| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Deformity of metacarpal | Finding site | False | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Lissencephaly type 3 metacarpal bone dysplasia syndrome | Finding site | True | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Deafness, genital anomaly, metacarpal and metatarsal synostosis syndrome | Finding site | True | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Brachymetapodia of other metatarsal | Finding site | False | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Fracture of other metacarpal bone | Finding site | False | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Closed fracture of metacarpal bone (s), site unspecified | Finding site | False | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Closed fractures of multiple sites of unspecified metacarpus | Finding site | False | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Closed fracture of metacarpal bone(s) NOS | Finding site | False | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Open fracture of metacarpal bone(s), site unspecified | Finding site | False | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Open fractures of multiple sites of unspecified metacarpus | Finding site | False | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Open fracture of metacarpal bone(s) NOS | Finding site | False | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| [X]Fracture of other metacarpal bone | Finding site | False | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Fracture of metacarpal bone NOS | Finding site | False | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Transverse arrest metacarpal first ray | Finding site | True | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Transverse arrest metacarpal second to fifth rays | Finding site | True | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Congenital absence of carpal bone and metacarpal bone | Finding site | True | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Metacarpal bone part | Is a | True | Metacarpal bone structure | Inferred relationship | Some |  | 
| Metacarpal bone structure of finger | Is a | False | Metacarpal bone structure | Inferred relationship | Some |  | 
| Epiphysis of metacarpal | Is a | False | Metacarpal bone structure | Inferred relationship | Some |  | 
| Grafting of metacarpal bone | Procedure site - Direct | True | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Grafting of metacarpal bone | Procedure site - Direct | True | Metacarpal bone structure | Inferred relationship | Some | 2 | 
| Suture of periosteum of metacarpal bone | Procedure site - Indirect | True | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Entire metacarpal bone | Is a | True | Metacarpal bone structure | Inferred relationship | Some |  | 
| Osteotomy of metacarpal bone with internal fixation | Procedure site - Direct | True | Metacarpal bone structure | Inferred relationship | Some | 922515995 | 
| Osteotomy of carpals and metacarpals with internal fixation | Procedure site - Direct | True | Metacarpal bone structure | Inferred relationship | Some | 2078383429 | 
| Structure of articular surface of metacarpal | Is a | False | Metacarpal bone structure | Inferred relationship | Some |  | 
| Closed fracture of sesamoid bone of hand | Finding site | False | Metacarpal bone structure | Inferred relationship | Some | 2 | 
| Open fracture of sesamoid bone of hand | Finding site | False | Metacarpal bone structure | Inferred relationship | Some | 2 | 
| Fracture of hand except finger | Finding site | False | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Bennett's fracture | Finding site | False | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Open Bennett's fracture | Finding site | False | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Open fracture thumb metacarpal base, intra-articular, Bennett | Finding site | False | Metacarpal bone structure | Inferred relationship | Some | 2 | 
| Open fracture finger metacarpal base | Finding site | False | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Open fracture finger metacarpal shaft | Finding site | False | Metacarpal bone structure | Inferred relationship | Some | 2 | 
| Open fracture finger metacarpal neck | Finding site | False | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Open fracture finger metacarpal head | Finding site | False | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Open fracture finger metacarpal | Finding site | False | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Open fracture finger metacarpal, multiple | Finding site | False | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Open fracture of thumb metacarpal | Finding site | False | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Open fracture thumb metacarpal base, intra-articular, Rolando | Finding site | False | Metacarpal bone structure | Inferred relationship | Some | 2 | 
| Open fracture thumb metacarpal shaft | Finding site | False | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Open fracture thumb metacarpal neck | Finding site | False | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Open fracture thumb metacarpal head | Finding site | False | Metacarpal bone structure | Inferred relationship | Some | 2 | 
| Transmetacarpal amputation | Procedure site | False | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Transmetacarpal amputation, reamputation | Procedure site | False | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| First metacarpal bone structure | Is a | False | Metacarpal bone structure | Inferred relationship | Some |  | 
| Open reduction of fracture of carpals and metacarpals with internal fixation | Procedure site | False | Metacarpal bone structure | Inferred relationship | Some | 2 | 
| Open reduction of fracture of carpals and metacarpals with internal fixation | Procedure site | False | Metacarpal bone structure | Inferred relationship | Some | 2 | 
| Open reduction of fracture of carpals and metacarpals with internal fixation | Procedure site | False | Metacarpal bone structure | Inferred relationship | Some | 3 | 
| Open reduction of fracture of carpals and metacarpals with internal fixation | Procedure site | False | Metacarpal bone structure | Inferred relationship | Some | 2 | 
