Tetraplegia HP:0002445 HP:0010552 UMLS:C0034372 Paralysis of all four limbs Paralysis of all four limbs, and trunk of the body below the level of an associated injury to the spinal cord. The etiology of quadriplegia is similar to that of paraplegia except that the lesion is in the cervical spinal cord rather than in the thoracic or lumbar segments of the spinal cord. Quadriplegia SNOMEDCT_US:11538006 Tetraplegia/tetraparesis