| S12.451A | Other traumatic nondisplaced spondylolisthesis of fifth cervical vertebra, initial encounter for closed fracture | BILLABLE CODE |
| S12.451B | Other traumatic nondisplaced spondylolisthesis of fifth cervical vertebra, initial encounter for open fracture | BILLABLE CODE |
| S12.451D | Other traumatic nondisplaced spondylolisthesis of fifth cervical vertebra, subsequent encounter for fracture with routine healing | BILLABLE CODE |
| S12.451G | Other traumatic nondisplaced spondylolisthesis of fifth cervical vertebra, subsequent encounter for fracture with delayed healing | BILLABLE CODE |
| S12.451K | Other traumatic nondisplaced spondylolisthesis of fifth cervical vertebra, subsequent encounter for fracture with nonunion | BILLABLE CODE |
| S12.451S | Other traumatic nondisplaced spondylolisthesis of fifth cervical vertebra, sequela | BILLABLE CODE |
