ICD-10-CM > S00-T88 > S00-S09 > S06 > S06.6 > S06.6X > S06.6X0 S06.6X0 Traumatic subarachnoid hemorrhage without loss of consciousness Non-Billable/Non-Specific Codes S06.6X0A..., initial encounterS06.6X0D..., subsequent encounterS06.6X0S..., sequela