| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Prothrombin time, substituted | Is a | Clotting test with substitution | true | Inferred relationship | Existential restriction modifier |  |  | 
| Prothrombin time, substituted | Is a | Extrinsic coagulation pathway factor assay | false | Inferred relationship | Existential restriction modifier |  |  | 
| Prothrombin time, substituted | Has measured component | Tissue factor induced coagulation | false | Inferred relationship | Existential restriction modifier |  |  | 
| Prothrombin time, substituted | Method | Investigation - action | false | Inferred relationship | Existential restriction modifier |  |  | 
| Prothrombin time, substituted | Has intent | Diagnostic intent | false | Inferred relationship | Existential restriction modifier |  |  | 
| Prothrombin time, substituted | Has measured component | Coagulation factor | false | Inferred relationship | Existential restriction modifier |  |  | 
| Prothrombin time, substituted | Component | Tissue factor induced coagulation | false | Inferred relationship | Existential restriction modifier |  |  | 
| Prothrombin time, substituted | Component | Coagulation factor | false | Inferred relationship | Existential restriction modifier |  |  | 
| Prothrombin time, substituted | Method | Evaluation - action | true | Inferred relationship | Existential restriction modifier | 1 |  | 
| Prothrombin time, substituted | Component | Coagulation related substance | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Prothrombin time, substituted | Is a | Extrinsic coagulation pathway factor measurement | false | Inferred relationship | Existential restriction modifier |  |  | 
| Prothrombin time, substituted | Is a | Prothrombin time | true | Inferred relationship | Existential restriction modifier |  |  |