| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Catecholamines, fractionation measurement, urine | Is a | Biochemical test | false | Inferred relationship | Existential restriction modifier |  |  | 
| Catecholamines, fractionation measurement, urine | Has intent | Diagnostic intent | false | Inferred relationship | Existential restriction modifier |  |  | 
| Catecholamines, fractionation measurement, urine | Has measured component | Catecholamine | false | Inferred relationship | Existential restriction modifier |  |  | 
| Catecholamines, fractionation measurement, urine | Method | Investigation - action | false | Inferred relationship | Existential restriction modifier |  |  | 
| Catecholamines, fractionation measurement, urine | Component | Catecholamine | true | Inferred relationship | Existential restriction modifier | 2 |  | 
| Catecholamines, fractionation measurement, urine | Method | Evaluation - action | false | Inferred relationship | Existential restriction modifier |  |  | 
| Catecholamines, fractionation measurement, urine | Is a | 24 hour urine measurement | true | Inferred relationship | Existential restriction modifier |  |  | 
| Catecholamines, fractionation measurement, urine | Measurement method | High pressure liquid chromatography | false | Inferred relationship | Existential restriction modifier | 3 |  | 
| Catecholamines, fractionation measurement, urine | Has specimen | 24 hour urine specimen | true | Inferred relationship | Existential restriction modifier | 1 |  | 
| Catecholamines, fractionation measurement, urine | Is a | Urine catecholamine measurement | true | Inferred relationship | Existential restriction modifier |  |  | 
| Catecholamines, fractionation measurement, urine | Method | Measurement - action | true | Inferred relationship | Existential restriction modifier | 4 |  |