| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Removal of foreign body from spinal canal | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Open biopsy of sacrococcygeal region | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Repair of hallux valgus | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Operation on bone | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Revision of spinal subarachnoid-ureteral shunt | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Removal of foreign body from elbow area, deep | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Debridement of patella | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Puncture of anterior fontanel | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Prophylactic treatment of clavicle with methyl methacrylate | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Debridement of open fracture of tibia | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Operation on bursa | Is a | True | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Removal of foreign body of shoulder, deep | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Diagnostic procedure on bone | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Tympanoplasty type IV with air pocket over round window | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Repair of diaphragm | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Repair of muscle of hand | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Bone marrow aspiration procedure, tibia | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Subdural tap through fontanel | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Orthopedic procedure on head | Is a | True | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Prophylactic treatment of radius with methyl methacrylate | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Repair of malunion of tarsal bones | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Operative procedure on spinal structures | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Phalangization of fifth metacarpal | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Repair of oval and round windows | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Destructive procedure of musculoskeletal system | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Fenestration of stapes footplate with incus replacement | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Repair of diastasis recti | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Bone marrow aspiration procedure, spine | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Operation on endolymphatic sac | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Plastic repair of tendon | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Skull and/or spine and/or bone and/or joint operations | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Complex reconstruction operations on hand and foot | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Transfer of extensor hallucis longus tendon to head of first metatarsal and fusion of interphalangeal joints | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Harvest of flap of skin and muscle of trunk | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Fascia, ganglion and bursa operations | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Diagnostic puncture of sternum | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Forcible deformity correction | Is a | True | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Nasal bone infraction | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Sistrunk operation for thyroglossal cyst | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Non-surgical bone biopsy | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Therapeutic aspiration of musculoskeletal system | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Orthopedic device application | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Orthopedic device removal | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Other bone and joint operations | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Orthopedic procedure NOS | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Other musculoskeletal operation | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Musculoskeletal operation NOS | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Muscle transfer at elbow | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Thigh manipulation | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Transposition of tissue of forearm | Is a | True | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Change of length of muscle | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Repair or plastic operation on tibia and fibula | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Excision of tumor of ankle area, deep, subfascial | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Flexorplasty of elbow with extensor advancement | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Excision of tumor from elbow area, deep, subfascial | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Excision of tumor of upper arm, deep, subfascial | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Excision of tumor from shoulder area, deep, subfascial | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Excision of tumor from forearm area, deep, subfascial | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Removal of skeletal muscle stimulator | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Attachment of orbicularis oculi to eyebrow | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Operation on ligament | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Musculoskeletal system surgical procedure | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Dilation of anal sphincter | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Operative procedure on cartilage | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Musculoskeletal surgical repair | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Musculoskeletal system repair | Is a | True | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Incision and drainage of hematoma of forearm | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Wind-up test | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Spinal extension traction | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Operative procedure on spinal structure | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Operation on skeletal muscle | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Incision and drainage of deep hematoma of thigh region | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Incision and drainage of hematoma of leg | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Operation on tendon sheath | Is a | True | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Insertion of bone growth stimulator into radius AND ulna | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Exploration of spine | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Removal of spinal fixation system | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Exploration for removal of deep foreign body of forearm | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Operation for spinal trauma | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Fenestrectomy | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Spinal decompression without discectomy | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Biopsy of spine | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Spinal instrumentation | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Open biopsy of sacrococcygeal region | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Destructive procedure of musculoskeletal system | Is a | True | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Musculoskeletal system paracentesis | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Cervical and thoracic spine operations | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Primary fixation of fragment of chondral cartilage of intra-articular fracture of bone | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Correction of scoliosis | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Other spine operations, site unspecified | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Other correction of deformity of spine | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Other operations on spine | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Decompression operations on unspecified spine | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Other specified operations on skull and/or spine and/or bone and/or joint | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Skull and/or spine and/or bone and/or joint operations NOS | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Grafting of cartilage | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| History of major orthopedic surgery | Associated procedure | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier | 1 | 
| History of spinal surgery | Associated procedure | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Posterior spinal instrumentation | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Musculoskeletal system transposition | Is a | True | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  | 
| Implantation to forearm | Is a | False | Operation on musculoskeletal system | Inferred relationship | Existential restriction modifier |  |