| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Closed fracture of medial malleolus | Is a | True | Fracture of medial malleolus | Inferred relationship | Existential restriction modifier |  | 
| Open fracture of medial malleolus | Is a | True | Fracture of medial malleolus | Inferred relationship | Existential restriction modifier |  | 
| Closed fracture ankle, bimalleolar, low fibular fracture | Is a | False | Fracture of medial malleolus | Inferred relationship | Existential restriction modifier |  | 
| Closed fracture ankle, bimalleolar, high fibular fracture | Is a | False | Fracture of medial malleolus | Inferred relationship | Existential restriction modifier |  | 
| Open fracture ankle, bimalleolar, low fibular fracture | Is a | False | Fracture of medial malleolus | Inferred relationship | Existential restriction modifier |  | 
| Open fracture ankle, bimalleolar, high fibular fracture | Is a | False | Fracture of medial malleolus | Inferred relationship | Existential restriction modifier |  | 
| Trimalleolar fracture | Is a | True | Fracture of medial malleolus | Inferred relationship | Existential restriction modifier |  | 
| Bimalleolar fracture of ankle | Is a | False | Fracture of medial malleolus | Inferred relationship | Existential restriction modifier |  | 
| Pott's fracture | Is a | False | Fracture of medial malleolus | Inferred relationship | Existential restriction modifier |  | 
| Open fracture ankle, bimalleolar, low fibular fracture | Is a | False | Fracture of medial malleolus | Inferred relationship | Existential restriction modifier |  | 
| Open fracture ankle, bimalleolar, high fibular fracture | Is a | False | Fracture of medial malleolus | Inferred relationship | Existential restriction modifier |  | 
| Avulsion of ligament with bony fragment of medial malleolus | Is a | True | Fracture of medial malleolus | Inferred relationship | Existential restriction modifier |  | 
| Supination-adduction injury of ankle, stage 2 | Is a | True | Fracture of medial malleolus | Inferred relationship | Existential restriction modifier |  |