| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Congenital abnormal shape of ulna (disorder) | Finding site | True | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Congenital bent ulna | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Lack of ossification of ulna | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Congenital hypoplasia of ulna | Finding site | True | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Congenital malposition of ulna | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Congenital thickening of ulna | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Incomplete ossification of ulna | Finding site | True | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Primary malignant neoplasm of ulna | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Metastatic malignant neoplasm to ulna | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Neoplasm of uncertain behavior of ulna | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Infection of ulna | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Paget's disease-ulna | Finding site | True | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Radioulnar dysostosis | Finding site | True | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Closed fracture radius and ulna, middle | Finding site | False | Bone structure of ulna | Inferred relationship | Some |  | 
| Ulna X-ray | Procedure site | False | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Deformity of ulna | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Monteggia's fracture | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Closed fracture of radius and ulna, shaft, NOS | Finding site | False | Bone structure of ulna | Inferred relationship | Some |  | 
| Closed fracture distal ulna, unspecified | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Open fracture of forearm, lower end, unspecified | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Open fracture distal ulna - other | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Open fracture of forearm, lower end, NOS | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Closed fracture of radius and ulna, unspecified part | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 2 | 
| Closed fracture of forearm, unspecified | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 2 | 
| Closed fracture of radius and ulna, NOS | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 2 | 
| Open fracture of radius and ulna, unspecified part | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Open fracture of forearm, unspecified | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Open fracture of ulna (alone), unspecified | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Open fracture of radius and ulna, NOS | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Fracture of radius and ulna, NOS | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 2 | 
| Fracture of ulna NOS | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Closed fracture of ulna (alone), unspecified | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Open fracture of shaft of radius and ulna | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Open fracture of midshaft of radius and ulna (disorder) | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Open fracture of radius and ulna, shaft, NOS | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Biopsy of radius AND ulna | Procedure site | False | Bone structure of ulna | Inferred relationship | Some | 2 | 
| Partial defect of ulna | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 2 | 
| Open reduction of fracture of ulna with internal fixation | Procedure site | False | Bone structure of ulna | Inferred relationship | Some | 2 | 
| Congenital absence of ulna | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 2 | 
| Epiphyseal arrest by stapling of ulna | Procedure site | False | Bone structure of ulna | Inferred relationship | Some | 5 | 
| Epiphyseal arrest by stapling of distal radius AND ulna | Procedure site | False | Bone structure of ulna | Inferred relationship | Some | 4 | 
| Congenital hypoplasia of ulna | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 4 | 
| Partial defect of ulna | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 2 | 
| Open reduction of fracture of ulna with internal fixation | Procedure site | False | Bone structure of ulna | Inferred relationship | Some | 2 | 
| Congenital absence of ulna | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 3 | 
| Epiphyseal arrest by stapling of ulna | Procedure site | False | Bone structure of ulna | Inferred relationship | Some | 3 | 
| Congenital hypoplasia of ulna | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 2 | 
| Epiphyseal arrest by stapling of distal radius AND ulna | Procedure site | False | Bone structure of ulna | Inferred relationship | Some | 4 | 
| Congenital hypoplasia of ulna | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Partial defect of ulna | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 2 | 
| Epiphyseal arrest by stapling of distal radius AND ulna | Procedure site | False | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Open reduction of fracture of ulna with internal fixation | Procedure site | False | Bone structure of ulna | Inferred relationship | Some | 4 | 
| Epiphyseal arrest by stapling of ulna | Procedure site | False | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Congenital absence of ulna | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 2 | 
| Congenital hypoplasia of ulna | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 2 | 
| Partial defect of ulna | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 3 | 
| Epiphyseal arrest by stapling of distal radius AND ulna | Procedure site | False | Bone structure of ulna | Inferred relationship | Some | 4 | 
| Open reduction of fracture of ulna with internal fixation | Procedure site | False | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Epiphyseal arrest by stapling of ulna | Procedure site | False | Bone structure of ulna | Inferred relationship | Some | 2 | 
| Congenital absence of ulna | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 3 | 
| Bone graft of radius and ulna | Procedure site - Indirect (attribute) | False | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Repair of defect of radius AND ulna with autograft | Procedure site - Indirect (attribute) | False | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Repair of defect of ulna with autograft | Procedure site - Indirect (attribute) | False | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Grafting of bone of ulna | Procedure site - Indirect (attribute) | False | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Congenital hypoplasia of ulna | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 2 | 
| Congenital hypoplasia of ulna | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Partial defect of ulna | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Partial defect of ulna | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 2 | 
| Congenital absence of ulna | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 2 | 
| Congenital absence of ulna | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Longitudinal absence of radius AND ulna (disorder) | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 2 | 
| Longitudinal absence of radius AND ulna (disorder) | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Ulnar and humeroulnar synostosis | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Radioulnar synostosis and dislocation of radial head | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 2 | 
| Open reduction of fracture of radius and ulna | Procedure site - Indirect (attribute) | False | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Open reduction of fracture of ulna with internal fixation | Procedure site - Indirect (attribute) | False | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Radioulnar synostosis | Finding site | True | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Closed reduction of fracture of radius and ulna | Procedure site - Indirect (attribute) | False | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Open reduction of fracture of ulna | Procedure site - Indirect (attribute) | False | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Debridement of open fracture of ulna | Procedure site - Direct (attribute) | False | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Local excision of lesion or tissue of radius AND ulna | Procedure site - Direct (attribute) | True | Bone structure of ulna | Inferred relationship | Some | 2 | 
| Excision of lesion of bone of ulna | Procedure site - Direct (attribute) | False | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Closed reduction of fracture of radius AND ulna with internal fixation | Procedure site - Indirect (attribute) | False | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Sequestrectomy of bone of ulna | Procedure site - Direct (attribute) | False | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Debridement of open fracture of radius AND ulna (procedure) | Procedure site - Indirect (attribute) | False | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Debridement of open fracture of radius AND ulna (procedure) | Procedure site - Direct (attribute) | True | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Closed reduction of fracture of ulna | Procedure site - Indirect (attribute) | False | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Intramedullary nailing of ulna | Procedure site - Indirect (attribute) | False | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Biopsy of radius AND ulna | Procedure site - Direct (attribute) | True | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Congenital hypoplasia of ulna | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 2 | 
| Congenital hypoplasia of ulna | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Partial defect of ulna | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 2 | 
| Partial defect of ulna | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Congenital absence of ulna | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 2 | 
| Congenital absence of ulna | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Longitudinal absence of radius AND ulna (disorder) | Finding site | True | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Longitudinal absence of radius AND ulna (disorder) | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 2 | 
| Congenital hypoplasia of ulna | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 1 | 
| Congenital hypoplasia of ulna | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 2 | 
| Partial defect of ulna | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 2 | 
| Partial defect of ulna | Finding site | False | Bone structure of ulna | Inferred relationship | Some | 1 |