| S15.101 | Unspecified injury of right vertebral artery | NON-BILLABLE CODE |
| S15.101A | Unspecified injury of right vertebral artery, initial encounter | BILLABLE CODE |
| S15.101D | Unspecified injury of right vertebral artery, subsequent encounter | BILLABLE CODE |
| S15.101S | Unspecified injury of right vertebral artery, sequela | BILLABLE CODE |
| S15.102 | Unspecified injury of left vertebral artery | NON-BILLABLE CODE |
| S15.102A | Unspecified injury of left vertebral artery, initial encounter | BILLABLE CODE |
| S15.102D | Unspecified injury of left vertebral artery, subsequent encounter | BILLABLE CODE |
| S15.102S | Unspecified injury of left vertebral artery, sequela | BILLABLE CODE |
| S15.109 | Unspecified injury of unspecified vertebral artery | NON-BILLABLE CODE |
| S15.109A | Unspecified injury of unspecified vertebral artery, initial encounter | BILLABLE CODE |
| S15.109D | Unspecified injury of unspecified vertebral artery, subsequent encounter | BILLABLE CODE |
| S15.109S | Unspecified injury of unspecified vertebral artery, sequela | BILLABLE CODE |
