| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Open fracture cervical vertebra, spondylolysis | Is a | False | Open fracture of cervical spine | Inferred relationship | Existential restriction modifier |  | 
| Open fracture cervical vertebra, posterior arch | Is a | True | Open fracture of cervical spine | Inferred relationship | Existential restriction modifier |  | 
| Open fracture atlas | Is a | True | Open fracture of cervical spine | Inferred relationship | Existential restriction modifier |  | 
| Open fracture axis | Is a | True | Open fracture of cervical spine | Inferred relationship | Existential restriction modifier |  | 
| Open fracture of third cervical vertebra | Is a | True | Open fracture of cervical spine | Inferred relationship | Existential restriction modifier |  | 
| Open fracture of fourth cervical vertebra | Is a | True | Open fracture of cervical spine | Inferred relationship | Existential restriction modifier |  | 
| Open fracture of fifth cervical vertebra | Is a | True | Open fracture of cervical spine | Inferred relationship | Existential restriction modifier |  | 
| Open fracture of sixth cervical vertebra | Is a | True | Open fracture of cervical spine | Inferred relationship | Existential restriction modifier |  | 
| Open fracture of seventh cervical vertebra | Is a | True | Open fracture of cervical spine | Inferred relationship | Existential restriction modifier |  | 
| Open fracture of unspecified cervical vertebra | Is a | False | Open fracture of cervical spine | Inferred relationship | Existential restriction modifier |  | 
| Open fracture of cervical spine not otherwise specified | Is a | False | Open fracture of cervical spine | Inferred relationship | Existential restriction modifier |  | 
| Open fracture axis, odontoid process | Is a | False | Open fracture of cervical spine | Inferred relationship | Existential restriction modifier |  | 
| Open fracture cervical vertebra, burst | Is a | True | Open fracture of cervical spine | Inferred relationship | Existential restriction modifier |  | 
| Open fracture cervical vertebra, wedge | Is a | True | Open fracture of cervical spine | Inferred relationship | Existential restriction modifier |  | 
| Open fracture cervical vertebra, spinous process | Is a | True | Open fracture of cervical spine | Inferred relationship | Existential restriction modifier |  | 
| Open fracture cervical vertebra, tricolumnar | Is a | True | Open fracture of cervical spine | Inferred relationship | Existential restriction modifier |  | 
| Multiple open fractures of cervical vertebrae | Is a | True | Open fracture of cervical spine | Inferred relationship | Existential restriction modifier |  | 
| Open fracture of cervical vertebra without spinal cord injury | Is a | False | Open fracture of cervical spine | Inferred relationship | Existential restriction modifier |  | 
| Open fracture of cervical spine with spinal cord lesion | Is a | True | Open fracture of cervical spine | Inferred relationship | Existential restriction modifier |  | 
| Open spinal fracture with complete cervical cord lesion, C1-4 | Is a | False | Open fracture of cervical spine | Inferred relationship | Existential restriction modifier |  | 
| Open spinal fracture with anterior cervical cord lesion, C1-4 | Is a | False | Open fracture of cervical spine | Inferred relationship | Existential restriction modifier |  | 
| Open spinal fracture with central cervical cord lesion, C1-4 | Is a | False | Open fracture of cervical spine | Inferred relationship | Existential restriction modifier |  | 
| Open spinal fracture with posterior cervical cord lesion, C1-4 | Is a | False | Open fracture of cervical spine | Inferred relationship | Existential restriction modifier |  | 
| Open spinal fracture with complete cervical cord lesion, C5-7 | Is a | False | Open fracture of cervical spine | Inferred relationship | Existential restriction modifier |  | 
| Open spinal fracture with anterior cervical cord lesion, C5-7 | Is a | False | Open fracture of cervical spine | Inferred relationship | Existential restriction modifier |  | 
| Open spinal fracture with central cervical cord lesion, C5-7 | Is a | False | Open fracture of cervical spine | Inferred relationship | Existential restriction modifier |  | 
| Open spinal fracture with posterior cervical cord lesion, C5-7 | Is a | False | Open fracture of cervical spine | Inferred relationship | Existential restriction modifier |  | 
| Open fracture of atlas without spinal cord lesion | Is a | False | Open fracture of cervical spine | Inferred relationship | Existential restriction modifier |  | 
| Open fracture of axis without spinal cord lesion | Is a | False | Open fracture of cervical spine | Inferred relationship | Existential restriction modifier |  | 
| Open fracture of cervical region with spinal cord injury | Is a | False | Open fracture of cervical spine | Inferred relationship | Existential restriction modifier |  | 
| Open fracture cervical vertebra, transverse process | Is a | True | Open fracture of cervical spine | Inferred relationship | Existential restriction modifier |  | 
| Open fracture of C1-C4 level with incomplete spinal cord lesion | Due to | False | Open fracture of cervical spine | Inferred relationship | Existential restriction modifier | 3 | 
| Anterior cord syndrome co-occurrent and due to open fracture of C1-C4 level | Due to | False | Open fracture of cervical spine | Inferred relationship | Existential restriction modifier | 5 | 
| Open spinal fracture with anterior cervical cord lesion, C1-4 | Due to | False | Open fracture of cervical spine | Inferred relationship | Existential restriction modifier | 3 | 
| Open fracture of C1-C4 level with spinal cord injury | Due to | False | Open fracture of cervical spine | Inferred relationship | Existential restriction modifier | 3 | 
| Open spinal fracture with complete cervical cord lesion, C1-4 | Due to | False | Open fracture of cervical spine | Inferred relationship | Existential restriction modifier | 3 | 
| Open spinal fracture with central cervical cord lesion, C1-4 | Due to | False | Open fracture of cervical spine | Inferred relationship | Existential restriction modifier | 3 | 
| Open spinal fracture with posterior cervical cord lesion, C1-4 | Due to | False | Open fracture of cervical spine | Inferred relationship | Existential restriction modifier | 3 | 
| Open fracture of C1-C4 level with central cord syndrome | Due to | False | Open fracture of cervical spine | Inferred relationship | Existential restriction modifier | 3 | 
| Open fracture of C1-C4 level with posterior cord syndrome | Due to | False | Open fracture of cervical spine | Inferred relationship | Existential restriction modifier | 3 | 
| Anterior cord syndrome co-occurrent and due to open fracture of C5-C7 level | Due to | False | Open fracture of cervical spine | Inferred relationship | Existential restriction modifier | 5 | 
| Open fractures involving head with neck | Is a | True | Open fracture of cervical spine | Inferred relationship | Existential restriction modifier |  | 
| Open fracture of cervical spine not otherwise specified | Is a | False | Open fracture of cervical spine | Inferred relationship | Existential restriction modifier |  | 
| Open fracture of unspecified cervical vertebra | Is a | False | Open fracture of cervical spine | Inferred relationship | Existential restriction modifier |  |