| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Reconstruction using distant osteomyocutaneous flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Reconstruction using distant pedicle axial pattern skin flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Other specified mucosal flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Other specified sensory skin flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Local fasciocutaneous flap to head or neck NEC | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Distant subcutaneous pedicle flap, fasciocutaneous NEC | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Advancement of flap graft | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Excision of pressure injury of greater femoral trochanteric region with flap reconstruction using skin flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Local myocutaneous flap NOS | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Reconstruction with local flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Other specified other distant skin flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Osteoplasty of cranium with flap of bone | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Reconstruction using local osteofasciocutaneous rotation flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Local transposition flap, axial pattern, to head or neck | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Orbitotomy with bone flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Local advancement flap, fasciocutaneous | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 4 | 
| Local rotation flap, random pattern | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Other distant skin flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Reconstruction using local osteofasciocutaneous transposition flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Excision of lesion of uvula with local flap closure | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Distant cutaneous pedicle flap, osseomyocutaneous | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Reconstruction of eyelid with mucous membrane flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 4 | 
| Local subcutaneous pedicle island flap to head or neck NEC | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Attachment of flap graft to extremity | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Reconstruction using distant subcutaneous pedicle osteomyocutaneous flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Orbitotomy with bone flap by lateral approach, Kroenlein, with decompression | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Reconstruction of skin using local subcutaneous pedicle skin flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Excision of pressure injury of ischial region with flap reconstruction using skin flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Reconstruction using local subcutaneous pedicle island random pattern flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Reconstruction using local subcutaneous pedicle osteofasciocutaneous flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Reconstruction using distant osteomyocutaneous flap with microvascular anastomosis | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Neurovascular island sensory skin flap to head or neck | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Local myocutaneous flap to head or neck NEC | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Distant subcutaneous pedicle flap, fasciocutaneous, to head or neck | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Reconstruction using local osteomyocutaneous transposition flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Reconstruction using distant subcutaneous pedicle osteofasciocutaneous flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Distant subcutaneous pedicle flap, axial pattern, to head or neck | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Reconstruction of nose, total with forehead flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Reconstruction using local subcutaneous pedicle V-Y axial pattern flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Reconstruction using local subcutaneous pedicle island flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Reconstruction using local osteofasciocutaneous advancement flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 4 | 
| Local rotation flap, random pattern, to head or neck | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Distant cutaneous pedicle skin flap NOS | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Excision of pressure injury of greater femoral trochanteric region with flap reconstruction using bipedicle flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Local advancement flap, random pattern | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Local advancement flap, myocutaneous | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 4 | 
| Flap graft | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Local transposition flap, random pattern NEC | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Distant fasciocutaneous flap to head or neck NEC | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Muscle flap graft to breast | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Local myocutaneous flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Orbitotomy with bone flap by lateral approach, Kroenlein, with drainage | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 4 | 
| Reconstruction using local subcutaneous pedicle V-Y flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Other specified local subcutaneous pedicle skin flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Reconstruction using local subcutaneous pedicle myocutaneous flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Grafting of bone of thumb with transfer of skin flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 4 | 
| Reconstruction using distant subcutaneous pedicle axial pattern flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Local subcutaneous pedicle island flap, axial pattern NEC | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Local fasciocutaneous flap NOS | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Reconstruction using distant free osteofasciocutaneous flap with microvascular anastomosis | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Reconstruction using distant subcutaneous pedicle random pattern flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Reconstruction using local subcutaneous pedicle V-Y osteomyocutaneous flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Local sensory skin flap to head or neck | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Full thickness excision of lip, reconstruction with local flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Local subcutaneous pedicle island flap, myocutaneous, to head or neck | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Arterial jump graft | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Reconstruction using local subcutaneous pedicle island osteomyocutaneous flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Distant subcutaneous pedicle flap, axial pattern NEC | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Distant subcutaneous pedicle flap, random pattern NEC | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Reconstruction using local osteomyocutaneous advancement flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 4 | 
| Reconstruction of external ear with temporalis fascia flap and skin graft | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Dist fasciocutaneous flap NOS | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Distant fasciocutaneous flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Reconstruction using local subcutaneous pedicle V-Y osteofasciocutaneous flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Local transposition flap - random pattern | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Distant cutaneous pedicle flap, fasciocutaneous | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Distant cutaneous pedicle flap, osseofasciocutaneous | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Distant microvascular transferred flap, fasciocutaneous | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Other specified distant fasciocutaneous flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Reconstruction using distant pedicle skin flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Reconstruction using distant pedicle random pattern skin flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Other specified distant cutaneous pedicle skin flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Distant subcutaneous pedicle flap, random pattern, to head or neck | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Distant skin flap to head or neck NEC | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Distant microvascular transferred flap, axial pattern | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Other distant skin flap NOS | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Neurovascular island sensory skin flap NEC | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Local sensory skin flap NEC | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Bipedicled sensory flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Other specified local myocutaneous flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Local subcutaneous pedicle island flap, fasciocutaneous, to head or neck | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Local subcutaneous pedicle island flap, fasciocutaneous NEC | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Local transposition flap, fasciocutaneous | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Local rotation flap, fasciocutaneous | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Reconstruction using local subcutaneous pedicle island osteofasciocutaneous flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Local subcutaneous pedicle V-Y flap, fasciocutaneous | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Other specified local fasciocutaneous flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Local subcutaneous pedicle island flap, axial pattern, to head or neck | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Other specified local flap of skin | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Other local skin flap NOS | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Mucosal flap NOS | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 |