| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Revision of amputation of thumb (procedure) | Procedure site - Direct (attribute) | True | Thumb structure | Inferred relationship | Some | 1 | 
| Deformity of thumb | Finding site | True | Thumb structure | Inferred relationship | Some | 1 | 
| Acquired deformity of the thumb | Finding site | True | Thumb structure | Inferred relationship | Some | 1 | 
| Hypoplastic thumb-Blauth 2 | Finding site | True | Thumb structure | Inferred relationship | Some | 1 | 
| Magnetic resonance imaging of thumb (procedure) | Procedure site - Direct (attribute) | False | Thumb structure | Inferred relationship | Some | 1 | 
| Hypoplastic thumb-Blauth 1 | Finding site | True | Thumb structure | Inferred relationship | Some | 1 | 
| Z deformity of thumb | Finding site | True | Thumb structure | Inferred relationship | Some | 1 | 
| Hyperextension injury of thumb (disorder) | Finding site | True | Thumb structure | Inferred relationship | Some | 1 | 
| open wond van digitus I van hand zonder complicatie (aandoening) | Finding site | False | Thumb structure | Inferred relationship | Some | 1 | 
| Edema of thumb | Finding site | True | Thumb structure | Inferred relationship | Some | 1 | 
| Hypoplastic thumb-Blauth 3 | Finding site | True | Thumb structure | Inferred relationship | Some | 1 | 
| Animal bite of thumb | Finding site | True | Thumb structure | Inferred relationship | Some | 1 | 
| Human bite of thumb | Finding site | True | Thumb structure | Inferred relationship | Some | 1 | 
| Bifid thumb | Finding site | False | Thumb structure | Inferred relationship | Some | 1 | 
| Pollicization of index finger | Procedure site - Direct (attribute) | True | Thumb structure | Inferred relationship | Some | 1 | 
| Repositioning of thumb for cleft hand | Procedure site - Direct (attribute) | False | Thumb structure | Inferred relationship | Some | 1 | 
| open wond van digitus I van hand met peesletsel (aandoening) | Finding site | False | Thumb structure | Inferred relationship | Some | 1 | 
| Infected insect bite of thumb | Finding site | False | Thumb structure | Inferred relationship | Some | 1 | 
| Stabilization of hypoplastic thumb | Procedure site - Direct (attribute) | True | Thumb structure | Inferred relationship | Some | 1 | 
| Burn of thumb | Finding site | True | Thumb structure | Inferred relationship | Some | 1 | 
| Pellet wound of thumb | Finding site | True | Thumb structure | Inferred relationship | Some | 1 | 
| Hypoplastic thumb-Blauth 4 | Finding site | True | Thumb structure | Inferred relationship | Some | 1 | 
| Pollicization of a digit | Procedure site - Direct (attribute) | True | Thumb structure | Inferred relationship | Some | 1 | 
| Glass in thumb | Finding site | True | Thumb structure | Inferred relationship | Some | 1 | 
| Terminalization of thumb | Procedure site - Direct (attribute) | True | Thumb structure | Inferred relationship | Some | 1 | 
| stressradiografie van digitus I (verrichting) | Procedure site - Direct (attribute) | False | Thumb structure | Inferred relationship | Some | 1 | 
| Closed crush injury, thumb | Finding site | True | Thumb structure | Inferred relationship | Some | 1 | 
| Traumatic amputation of thumb with fingers of either hand without complication | Finding site | False | Thumb structure | Inferred relationship | Some | 1 | 
| Computed tomography of thumb (procedure) | Procedure site - Direct (attribute) | False | Thumb structure | Inferred relationship | Some | 1 | 
| Stab wound of thumb | Finding site | True | Thumb structure | Inferred relationship | Some | 1 | 
| Release of thumb-in-palm deformity | Procedure site - Direct (attribute) | False | Thumb structure | Inferred relationship | Some | 1 | 
| Congenital absence of thumb | Finding site | False | Thumb structure | Inferred relationship | Some | 1 | 
| Gangrene of thumb | Finding site | True | Thumb structure | Inferred relationship | Some | 1 | 
| Traumatic amputation of thumb with fingers of either hand with complication | Finding site | False | Thumb structure | Inferred relationship | Some | 1 | 
