ICD-10-CM > S00-T88 > S00-S09 > S06 > S06.6 > S06.6X > S06.6X9 S06.6X9 Traumatic subarachnoid hemorrhage with loss of consciousness of unspecified duration Non-Billable/Non-Specific Codes S06.6X9A..., initial encounterS06.6X9D..., subsequent encounterS06.6X9S..., sequela