| S12.14XA | Type III traumatic spondylolisthesis of second cervical vertebra, initial encounter for closed fracture | BILLABLE CODE |
| S12.14XB | Type III traumatic spondylolisthesis of second cervical vertebra, initial encounter for open fracture | BILLABLE CODE |
| S12.14XD | Type III traumatic spondylolisthesis of second cervical vertebra, subsequent encounter for fracture with routine healing | BILLABLE CODE |
| S12.14XG | Type III traumatic spondylolisthesis of second cervical vertebra, subsequent encounter for fracture with delayed healing | BILLABLE CODE |
| S12.14XK | Type III traumatic spondylolisthesis of second cervical vertebra, subsequent encounter for fracture with nonunion | BILLABLE CODE |
| S12.14XS | Type III traumatic spondylolisthesis of second cervical vertebra, sequela | BILLABLE CODE |