| Amputation of thumb through carpometacarpal joint | Procedure site - Direct (attribute) | True | Thumb structure | Inferred relationship | Some | 2 | 
| Reconstruction of thumb | Procedure site - Direct (attribute) | True | Thumb structure | Inferred relationship | Some | 1 | 
| Metal foreign body in thumb | Finding site | True | Thumb structure | Inferred relationship | Some | 1 | 
| Undergrowth of the thumb | Finding site | False | Thumb structure | Inferred relationship | Some | 1 | 
| Malignant melanoma of thumb | Finding site | True | Thumb structure | Inferred relationship | Some | 1 | 
| Ring avulsion injury of thumb | Finding site | True | Thumb structure | Inferred relationship | Some | 1 | 
| Deep third degree burn of thumb | Finding site | False | Thumb structure | Inferred relationship | Some | 1 | 
| Hypoplasia of thumb | Finding site | True | Thumb structure | Inferred relationship | Some | 1 | 
| Full thickness burn of thumb (disorder) | Finding site | False | Thumb structure | Inferred relationship | Some | 1 | 
| Crush injury of thumb (disorder) | Finding site | True | Thumb structure | Inferred relationship | Some | 1 | 
| Deep full thickness burn of the thumb without loss of body part | Finding site | False | Thumb structure | Inferred relationship | Some | 1 | 
| maligne neoplasma van bindweefsel en weke delen van digitus I van hand | Finding site | False | Thumb structure | Inferred relationship | Some | 1 | 
| Unspecified thickness burn of the thumb | Finding site | False | Thumb structure | Inferred relationship | Some | 1 | 
| Thumb strapping | Procedure site - Indirect (attribute) | True | Thumb structure | Inferred relationship | Some | 1 | 
| Wood splinter in thumb | Finding site | True | Thumb structure | Inferred relationship | Some | 1 | 
| Superficial laceration of thumb (disorder) | Finding site | False | Thumb structure | Inferred relationship | Some | 1 | 
| Traumatic amputation, thumb, through interphalangeal joint | Finding site | False | Thumb structure | Inferred relationship | Some | 1 | 
| Open wound of thumb | Finding site | True | Thumb structure | Inferred relationship | Some | 1 | 
| Open crush injury, thumb | Finding site | True | Thumb structure | Inferred relationship | Some | 1 | 
| Amputation of thumb | Procedure site - Direct (attribute) | True | Thumb structure | Inferred relationship | Some | 1 | 
| Traumatic amputation of thumb without mention of complication | Finding site | False | Thumb structure | Inferred relationship | Some | 1 | 
| Other thumb injuries, unspecified | Finding site | False | Thumb structure | Inferred relationship | Some | 1 | 
| Laceration of thumb | Finding site | True | Thumb structure | Inferred relationship | Some | 1 | 
| Deep full thickness burn of thumb, with loss of body part | Finding site | False | Thumb structure | Inferred relationship | Some | 1 | 
| Traumatic amputation thumb tip, type 4 (disorder) | Finding site | False | Thumb structure | Inferred relationship | Some | 1 | 
| Traumatic amputation thumb tip, type 3 | Finding site | False | Thumb structure | Inferred relationship | Some | 1 | 
| Contusion of thumb | Finding site | True | Thumb structure | Inferred relationship | Some | 1 | 
| Superficial injury of thumb (disorder) | Finding site | False | Thumb structure | Inferred relationship | Some | 1 | 
| Open wound of thumb with complication | Finding site | True | Thumb structure | Inferred relationship | Some | 1 | 
| radiografische beeldvorming van digitus I van hand (verrichting) | Procedure site - Direct (attribute) | False | Thumb structure | Inferred relationship | Some | 1 | 
| Replantation of thumb | Procedure site - Direct (attribute) | True | Thumb structure | Inferred relationship | Some | 1 | 
| Traumatic amputation thumb tip, type 1 (disorder) | Finding site | False | Thumb structure | Inferred relationship | Some | 1 | 
| Traumatic amputation thumb tip, type 2 (disorder) | Finding site | False | Thumb structure | Inferred relationship | Some | 1 | 
| Examination of thumb | Procedure site - Direct (attribute) | True | Thumb structure | Inferred relationship | Some | 1 | 
| Hypoplastic thumb-Blauth 5 (disorder) | Finding site | True | Thumb structure | Inferred relationship | Some | 1 | 
