ICD-10-CM > S00-T88 > S10-S19 > S15 > S15.1 > S15.10 S15.10 Unspecified injury of vertebral artery Non-Billable/Non-Specific Codes S15.101Unspecified injury of right vertebral arteryS15.101A..., initial encounterS15.101D..., subsequent encounterS15.101S..., sequelaS15.102Unspecified injury of left vertebral arteryS15.102A..., initial encounterS15.102D..., subsequent encounterS15.102S..., sequelaS15.109Unspecified injury of unspecified vertebral arteryS15.109A..., initial encounterS15.109D..., subsequent encounterS15.109S..., sequela