| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Magnesium measurement, serum | Is a | Magnesium measurement | false | Inferred relationship | Existential restriction modifier |  |  | 
| Magnesium measurement, serum | Has intent | Diagnostic intent | false | Inferred relationship | Existential restriction modifier |  |  | 
| Magnesium measurement, serum | Method | Investigation - action | false | Inferred relationship | Existential restriction modifier |  |  | 
| Magnesium measurement, serum | Has measured component | Magnesium | false | Inferred relationship | Existential restriction modifier |  |  | 
| Magnesium measurement, serum | Component | Trace element | false | Inferred relationship | Existential restriction modifier |  |  | 
| Magnesium measurement, serum | Component | Magnesium | true | Inferred relationship | Existential restriction modifier | 2 |  | 
| Magnesium measurement, serum | Method | Evaluation - action | false | Inferred relationship | Existential restriction modifier |  |  | 
| Magnesium measurement, serum | Is a | Fluid sample magnesium measurement | false | Inferred relationship | Existential restriction modifier |  |  | 
| Magnesium measurement, serum | Has specimen | Serum specimen | true | Inferred relationship | Existential restriction modifier | 1 |  | 
| Magnesium measurement, serum | Method | Measurement - action | true | Inferred relationship | Existential restriction modifier | 3 |  | 
| Magnesium measurement, serum | Is a | Blood magnesium measurement | true | Inferred relationship | Existential restriction modifier |  |  | 
| Magnesium measurement, serum | PBCL flag true | PBCL flag true: report, request, battery, level, test | false | Additional relationship | Existential restriction modifier |  |  | 
| Magnesium measurement, serum | PBCL flag true | PBCL flag true: report, request, battery, level, test | false | Additional relationship | Existential restriction modifier |  |  |