| Open reduction of fracture of carpals and metacarpals | Procedure site - Indirect | False | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Open reduction of fracture of carpals and metacarpals with internal fixation | Procedure site - Indirect | False | Metacarpal bone structure | Inferred relationship | Some | 2 | 
| Agenesis of carpals and metacarpals | Finding site | False | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Application of skeletal traction via the metacarpals | Procedure site - Direct | False | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Closed reduction of fracture of carpals and metacarpals with internal fixation | Procedure site - Direct | True | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Wedge osteotomy of carpals and metacarpals | Procedure site - Direct | False | Metacarpal bone structure | Inferred relationship | Some | 2 | 
| Metacarpal amputation with finger or thumb | Procedure site - Direct | True | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Change in bone length of carpals and metacarpals | Procedure site - Direct | True | Metacarpal bone structure | Inferred relationship | Some | 2 | 
| Metacarpal lengthening and transfer of local flap | Procedure site - Direct | False | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Total ostectomy of carpals and metacarpals | Procedure site - Direct | True | Metacarpal bone structure | Inferred relationship | Some | 2 | 
| Operation on bone injury of carpals and metacarpals | Procedure site - Direct | False | Metacarpal bone structure | Inferred relationship | Some | 2 | 
| Open reduction of fracture of carpals and metacarpals | Procedure site - Direct | True | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Division of carpals and metacarpals | Procedure site - Direct | False | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Transmetacarpal amputation, reamputation | Procedure site - Direct | False | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Open reduction of fracture of carpals and metacarpals with internal fixation | Procedure site - Direct | True | Metacarpal bone structure | Inferred relationship | Some | 2 | 
| Internal fixation of carpals and metacarpals without fracture reduction | Procedure site - Direct | True | Metacarpal bone structure | Inferred relationship | Some | 2 | 
| Incision of bone of carpals and metacarpals | Procedure site - Direct | False | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Closed reduction of fracture of metacarpal bone | Procedure site - Direct | False | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Metacarpal X-ray | Procedure site - Direct | False | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Transmetacarpal amputation | Procedure site - Direct | False | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Reduction of fracture of carpal and metacarpal with internal fixation | Procedure site - Direct | True | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Closed reduction of fracture of carpals and metacarpals | Procedure site - Direct | True | Metacarpal bone structure | Inferred relationship | Some | 2 | 
| Injury of metacarpal bone | Finding site | False | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Operation on bone injury of carpals and metacarpals | Procedure site | False | Metacarpal bone structure | Inferred relationship | Some | 2 | 
| Open fracture of metacarpal bone(s), site unspecified | Finding site | False | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Closed fracture of metacarpal bone(s) NOS | Finding site | False | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Open fracture of multiple sites of metacarpus | Finding site | True | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Congenital hypoplasia of metacarpal bone | Finding site | False | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Fracture of other metacarpal bone | Finding site | False | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Closed fractures of multiple sites of unspecified metacarpus | Finding site | False | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Open fracture of metacarpal bone | Finding site | True | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Closed fracture of metacarpal bone (s), site unspecified | Finding site | False | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Closed reduction of fracture of metacarpal bone | Procedure site - Direct | True | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Longitudinal deficiency of metacarpal bone | Finding site | False | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| [X]Fracture of other metacarpal bone | Finding site | False | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Open fracture of metacarpal bone(s) NOS | Finding site | False | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Open fractures of multiple sites of unspecified metacarpus | Finding site | False | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Supernumerary metacarpal bone | Finding site | False | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Neoplasm of uncertain behaviour of metacarpal bone | Finding site | True | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Brachymetacarpia | Finding site | False | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Congenital anomaly of metacarpal bone | Finding site | False | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Injury of metacarpal bone | Finding site | True | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Metacarpal amputation with finger or thumb | Procedure site - Direct | False | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Metacarpal X-ray | Procedure site - Direct | True | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Fracture of metacarpal bone | Finding site | True | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Congenital malposition of metacarpal bone | Finding site | False | Metacarpal bone structure | Inferred relationship | Some | 3 | 
| Fracture of hand except finger | Finding site | False | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Primary malignant neoplasm of metacarpal bone | Finding site | True | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Congenital absence of metacarpal bone | Finding site | False | Metacarpal bone structure | Inferred relationship | Some | 1 | 
| Closed fracture of sesamoid bone of hand | Finding site | False | Metacarpal bone structure | Inferred relationship | Some | 2 | 
| Infection of metacarpal | Finding site | False | Metacarpal bone structure | Inferred relationship | Some |  |