Existential restriction modifier |  | 
| Hexoprenaline | Is a | True | Catecholamine | Inferred relationship | Existential restriction modifier |  | 
| Isoprenaline hydrochloride | Is a | True | Catecholamine | Inferred relationship | Existential restriction modifier |  | 
| Isoprenaline sulfate | Is a | True | Catecholamine | Inferred relationship | Existential restriction modifier |  | 
| Dopexamine hydrochloride | Is a | True | Catecholamine | Inferred relationship | Existential restriction modifier |  | 
| Epinephrine hydrochloride | Is a | True | Catecholamine | Inferred relationship | Existential restriction modifier |  | 
| Racepinephrine | Is a | True | Catecholamine | Inferred relationship | Existential restriction modifier |  | 
| Dopamine hydrochloride | Is a | True | Catecholamine | Inferred relationship | Existential restriction modifier |  | 
| Product containing catecholamine | Has active ingredient | True | Catecholamine | Inferred relationship | Existential restriction modifier | 1 | 
| Norepinephrine bitartrate | Is a | True | Catecholamine | Inferred relationship | Existential restriction modifier |  | 
| Dobutamine hydrochloride | Is a | True | Catecholamine | Inferred relationship | Existential restriction modifier |  | 
| Free normetanephrine | Is a | True | Catecholamine | Inferred relationship | Existential restriction modifier |  | 
| Urine free catecholamine measurement | Component | True | Catecholamine | Inferred relationship | Existential restriction modifier | 4 | 
| Corbadrine | Is a | True | Catecholamine | Inferred relationship | Existential restriction modifier |  | 
| Metadrenaline measurement | Component | False | Catecholamine | Inferred relationship | Existential restriction modifier |  | 
| Free catecholamine measurement | Component | False | Catecholamine | Inferred relationship | Existential restriction modifier |  | 
| Normetadrenaline measurement | Component | False | Catecholamine | Inferred relationship | Existential restriction modifier |  | 
| Metadrenaline output measurement | Component | True | Catecholamine | Inferred relationship | Existential restriction modifier | 2 | 
| Measurement of mass ratio of catecholamine to creatinine | Component | True | Catecholamine | Inferred relationship | Existential restriction modifier | 3 | 
| Determination of product of metanephrine and normetanephrine values normalised for age and sex (procedure) | Component | True | Catecholamine | Inferred relationship | Existential restriction modifier | 2 | 
| Free catecholamine measurement | Component | True | Catecholamine | Inferred relationship | Existential restriction modifier | 2 | 
| Measurement of metadrenaline in plasma specimen (procedure) | Component | True | Catecholamine | Inferred relationship | Existential restriction modifier | 2 | 
| Metadrenaline measurement | Component | True | Catecholamine | Inferred relationship | Existential restriction modifier | 2 | 
| Metadrenaline output measurement | Component | False | Catecholamine | Inferred relationship | Existential restriction modifier |  | 
| Measurement of mass ratio of catecholamine to creatinine | Component | False | Catecholamine | Inferred relationship | Existential restriction modifier |  | 
| Determination of product of metanephrine and normetanephrine values normalised for age and sex (procedure) | Component | False | Catecholamine | Inferred relationship | Existential restriction modifier |  | 
| Measurement of metadrenaline in plasma specimen (procedure) | Component | False | Catecholamine | Inferred relationship | Existential restriction modifier |  | 
| Substance concentration ratio of catecholamine to creatinine in urine (observable entity) | Component | True | Catecholamine | Inferred relationship | Existential restriction modifier | 1 | 
| Substance concentration of total catecholamines in urine (observable entity) | Component | True | Catecholamine | Inferred relationship | Existential restriction modifier | 1 | 
| Substance concentration of total catecholamine in 24 hour urine (observable entity) | Component | True | Catecholamine | Inferred relationship | Existential restriction modifier | 1 | 
| Substance concentration of catecholamine in plasma (observable entity) | Component | True | Catecholamine | Inferred relationship | Existential restriction modifier | 1 |