ICD-10-CM > S00-T88 > S00-S09 > S06 > S06.8 > S06.82 > S06.826 > S06.826S S06.826S Injury of left internal carotid artery, intracranial portion, not elsewhere classified with loss of consciousness greater than 24 hours without return to pre-existing conscious level with patient surviving, sequela Billable/Specific Copy Code Copy Description