ICD-10-CM > S00-T88 > S00-S09 > S06 > S06.8 > S06.82 > S06.828 S06.828 Injury of left internal carotid artery, intracranial portion, not elsewhere classified with loss of consciousness of any duration with death due to other cause prior to regaining consciousness Non-Billable/Non-Specific Codes S06.828A..., initial encounterS06.828D..., subsequent encounterS06.828S..., sequela