S12.35 - Other traumatic spondylolisthesis of fourth cervical vertebra S12.3 - Fracture of fourth cervical vertebra S12.35 - Other traumatic spondylolisthesis of fourth cervical vertebra S12.350 - Other traumatic displaced spondylolisthesis of fourth cervical vertebra S12.351 - Other traumatic nondisplaced spondylolisthesis of fourth cervical vertebra