| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Plain X-ray of clavicle (procedure) | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Positive contrast meatogram | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| CT of pituitary fossa | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| CT of petrous bones | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| CT of thoracic spine | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Orthodontic cephalogram | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Radiography of ribs | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Radiography of sternum (procedure) | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Ophthalmoscopy with medical evaluation, extended, with fluorescein angiography | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Skeletal X-ray of pelvis and hip | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Diagnostic radiography of skull | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Diagnostic radiography of mastoids | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Radiography of thoracic spine | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Radiologic examination, osseous survey, complete | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Skeletal X-ray of lower limb | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Thoracic discography | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Radiography for bone age studies | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Radiography for bone length studies | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Fluoroscopy - skeleton/limbs | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Tomography - skeleton/limbs | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Odontoid peg X-ray | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Diagnostic radiography of coccyx | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Stereotactic/stereoscopic test - skull | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Stereotactic/stereoscopic test - skeleton | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Symphysis pubis X-ray | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Tomography - skeleton/limbs | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Diagnostic radiography of pelvis, stereo views | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Orthodontic cephalogram | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Transmission bone density study | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Cephalometry X-ray | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Interphalangeal joint arthrogram | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Panorex examination of mandible | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Diagnostic radiography of mastoids | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Diagnostic radiography of finger | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Selective angiography of blood vessel of spine (procedure) | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Diagnostic radiography of fibula, combined AP and lateral | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Radiography of spine | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Bone imaging, tomographic | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Spinal contrast procedure | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Computed tomography of neck skeleton | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Specific spinal X-ray | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Radiography of humerus | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Diagnostic radiography of skull | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Radiography of thoracic spine | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Radiologic examination of lumbosacral spine, anteroposterior and lateral | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Diagnostic radiography of sacral spine, combined AP and lateral | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Skeletal X-ray of upper limb | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Radiography of pelvic bones | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Plain X-ray spine NOS | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Computed tomography discogram | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| CT of thoracic skeleton | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Selective angiography of blood vessel of spine (procedure) | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Ilium X-ray | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Cervical myelography | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Diagnostic radiography of spine with flexion and extension studies | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Diagnostic radiography of spine, survey study | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Instability views spine | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Scoliosis survey X-ray | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Odontoid peg X-ray | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Mastoid processes X-ray | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| CT of skull | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Skull vault X-ray | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Internal auditory meatus X-ray | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Cephalometry X-ray | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Styloid process X-ray | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Plain film of cavities of head | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Radiography of mandible | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Radiography of symphysis menti | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Panorex examination of mandible | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Radiologic examination of sella turcica | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Radiography of maxilla | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Clivogram | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| X-ray of skull | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Air contrast orbitography | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Radiography of zygomaticomaxillary complex | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Plain X-ray base of skull | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Fluoroscopy - skull | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Fluoroscopy - skeleton/limbs | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Stereotactic/stereoscopic test - skull | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Postmortem radiographic imaging of skull (procedure) | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Plain X-ray skull NOS | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Computed tomography of facial bones (procedure) | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Computed tomography of mandible (procedure) | Is a | False | Skeletal X-ray | Inferred relationship | Some |  | 
| Computed tomography of mastoid (procedure) | Is a | False | Skeletal X-ray | Inferred relationship | Some |  |