| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Open grade I | Is a | True | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open grade II | Is a | True | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open grade III | Is a | True | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open wound of trachea without complication | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open fracture of trachea | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open wound of auditory canal with complication | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open wound of wrist with tendon involvement | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open wound of cochlea with complication | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open wound of larynx without complication | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open wound of nasal septum with complication | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open wound of elbow with tendon involvement | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open wound of forearm with tendon involvement | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open wound of nasal sinus with complication | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open wound of pharynx with complication | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open wound of buccal mucosa with complication | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open wound of larynx with trachea AND with complication | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open wound of upper arm with tendon involvement | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open wound of larynx with trachea without complication | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open wound of trachea with complication | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open wound of larynx with complication | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open fracture vault of skull without intracranial injury | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open fracture of vault of skull without mention of intracranial injury, with no loss of consciousness | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open fracture of vault of skull without mention of intracranial injury, with less than 1 hour loss of consciousness | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open fracture of vault of skull without mention of intracranial injury, with 1-24 hours loss of consciousness | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open fracture of vault of skull without mention of intracranial injury, with more than 24 hours loss of consciousness and return to pre-existing level of consciousness | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open fracture of vault of skull without mention of intracranial injury, with more than 24 hours loss of consciousness without return to pre-existing conscious level | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Intracranial injury co-occurrent and due to open fracture vault of skull | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open fracture of vault of skull with intracranial injury, with no loss of consciousness | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open fracture of vault of skull with intracranial injury, with less than 1 hour loss of consciousness | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open fracture of vault of skull with intracranial injury, with 1-24 hours loss of consciousness | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open fracture of vault of skull with intracranial injury, with more than 24 hours loss of consciousness and return to pre-existing conscious level | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open fracture of vault of skull with intracranial injury, with more than 24 hours loss of consciousness without return to pre-existing conscious level | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open fracture base of skull without mention of intracranial injury | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open fracture of base of skull without mention of intracranial injury, with no loss of consciousness | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open fracture of base of skull without mention of intracranial injury, with less than 1 hour loss of consciousness | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open fracture of base of skull without mention of intracranial injury, with 1-24 hours loss of consciousness | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open fracture of base of skull without mention of intracranial injury, with more than 24 hours loss of consciousness and return to pre-existing conscious level | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open fracture of base of skull without mention of intracranial injury, with more than 24 hours loss of consciousness without return to pre-existing conscious level | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open fracture base of skull with intracranial injury | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open fracture of base of skull with intracranial injury, with no loss of consciousness | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open fracture of base of skull with intracranial injury, with less than 1 hour loss of consciousness | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open fracture of base of skull with intracranial injury, with 1-24 hours loss of consciousness | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open fracture of base of skull with intracranial injury, with more than 24 hours loss of consciousness and return to pre-existing conscious level | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open fracture of base of skull with intracranial injury, with more than 24 hours loss of consciousness without return to pre-existing conscious level | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Fracture of mandible, open | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open fracture of mandible, condylar process | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open subcondylar fracture of mandible | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open fracture of coronoid process of mandible | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open fracture of mandible, angle of jaw | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open fracture of mandible, symphysis of body | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open fracture of mandible, alveolar border of body | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open fracture of multiple sites of mandible | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open fracture of maxilla | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open fracture zygoma | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Fracture of alveolus, open | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open fracture atlas, isolated arch or articular process | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open fracture axis, spondylolysis | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open fracture thoracic vertebra, spondylolysis | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open fracture thoracic vertebra, transverse process | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open fracture thoracic vertebra, posterior arch | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open fracture lumbar vertebra, spondylolysis | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open fracture lumbar vertebra, posterior arch | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open compression fracture sacrum | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open vertical fracture of sacrum | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open fracture of cervical spine with spinal cord lesion | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open spinal fracture with complete cervical cord lesion, C1-4 | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open spinal fracture with anterior cervical cord lesion, C1-4 | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open spinal fracture with central cervical cord lesion, C1-4 | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open spinal fracture with posterior cervical cord lesion, C1-4 | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open spinal fracture with complete cervical cord lesion, C5-7 | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open spinal fracture with anterior cervical cord lesion, C5-7 | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open spinal fracture with central cervical cord lesion, C5-7 | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open spinal fracture with posterior cervical cord lesion, C5-7 | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open fracture of thoracic spine with spinal cord lesion | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open spinal fracture with complete thoracic cord lesion, T1-6 | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open spinal fracture with anterior thoracic cord lesion, T1-6 | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open spinal fracture with central thoracic cord lesion, T1-6 | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open spinal fracture with posterior thoracic cord lesion, T1-6 | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open spinal fracture with complete thoracic cord lesion, T7-12 | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open spinal fracture with anterior thoracic cord lesion, T7-12 | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open spinal fracture with central thoracic cord lesion, T7-12 | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open spinal fracture with posterior thoracic cord lesion, T7-12 | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open fracture of lumbar spine with spinal cord lesion | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open spinal fracture with complete lumbar cord lesion | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open spinal fracture with anterior lumbar cord lesion | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open spinal fracture with central lumbar cord lesion | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open spinal fracture with posterior lumbar cord lesion | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Cauda equina lesion co-occurrent and due to open spinal fracture | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open fracture of sacrum with spinal cord lesion | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Complete cauda equina lesion co-occurrent and due to open fracture of sacrum | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open fracture of coccyx with spinal cord lesion | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open fracture of coccyx with complete cauda equina lesion | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open fracture of eight OR more ribs (disorder) | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open fracture larynx and trachea | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open fracture larynx | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open fracture of hyoid bone | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open fracture of thyroid cartilage | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open fracture acetabulum, anterior lip alone | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open fracture acetabulum, posterior lip alone | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open fracture acetabulum, anterior column | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  | 
| Open fracture acetabulum, posterior column | Communication with wound | False | Open injury | Inferred relationship | Existential restriction modifier |  |