| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Closed fracture thumb distal phalanx, mallet | Is a | Closed fracture thumb distal phalanx | true | Inferred relationship | Existential restriction modifier |  |  | 
| Closed fracture thumb distal phalanx, mallet | Associated morphology | Fracture, closed | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Closed fracture thumb distal phalanx, mallet | Communication with wound | Closed injury | false | Inferred relationship | Existential restriction modifier |  |  | 
| Closed fracture thumb distal phalanx, mallet | Finding site | Bone structure of distal phalanx of thumb | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Closed fracture thumb distal phalanx, mallet | Finding site | Bone structure of distal phalanx of finger | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Closed fracture thumb distal phalanx, mallet | Associated morphology | Fracture | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Closed fracture thumb distal phalanx, mallet | Associated morphology | Fracture, closed | true | Inferred relationship | Existential restriction modifier | 1 |  | 
| Closed fracture thumb distal phalanx, mallet | Finding site | Bone structure of distal phalanx of thumb | true | Inferred relationship | Existential restriction modifier | 1 |  | 
| Closed fracture thumb distal phalanx, mallet | Associated morphology | Deformity | true | Inferred relationship | Existential restriction modifier | 2 |  | 
| Closed fracture thumb distal phalanx, mallet | Causative agent | Traumatic agent | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Closed fracture thumb distal phalanx, mallet | Is a | Rupture of extensor pollicis longus | false | Inferred relationship | Existential restriction modifier |  |  | 
| Closed fracture thumb distal phalanx, mallet | Occurrence | Period of life beginning after birth and ending before death | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Closed fracture thumb distal phalanx, mallet | Is a | Acquired deformity of joint of upper limb | false | Inferred relationship | Existential restriction modifier |  |  | 
| Closed fracture thumb distal phalanx, mallet | Is a | Arthropathy of joint of hand | true | Inferred relationship | Existential restriction modifier |  |  | 
| Closed fracture thumb distal phalanx, mallet | Associated morphology | Rupture | true | Inferred relationship | Existential restriction modifier | 3 |  | 
| Closed fracture thumb distal phalanx, mallet | Is a | Acquired deformity of the thumb | false | Inferred relationship | Existential restriction modifier |  |  | 
| Closed fracture thumb distal phalanx, mallet | Is a | Injury caused by causative force | false | Inferred relationship | Existential restriction modifier |  |  | 
| Closed fracture thumb distal phalanx, mallet | Finding site | Structure of interphalangeal joint of thumb | true | Inferred relationship | Existential restriction modifier | 2 |  | 
| Closed fracture thumb distal phalanx, mallet | Is a | Finding of joint of thumb | false | Inferred relationship | Existential restriction modifier |  |  | 
| Closed fracture thumb distal phalanx, mallet | Finding site | Structure of extensor pollicis longus muscle tendon | false | Inferred relationship | Existential restriction modifier | 3 |  | 
| Closed fracture thumb distal phalanx, mallet | Is a | Thumb joint deformity | true | Inferred relationship | Existential restriction modifier |  |  | 
| Closed fracture thumb distal phalanx, mallet | Is a | Joint injury | true | Inferred relationship | Existential restriction modifier |  |  | 
| Closed fracture thumb distal phalanx, mallet | Is a | Rupture of extensor tendon of thumb | true | Inferred relationship | Existential restriction modifier |  |  | 
| Closed fracture thumb distal phalanx, mallet | Finding site | Structure of extensor tendon within thumb | true | Inferred relationship | Existential restriction modifier | 3 |  |