| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Open fracture of radius AND ulna | Is a | Open fracture of ulna | true | Inferred relationship | Existential restriction modifier |  |  | 
| Open fracture of radius AND ulna | Is a | Open fracture of radius | true | Inferred relationship | Existential restriction modifier |  |  | 
| Open fracture of radius AND ulna | Is a | Fracture of radius AND ulna | true | Inferred relationship | Existential restriction modifier |  |  | 
| Open fracture of radius AND ulna | Finding site | Bone structure of radius | true | Inferred relationship | Existential restriction modifier | 2 |  | 
| Open fracture of radius AND ulna | Associated morphology | Fracture, open | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Open fracture of radius AND ulna | Finding site | Bone structure of ulna | true | Inferred relationship | Existential restriction modifier | 1 |  | 
| Open fracture of radius AND ulna | Associated morphology | Fracture, open | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Open fracture of radius AND ulna | Associated morphology | Fracture, open | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Open fracture of radius AND ulna | Associated morphology | Fracture, open | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Open fracture of radius AND ulna | Associated morphology | Fracture, open | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Open fracture of radius AND ulna | Associated morphology | Fracture, open | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Open fracture of radius AND ulna | Associated morphology | Fracture, open | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Open fracture of radius AND ulna | Associated morphology | Fracture, open | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Open fracture of radius AND ulna | Associated morphology | Fracture, open | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Open fracture of radius AND ulna | Associated morphology | Fracture, open | true | Inferred relationship | Existential restriction modifier | 2 |  | 
| Open fracture of radius AND ulna | Associated morphology | Fracture, open | true | Inferred relationship | Existential restriction modifier | 1 |  | 
| Open fracture of radius AND ulna | Is a | Wound finding | false | Inferred relationship | Existential restriction modifier |  |  | 
| Open fracture of radius AND ulna | Due to | Traumatic event | true | Inferred relationship | Existential restriction modifier | 3 |  |