| S12.64XA | Type III traumatic spondylolisthesis of seventh cervical vertebra, initial encounter for closed fracture | BILLABLE CODE |
| S12.64XB | Type III traumatic spondylolisthesis of seventh cervical vertebra, initial encounter for open fracture | BILLABLE CODE |
| S12.64XD | Type III traumatic spondylolisthesis of seventh cervical vertebra, subsequent encounter for fracture with routine healing | BILLABLE CODE |
| S12.64XG | Type III traumatic spondylolisthesis of seventh cervical vertebra, subsequent encounter for fracture with delayed healing | BILLABLE CODE |
| S12.64XK | Type III traumatic spondylolisthesis of seventh cervical vertebra, subsequent encounter for fracture with nonunion | BILLABLE CODE |
| S12.64XS | Type III traumatic spondylolisthesis of seventh cervical vertebra, sequela | BILLABLE CODE |
