| ICD-10 Code | Description |
| S12.300A | Unspecified displaced fracture of fourth cervical vertebra, initial encounter for closed fracture |
| S12.300B | Unspecified displaced fracture of fourth cervical vertebra, initial encounter for open fracture |
| S12.300D | Unspecified displaced fracture of fourth cervical vertebra, subsequent encounter for fracture with routine healing |
| S12.300G | Unspecified displaced fracture of fourth cervical vertebra, subsequent encounter for fracture with delayed healing |
| S12.300K | Unspecified displaced fracture of fourth cervical vertebra, subsequent encounter for fracture with nonunion |
| S12.300S | Unspecified displaced fracture of fourth cervical vertebra, sequela |
| S12.301A | Unspecified nondisplaced fracture of fourth cervical vertebra, initial encounter for closed fracture |
| S12.301B | Unspecified nondisplaced fracture of fourth cervical vertebra, initial encounter for open fracture |
| S12.301D | Unspecified nondisplaced fracture of fourth cervical vertebra, subsequent encounter for fracture with routine healing |
| S12.301G | Unspecified nondisplaced fracture of fourth cervical vertebra, subsequent encounter for fracture with delayed healing |
| S12.301K | Unspecified nondisplaced fracture of fourth cervical vertebra, subsequent encounter for fracture with nonunion |
| S12.301S | Unspecified nondisplaced fracture of fourth cervical vertebra, sequela |
| S12.330A | Unspecified traumatic displaced spondylolisthesis of fourth cervical vertebra, initial encounter for closed fracture |
| S12.330B | Unspecified traumatic displaced spondylolisthesis of fourth cervical vertebra, initial encounter for open fracture |
| S12.330D | Unspecified traumatic displaced spondylolisthesis of fourth cervical vertebra, subsequent encounter for fracture with routine healing |
| S12.330G | Unspecified traumatic displaced spondylolisthesis of fourth cervical vertebra, subsequent encounter for fracture with delayed healing |
| S12.330K | Unspecified traumatic displaced spondylolisthesis of fourth cervical vertebra, subsequent encounter for fracture with nonunion |
| S12.330S | Unspecified traumatic displaced spondylolisthesis of fourth cervical vertebra, sequela |
| S12.331A | Unspecified traumatic nondisplaced spondylolisthesis of fourth cervical vertebra, initial encounter for closed fracture |
| S12.331B | Unspecified traumatic nondisplaced spondylolisthesis of fourth cervical vertebra, initial encounter for open fracture |
| S12.331D | Unspecified traumatic nondisplaced spondylolisthesis of fourth cervical vertebra, subsequent encounter for fracture with routine healing |
| S12.331G | Unspecified traumatic nondisplaced spondylolisthesis of fourth cervical vertebra, subsequent encounter for fracture with delayed healing |
| S12.331K | Unspecified traumatic nondisplaced spondylolisthesis of fourth cervical vertebra, subsequent encounter for fracture with nonunion |
| S12.331S | Unspecified traumatic nondisplaced spondylolisthesis of fourth cervical vertebra, sequela |
| S12.34XA | Type III traumatic spondylolisthesis of fourth cervical vertebra, initial encounter for closed fracture |
| S12.34XB | Type III traumatic spondylolisthesis of fourth cervical vertebra, initial encounter for open fracture |
| S12.34XD | Type III traumatic spondylolisthesis of fourth cervical vertebra, subsequent encounter for fracture with routine healing |
| S12.34XG | Type III traumatic spondylolisthesis of fourth cervical vertebra, subsequent encounter for fracture with delayed healing |
| S12.34XK | Type III traumatic spondylolisthesis of fourth cervical vertebra, subsequent encounter for fracture with nonunion |
| S12.34XS | Type III traumatic spondylolisthesis of fourth cervical vertebra, sequela |
| S12.350A | Other traumatic displaced spondylolisthesis of fourth cervical vertebra, initial encounter for closed fracture |
| S12.350B | Other traumatic displaced spondylolisthesis of fourth cervical vertebra, initial encounter for open fracture |
| S12.350D | Other traumatic displaced spondylolisthesis of fourth cervical vertebra, subsequent encounter for fracture with routine healing |
| S12.350G | Other traumatic displaced spondylolisthesis of fourth cervical vertebra, subsequent encounter for fracture with delayed healing |
| S12.350K | Other traumatic displaced spondylolisthesis of fourth cervical vertebra, subsequent encounter for fracture with nonunion |
| S12.350S | Other traumatic displaced spondylolisthesis of fourth cervical vertebra, sequela |
| S12.351A | Other traumatic nondisplaced spondylolisthesis of fourth cervical vertebra, initial encounter for closed fracture |
| S12.351B | Other traumatic nondisplaced spondylolisthesis of fourth cervical vertebra, initial encounter for open fracture |
| S12.351D | Other traumatic nondisplaced spondylolisthesis of fourth cervical vertebra, subsequent encounter for fracture with routine healing |
| S12.351G | Other traumatic nondisplaced spondylolisthesis of fourth cervical vertebra, subsequent encounter for fracture with delayed healing |
| S12.351K | Other traumatic nondisplaced spondylolisthesis of fourth cervical vertebra, subsequent encounter for fracture with nonunion |
| S12.351S | Other traumatic nondisplaced spondylolisthesis of fourth cervical vertebra, sequela |
| S12.390A | Other displaced fracture of fourth cervical vertebra, initial encounter for closed fracture |
| S12.390B | Other displaced fracture of fourth cervical vertebra, initial encounter for open fracture |
| S12.390D | Other displaced fracture of fourth cervical vertebra, subsequent encounter for fracture with routine healing |
| S12.390G | Other displaced fracture of fourth cervical vertebra, subsequent encounter for fracture with delayed healing |
| S12.390K | Other displaced fracture of fourth cervical vertebra, subsequent encounter for fracture with nonunion |
| S12.390S | Other displaced fracture of fourth cervical vertebra, sequela |
| S12.391A | Other nondisplaced fracture of fourth cervical vertebra, initial encounter for closed fracture |
| S12.391B | Other nondisplaced fracture of fourth cervical vertebra, initial encounter for open fracture |
| S12.391D | Other nondisplaced fracture of fourth cervical vertebra, subsequent encounter for fracture with routine healing |
| S12.391G | Other nondisplaced fracture of fourth cervical vertebra, subsequent encounter for fracture with delayed healing |
| S12.391K | Other nondisplaced fracture of fourth cervical vertebra, subsequent encounter for fracture with nonunion |
| S12.391S | Other nondisplaced fracture of fourth cervical vertebra, sequela |