| Application of thumb spica plaster cast | Procedure site - Indirect (attribute) | True | Thumb structure | Inferred relationship | Some | 1 | 
| Macrodactyly of thumb (disorder) | Finding site | True | Thumb structure | Inferred relationship | Some | 1 | 
| Traumatic amputation, thumb, through metacarpal | Finding site | False | Thumb structure | Inferred relationship | Some | 1 | 
| Traumatic amputation, thumb tip | Finding site | False | Thumb structure | Inferred relationship | Some | 1 | 
| traumatische amputatie van digitus I van hand met complicatie | Finding site | False | Thumb structure | Inferred relationship | Some | 1 | 
| Traumatic amputation of thumb with fingers of either hand | Finding site | False | Thumb structure | Inferred relationship | Some | 1 | 
| Needle stick injury of thumb | Finding site | True | Thumb structure | Inferred relationship | Some | 1 | 
| Thumb injury | Finding site | True | Thumb structure | Inferred relationship | Some | 1 | 
| Traumatic amputation of thumb | Finding site | True | Thumb structure | Inferred relationship | Some | 1 | 
| Foreign body in thumb (disorder) | Finding site | True | Thumb structure | Inferred relationship | Some | 1 | 
| Traumatic amputation, thumb, through metacarpophalangeal joint | Finding site | False | Thumb structure | Inferred relationship | Some | 1 | 
| Amputation of duplicate thumb (procedure) | Procedure site - Direct (attribute) | True | Thumb structure | Inferred relationship | Some | 1 | 
| reconstructie van digitus I van hand met vrij huidtransplantaat (verrichting) | Procedure site - Direct (attribute) | False | Thumb structure | Inferred relationship | Some | 1 | 
| Puncture wound of thumb | Finding site | True | Thumb structure | Inferred relationship | Some | 1 | 
| Dog bite of thumb | Finding site | True | Thumb structure | Inferred relationship | Some | 1 | 
| Amputation of thumb tip | Procedure site - Direct (attribute) | True | Thumb structure | Inferred relationship | Some | 1 | 
| Metal nail wound of thumb | Finding site | False | Thumb structure | Inferred relationship | Some | 1 | 
| Ultrasonography of thumb (procedure) | Procedure site - Direct (attribute) | False | Thumb structure | Inferred relationship | Some | 1 | 
| Magnetic resonance imaging of thumb (procedure) | Procedure site - Direct (attribute) | True | Thumb structure | Inferred relationship | Some | 1 | 
| Computed tomography of thumb (procedure) | Procedure site - Direct (attribute) | True | Thumb structure | Inferred relationship | Some | 1 | 
| Application of thumb spica strapping | Procedure site - Direct (attribute) | True | Thumb structure | Inferred relationship | Some | 1 | 
| Ultrasonography of thumb (procedure) | Procedure site - Direct (attribute) | True | Thumb structure | Inferred relationship | Some | 1 | 
| Deep third degree burn of thumb with loss of body part | Finding site | False | Thumb structure | Inferred relationship | Some | 1 | 
| Bony swelling of thumb | Finding site | False | Thumb structure | Inferred relationship | Some | 1 | 
| Pollicization of index finger | Procedure site - Direct (attribute) | False | Thumb structure | Inferred relationship | Some | 1 | 
| Pollicization of a digit | Procedure site - Direct (attribute) | False | Thumb structure | Inferred relationship | Some | 1 | 
| reconstructie van digitus I van hand met vrij huidtransplantaat (verrichting) | Procedure site - Direct (attribute) | False | Thumb structure | Inferred relationship | Some | 1 | 
| Metal nail wound of thumb | Finding site | True | Thumb structure | Inferred relationship | Some | 1 | 
| Swollen thumb | Finding site | False | Thumb structure | Inferred relationship | Some | 1 | 
| Pollicisation of finger | Procedure site - Direct (attribute) | False | Thumb structure | Inferred relationship | Some | 1 | 
| Replantation of thumb between distal tip and metacarpophalangeal joint after complete amputation (procedure) | Procedure site - Direct (attribute) | False | Thumb structure | Inferred relationship | Some | 1 | 
| Bony swelling of thumb | Finding site | True | Thumb structure | Inferred relationship | Some | 1 |