ICD-10-CM > S00-T88 > S00-S09 > S06 > S06.6 > S06.6X > S06.6X5 S06.6X5 Traumatic subarachnoid hemorrhage with loss of consciousness greater than 24 hours with return to pre-existing conscious level Non-Billable/Non-Specific Codes S06.6X5A..., initial encounterS06.6X5D..., subsequent encounterS06.6X5S..., sequela