| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| MRI of neck vessels | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Procedure on upper respiratory tract | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Procedure on head | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Procedure on neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Procedure on artery of head and neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Biopsy of upper aerodigestive tract | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Layer closure of wounds of scalp and neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Ultrasonography of head and neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Radiography of face, head AND/OR neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Stripping of varicose veins of head and neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Phlebectomy of varicose vein of head and neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Reconstruction of head and neck using myocutaneous flap (procedure) | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Doppler flow mapping of head and neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Radiotherapy by infusion of head and/or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Interstitial brachytherapy to head and/or neck using temporary implant (procedure) | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Excision of fistula of skin of head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Ligation of lesion of skin of head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Excision of blemish of skin of head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Excision of sebaceous cyst of head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Microscopically controlled excision of lesion of skin of head or neck using chemosurgical technique | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Marsupialization of lesion of skin of head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Shave excision of lesion of skin of head or neck (procedure) | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Curettage and cauterization of lesion of skin head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Laser destruction of lesion of skin of head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Cauterisation of lesion of skin of head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Cryotherapy to lesion of skin of head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Chemical peeling of lesion of skin of head or neck (procedure) | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Electrolysis to lesion of skin of head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Painting of warts of head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Punch biopsy of lesion of skin of head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Shave biopsy of lesion of skin of head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Distant subcutaneous pedicle flap, myocutaneous, to head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Distant subcutaneous pedicle flap, fasciocutaneous, to head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Distant subcutaneous pedicle flap, random pattern, to head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Neurovascular island sensory skin flap to head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Local sensory skin flap to head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Z plasty to head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| W plasty to head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Local subcutaneous pedicle island flap, myocutaneous, to head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Local subcutaneous pedicle island flap, fasciocutaneous, to head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Local subcutaneous pedicle island flap, axial pattern, to head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Local subcutaneous pedicle island flap, random pattern, to head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Local transposition flap, axial pattern, to head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Local rotation flap, random pattern, to head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Delay of flap of skin to head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Transfer of flap of skin to head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Revision of flap of skin to head or neck (procedure) | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Final inset of flap of skin to head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Thinning of flap of skin to head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Removal of flap of skin to head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Meshed split autograft of skin to head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Full thickness autograft of skin to head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Xenograft of skin to head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Allograft of amniotic membrane to head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Removal of clip from skin of head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Removal of suture from skin of head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Removal of metal from skin of head or neck (procedure) | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Removal of glass from skin of head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Removal of dirt from skin of head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Incision of skin of head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Insertion of skin expander into subcutaneous tissue of head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Removal of skin expander from subcutaneous tissue of head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Toilet or clean burnt skin of head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Debridement of burnt skin of head and neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Tangent excision of burnt skin of head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Dressing of burnt skin of head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Attention to dressing of burn of head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Exploration of burnt skin of head or neck OS | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Dermabrasion of skin of head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Liposuction of subcutaneous tissue of head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Frozen section microscopically controlled excision of lesion of skin of head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Reconstruction of head or neck using distant pedicle skin flap | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Distant subcutaneous pedicle flap, axial pattern, to head or neck (procedure) | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Local transposition flap, random pattern, to head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Suture of skin of head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Drainage of lesion of skin of head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Drainage of abscess of head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Excision of congenital pigmented naevus of head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Excision biopsy of lesion of skin of head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Drainage of lesion of cervical lymph node | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Operative procedure on skin of head AND/OR neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Excision of cervical lymph node | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Biopsy of cervical lymph node | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Fine needle aspiration of cervical lymph node | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Cervical lymph nodes sampling (procedure) | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Examination of cervical lymph nodes | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Head and neck contrast procedure | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Skin of head and/or neck repair | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Removal of suture of skin of head and neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Angiography of neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Venography: head/neck/thorax | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Tomography - head/neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Excision or biopsy of scalene lymph node | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Free skin graft to head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Operative angiography of head and/or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Removal of mole of skin of head or neck by excision | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Cleaning of skin wound of head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Surgical repair of head and neck structure | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Ear, nose and throat examination | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Grafting of cultured skin to head or neck | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  | 
| Head and neck contrast procedure | Is a | False | Procedure on head AND/OR neck | Inferred relationship | Some |  |