ICD-10-CM > S00-T88 > S00-S09 > S06 > S06.6 > S06.6X > S06.6X7 S06.6X7 Traumatic subarachnoid hemorrhage with loss of consciousness of any duration with death due to brain injury prior to regaining consciousness Non-Billable/Non-Specific Codes S06.6X7A..., initial encounterS06.6X7D..., subsequent encounterS06.6X7S..., sequela