| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Measurement of fractional excretion of sodium | Is a | Sodium measurement | true | Inferred relationship | Existential restriction modifier |  |  | 
| Measurement of fractional excretion of sodium | Method | Investigation - action | false | Inferred relationship | Existential restriction modifier |  |  | 
| Measurement of fractional excretion of sodium | Has measured component | Electrolyte | false | Inferred relationship | Existential restriction modifier |  |  | 
| Measurement of fractional excretion of sodium | Has intent | Diagnostic intent | false | Inferred relationship | Existential restriction modifier |  |  | 
| Measurement of fractional excretion of sodium | Has measured component | Sodium | false | Inferred relationship | Existential restriction modifier |  |  | 
| Measurement of fractional excretion of sodium | Component | Sodium | true | Inferred relationship | Existential restriction modifier | 1 |  | 
| Measurement of fractional excretion of sodium | Component | Electrolyte | false | Inferred relationship | Existential restriction modifier |  |  | 
| Measurement of fractional excretion of sodium | Method | Evaluation - action | false | Inferred relationship | Existential restriction modifier |  |  | 
| Measurement of fractional excretion of sodium | Method | Measurement - action | true | Inferred relationship | Existential restriction modifier | 2 |  | 
| Measurement of fractional excretion of sodium | PBCL flag true | PBCL flag true: report, request, level, test | false | Additional relationship | Existential restriction modifier |  |  | 
| Measurement of fractional excretion of sodium | PBCL flag true | PBCL flag true: report, request, level, test | false | Additional relationship | Existential restriction modifier |  |  | 
| Measurement of fractional excretion of sodium | PBCL flag true | PBCL flag true: report, request, level, test, text | false | Additional relationship | Existential restriction modifier |  |  |