| S02.109A | Fracture of base of skull, unspecified side, initial encounter for closed fracture | BILLABLE CODE |
| S02.109B | Fracture of base of skull, unspecified side, initial encounter for open fracture | BILLABLE CODE |
| S02.109D | Fracture of base of skull, unspecified side, subsequent encounter for fracture with routine healing | BILLABLE CODE |
| S02.109G | Fracture of base of skull, unspecified side, subsequent encounter for fracture with delayed healing | BILLABLE CODE |
| S02.109K | Fracture of base of skull, unspecified side, subsequent encounter for fracture with nonunion | BILLABLE CODE |
| S02.109S | Fracture of base of skull, unspecified side, sequela | BILLABLE CODE |
