| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Traumatic injury to head and/or neck due to physical abuse | Finding site | True | Structure of head and/or neck | Inferred relationship | Existential restriction modifier | 3 | 
| [X]Congenital malformations of eye, ear, face and neck | Finding site | False | Structure of head and/or neck | Inferred relationship | Existential restriction modifier | 1 | 
| [X]Crushing injury of other parts of head | Finding site | False | Structure of head and/or neck | Inferred relationship | Existential restriction modifier | 1 | 
| [X]Crushing injury of head, part unspecified | Finding site | False | Structure of head and/or neck | Inferred relationship | Existential restriction modifier | 1 | 
| Contrast radiography head/neck NOS | Procedure site - Direct | False | Structure of head and/or neck | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant melanoma of face NOS | Finding site | False | Structure of head and/or neck | Inferred relationship | Existential restriction modifier | 1 | 
| Crush injury, face, scalp and neck NOS | Finding site | False | Structure of head and/or neck | Inferred relationship | Existential restriction modifier | 1 | 
| Full thickness burn of unspecified part of face or head | Finding site | False | Structure of head and/or neck | Inferred relationship | Existential restriction modifier | 1 | 
| Deep full thickness burn of unspecified part of the face or head - without loss of body part | Finding site | False | Structure of head and/or neck | Inferred relationship | Existential restriction modifier | 1 | 
| Deep full thickness burn, without loss of body part, of face, head or neck NOS | Finding site | False | Structure of head and/or neck | Inferred relationship | Existential restriction modifier | 1 | 
| Deep full thickness burn of unspecified part of the face or head, with loss of body part | Finding site | False | Structure of head and/or neck | Inferred relationship | Existential restriction modifier | 1 | 
| Corrosion of unspecified degree of head and neck | Finding site | False | Structure of head and/or neck | Inferred relationship | Existential restriction modifier | 1 | 
| Unspecified thickness burn of the face, head or neck | Finding site | False | Structure of head and/or neck | Inferred relationship | Existential restriction modifier | 1 | 
| Unspecified thickness burn of unspecified part of face or head | Finding site | False | Structure of head and/or neck | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant melanoma of other and unspecified parts of face | Finding site | False | Structure of head and/or neck | Inferred relationship | Existential restriction modifier | 1 | 
| Ear, nose and throat examination - general NOS | Procedure site - Direct | False | Structure of head and/or neck | Inferred relationship | Existential restriction modifier | 1 | 
| Full thickness burn of the face, head or neck NOS | Finding site | False | Structure of head and/or neck | Inferred relationship | Existential restriction modifier | 1 | 
| Sore throat symptom NOS | Finding site | False | Structure of head and/or neck | Inferred relationship | Existential restriction modifier |  | 
| Malignant neoplasm of jaw NOS | Finding site | False | Structure of head and/or neck | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant neoplasm of supraclavicular fossa NOS | Finding site | False | Structure of head and/or neck | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant neoplasm of head NOS | Finding site | False | Structure of head and/or neck | Inferred relationship | Existential restriction modifier | 1 | 
| Open wound of head, neck and trunk NOS | Finding site | False | Structure of head and/or neck | Inferred relationship | Existential restriction modifier | 1 | 
| Injury face/neck NOS | Finding site | False | Structure of head and/or neck | Inferred relationship | Existential restriction modifier | 1 | 
| Superficial injury of face NOS, infected | Finding site | False | Structure of head and/or neck | Inferred relationship | Existential restriction modifier | 1 | 
| Superficial injury of neck NOS, infected | Finding site | False | Structure of head and/or neck | Inferred relationship | Existential restriction modifier | 1 | 
| Superficial injury of scalp NOS, infected | Finding site | False | Structure of head and/or neck | Inferred relationship | Existential restriction modifier | 1 | 
| Superficial injury of head NOS, infection NOS | Finding site | False | Structure of head and/or neck | Inferred relationship | Existential restriction modifier | 1 | 
| Superficial injury of face, neck, and scalp, no infection, NOS | Finding site | False | Structure of head and/or neck | Inferred relationship | Existential restriction modifier | 1 | 
| Superficial injury of face/neck/scalp NOS, infected | Finding site | False | Structure of head and/or neck | Inferred relationship | Existential restriction modifier | 1 | 
| Unspecified thickness burn of multiple sites of face, head or neck | Finding site | False | Structure of head and/or neck | Inferred relationship | Existential restriction modifier | 1 | 
| Deep full thickness burn, with loss of body part, of face, head or neck NOS | Finding site | False | Structure of head and/or neck | Inferred relationship | Existential restriction modifier | 1 | 
| Burn of the face, head or neck NOS | Finding site | False | Structure of head and/or neck | Inferred relationship | Existential restriction modifier | 1 | 
| Unspecified thickness burn of the face, head or neck NOS | Finding site | False | Structure of head and/or neck | Inferred relationship | Existential restriction modifier | 1 | 
| Complaining of a head symptom | Finding site | True | Structure of head and/or neck | Inferred relationship | Existential restriction modifier | 1 | 
| Complaining of a neck symptom | Finding site | True | Structure of head and/or neck | Inferred relationship | Existential restriction modifier | 1 | 
| Exploration of skin of neck | Procedure site | False | Structure of head and/or neck | Inferred relationship | Existential restriction modifier |  | 
| Exploration of burnt skin of neck | Procedure site | False | Structure of head and/or neck | Inferred relationship | Existential restriction modifier |  | 
| Attention to dressing of skin of head | Procedure site | False | Structure of head and/or neck | Inferred relationship | Existential restriction modifier |  | 
| Exploration of burnt skin of head | Procedure site | False | Structure of head and/or neck | Inferred relationship | Existential restriction modifier |  | 
| Exploration of skin of head | Procedure site | False | Structure of head and/or neck | Inferred relationship | Existential restriction modifier |  | 
| Attention to dressing of skin of neck | Procedure site | False | Structure of head and/or neck | Inferred relationship | Existential restriction modifier |  | 
| Curettage of lesion of skin of neck | Procedure site | False | Structure of head and/or neck | Inferred relationship | Existential restriction modifier |  | 
| Debridement of skin of neck | Procedure site | False | Structure of head and/or neck | Inferred relationship | Existential restriction modifier |  | 
| Curettage of lesion of skin of head | Procedure site | False | Structure of head and/or neck | Inferred relationship | Existential restriction modifier |  | 
| Debridement of skin of head | Procedure site | False | Structure of head and/or neck | Inferred relationship | Existential restriction modifier |  | 
| Positron emission tomography with computed tomography fluorodeoxyglucose imaging of head and neck (procedure) | Procedure site - Direct | False | Structure of head and/or neck | Inferred relationship | Existential restriction modifier | 1 | 
| Positron emission tomography with computed tomography fluorodeoxyglucose imaging of head and neck (procedure) | Procedure site - Direct | False | Structure of head and/or neck | Inferred relationship | Existential restriction modifier | 2 | 
| Dynamic magnetic resonance imaging of head and neck with contrast (procedure) | Procedure site - Direct | False | Structure of head and/or neck | Inferred relationship | Existential restriction modifier | 1 |