ICD-10-CM > S00-T88 > S00-S09 > S06 > S06.6 > S06.6X > S06.6X4 S06.6X4 Traumatic subarachnoid hemorrhage with loss of consciousness of 6 hours to 24 hours Non-Billable/Non-Specific Codes S06.6X4A..., initial encounterS06.6X4D..., subsequent encounterS06.6X4S..., sequela