| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Repair of bilateral cleft lip using triangular repair | Direct substance | True | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Repair of cleft lip with triangular flap | Direct substance | True | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Repair of bilateral cleft lip using rotation advancement flap | Direct substance | True | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Chest wall perforator flap | Is a | True | Flap | Inferred relationship | Existential restriction modifier |  | 
| Reconstruction of breast using chest wall perforator flap | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Other local skin flap NOS | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Other specified mucosal flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Mucosal flap NOS | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Other specified local flap of skin | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Other specified local fasciocutaneous flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Other specified local fasciocutaneous flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Other specified local fasciocutaneous flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Local flap of skin to head or neck NEC | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Reconstruction using distant free osteocutaneous flap | Using substance | True | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Reconstruction using distant osteocutaneous flap | Using substance | True | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Reconstruction using distant free osteocutaneous flap | Direct substance | True | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Vaginoplasty with rotational skin flaps | Direct substance | True | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Immediate reconstruction of breast with submuscular implant and reconstructive tissue matrix | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Delayed reconstruction of breast with submuscular implant | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Reconstruction using distant subcutaneous pedicle flap | Direct substance | True | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Reconstruction of breast with submuscular implant | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Immediate reconstruction of breast with submuscular implant | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Reconstruction using distant osteocutaneous pedicle flap | Direct substance | True | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Reconstruction using distant osteocutaneous flap | Direct substance | True | 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 | 
| Other specified distant fasciocutaneous flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Reconstruction of breast with submuscular implant and reconstructive tissue matrix | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Distant subcutaneous pedicle flap, fasciocutaneous NEC | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Other specified other distant skin flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Other distant skin flap NOS | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Local sensory skin flap NEC | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Delayed reconstruction of breast with submuscular implant and reconstructive tissue matrix | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Other specified sensory skin flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Local subcutaneous pedicle island flap, fasciocutaneous NEC | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Local subcutaneous pedicle island flap, fasciocutaneous NEC | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Local subcutaneous pedicle island flap, fasciocutaneous NEC | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Local fasciocutaneous flap to head or neck NEC | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Local fasciocutaneous flap to head or neck NEC | 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 | 
| Local fasciocutaneous flap NOS | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Local fasciocutaneous flap NOS | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Local fasciocutaneous flap NOS | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Local subcutaneous pedicle island flap, axial pattern NEC | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Local subcutaneous pedicle island flap, axial pattern NEC | 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 | 3 | 
| Local myocutaneous flap NOS | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Local myocutaneous flap NOS | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Local myocutaneous flap NOS | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Local subcutaneous pedicle island flap, random pattern NEC | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Local subcutaneous pedicle island flap, random pattern NEC | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Local subcutaneous pedicle island flap, random pattern NEC | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Local subcutaneous pedicle island flap to head or neck NEC | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Local subcutaneous pedicle island flap to head or neck NEC | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Local subcutaneous pedicle island flap to head or neck NEC | 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 | 1 | 
| Other specified local subcutaneous pedicle skin flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Other specified local subcutaneous pedicle skin flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Local subcutaneous pedicle skin flap NOS | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Local subcutaneous pedicle skin flap NOS | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Local subcutaneous pedicle skin flap NOS | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Local transposition flap, axial pattern NEC | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Local transposition flap, axial pattern NEC | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Local transposition flap, axial pattern NEC | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Distant subcutaneous pedicle flap, axial pattern NEC | Direct substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| 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 | 
| Other specified distant cutaneous pedicle skin flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Distant cutaneous pedicle skin flap NOS | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Other distant skin flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Other local skin flap | 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 | 1 | 
| Local transposition flap, random pattern NEC | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Local transposition flap, random pattern NEC | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Distant fasciocutaneous flap NOS | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Other specified local myocutaneous flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Other specified local myocutaneous 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 | 
| Sensory skin flap NOS | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Local subcutaneous pedicle flap, myocutaneous NEC | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Local subcutaneous pedicle flap, myocutaneous NEC | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Local subcutaneous pedicle flap, myocutaneous NEC | 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 | 1 | 
| Local myocutaneous flap to head or neck NEC | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Local myocutaneous flap to head or neck NEC | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Neurovascular island sensory skin flap NEC | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Distant skin flap to head or neck NEC | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Reconstruction of breast using pedicled omental flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Reconstruction of breast using free omental flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Local fasciocutaneous flap to head | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Local fasciocutaneous flap to neck | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Local myocutaneous flap to head | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Local myocutaneous flap to neck | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Distant subcutaneous pedicle flap, fasciocutaneous | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Neurovascular island sensory skin flap | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Local flap of skin to neck | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 1 | 
| Local fasciocutaneous flap to head | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 | 
| Local fasciocutaneous flap to head | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 3 | 
| Local fasciocutaneous flap to head | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 4 | 
| Local fasciocutaneous flap to head | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 5 | 
| Local fasciocutaneous flap to head | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 6 | 
| Local fasciocutaneous flap to neck | Using substance | False | Flap | Inferred relationship | Existential restriction modifier | 2 |