| S12.120A | Other displaced dens fracture, initial encounter for closed fracture | BILLABLE CODE |
| S12.120B | Other displaced dens fracture, initial encounter for open fracture | BILLABLE CODE |
| S12.120D | Other displaced dens fracture, subsequent encounter for fracture with routine healing | BILLABLE CODE |
| S12.120G | Other displaced dens fracture, subsequent encounter for fracture with delayed healing | BILLABLE CODE |
| S12.120K | Other displaced dens fracture, subsequent encounter for fracture with nonunion | BILLABLE CODE |
| S12.120S | Other displaced dens fracture, sequela | BILLABLE CODE |
