ICD-10-CM > S00-T88 > S00-S09 > S06 > S06.8 > S06.82 > S06.827 > S06.827D S06.827D Injury of left internal carotid artery, intracranial portion, not elsewhere classified with loss of consciousness of any duration with death due to brain injury prior to regaining consciousness, subsequent encounter Billable/Specific Copy Code Copy Description