ICD-10-CM > S00-T88 > S00-S09 > S06 > S06.8 > S06.81 > S06.814 S06.814 Injury of right internal carotid artery, intracranial portion, not elsewhere classified with loss of consciousness of 6 hours to 24 hours Non-Billable/Non-Specific Codes S06.814A..., initial encounterS06.814D..., subsequent encounterS06.814S..., sequela