S12.431 - Unspecified traumatic nondisplaced spondylolisthesis of fifth cervical vertebra S12.4 - Fracture of fifth cervical vertebra S12.43 - Unspecified traumatic spondylolisthesis of fifth cervical vertebra S12.431 - Unspecified traumatic nondisplaced spondylolisthesis of fifth cervical vertebra