| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Pedicle graft | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Formation of large flap graft, head and neck | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Grafting of skin pedicle attachment to site of thumb for reconstruction | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Flap graft | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Excision of lesion of palate with local flap closure | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Orbitotomy with bone flap by lateral approach, Kroenlein, with decompression | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Rotation flap graft of skin | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Repair of postcataract wound dehiscence with conjunctival flap | Direct substance | True | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Attachment of flap graft to extremity | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Distant subcutaneous pedicle flap, fasciocutaneous, to head or neck | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Reconstruction using distant subcutaneous pedicle osteofasciocutaneous flap | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Neurovascular island sensory skin flap to head or neck | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Local sensory skin flap to head or neck | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Local subcutaneous pedicle island flap, myocutaneous, to head or neck | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Reconstruction using local subcutaneous pedicle island osteomyocutaneous flap | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Reconstruction using local subcutaneous pedicle V-Y osteomyocutaneous flap | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Local subcutaneous pedicle island flap, fasciocutaneous, to head or neck | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Reconstruction using local subcutaneous pedicle island osteofasciocutaneous flap | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Reconstruction using local subcutaneous pedicle V-Y osteofasciocutaneous flap | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Local subcutaneous pedicle island flap, axial pattern, to head or neck | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Local subcutaneous pedicle island flap, random pattern, to head or neck | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Local transposition flap, axial pattern, to head or neck | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Local rotation flap, random pattern | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Local rotation flap, axial pattern | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Local advancement flap, random pattern | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Local advancement flap, axial pattern | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Local rotation flap, random pattern, to head or neck | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Reconstruction of head or neck using distant pedicle skin flap | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Local transposition flap, random pattern, to head or neck | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Reconstruction using local subcutaneous pedicle island flap | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Reconstruction using local axial pattern subcutaneous pedicle island flap | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Reconstruction using local subcutaneous pedicle island random pattern flap | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Reconstruction using local subcutaneous pedicle osteomyocutaneous flap | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Reconstruction using local subcutaneous pedicle osteofasciocutaneous flap | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Local transposition flap | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Local transposition flap - axial pattern | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Local transposition flap - random pattern | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Local rotation flap | Direct substance | True | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Local advancement flap | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Distant subcutaneous pedicle flap, fasciocutaneous NEC | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Distant fasciocutaneous flap to head or neck NEC | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Other specified distant fasciocutaneous flap | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Dist fasciocutaneous flap NOS | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Other specified distant cutaneous pedicle skin flap | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Distant cutaneous pedicle skin flap NOS | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Other specified other distant skin flap | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Other distant skin flap NOS | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Neurovascular island sensory skin flap NEC | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Local sensory skin flap NEC | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Other specified sensory skin flap | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Sensory skin flap NOS | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Local subcutaneous pedicle flap, myocutaneous NEC | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Local myocutaneous flap to head or neck NEC | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Other specified local myocutaneous flap | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Local myocutaneous flap NOS | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Local subcutaneous pedicle island flap, fasciocutaneous NEC | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Local fasciocutaneous flap to head or neck NEC | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Other specified local fasciocutaneous flap | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Local fasciocutaneous flap NOS | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Local subcutaneous pedicle island flap, axial pattern NEC | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Local subcutaneous pedicle island flap, random pattern NEC | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Local subcutaneous pedicle island flap to head or neck NEC | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Other specified local subcutaneous pedicle skin flap | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Local subcutaneous pedicle skin flap NOS | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Local transposition flap, axial pattern NEC | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Local flap of skin to head or neck NEC | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Other specified local flap of skin | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Other local skin flap NOS | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Other specified mucosal flap | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Mucosal flap NOS | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Other local skin flap | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Local transposition flap, random pattern NEC | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Breast implantation with pedicle flap | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Attachment of pedicle graft to lip | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Attachment of pedicle graft to lip | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Pedicle soft dentoalveolar tissue graft procedure | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Pedicle soft dentoalveolar tissue graft procedure | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Flap with osseous tissue | Is a | False | Flap | Inferred relationship | Existential restriction modifier |  | 
| Skin flap autograft | Is a | False | Flap | Inferred relationship | Existential restriction modifier |  | 
| Reconstruction using distant pedicle myocutaneous flap | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Distant cutaneous pedicle flap, osseomyocutaneous | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Reconstruction using distant subcutaneous pedicle osteomyocutaneous flap | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Reconstruction with distant flap | Direct substance | True | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Advancement of pedicle graft | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Distant myocutaneous flap | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Reconstruction using distant osteomyocutaneous flap | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Distant subcutaneous pedicle flap, myocutaneous, to head or neck | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Distant subcutaneous pedicle flap, random pattern, to head or neck | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Distant subcutaneous pedicle flap, axial pattern, to head or neck | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Reconstruction using distant subcutaneous pedicle axial pattern flap | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Reconstruction using distant subcutaneous pedicle random pattern flap | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Distant subcutaneous pedicle flap, myocutaneous NEC | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Distant myocutaneous flap to head or neck NEC | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Other specified distant myocutaneous flap | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Distant myocutaneous flap NOS | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Distant subcutaneous pedicle flap, axial pattern NEC | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Distant subcutaneous pedicle flap, random pattern NEC | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Distant skin flap to head or neck NEC | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Other distant skin flap | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Local transposition flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Reconstruction using distant osteomyocutaneous flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 |