ICD-10-CM > S00-T88 > S00-S09 > S06 > S06.5 > S06.5X > S06.5X5 S06.5X5 Traumatic subdural hemorrhage with loss of consciousness greater than 24 hours with return to pre-existing conscious level Non-Billable/Non-Specific Codes S06.5X5A..., initial encounterS06.5X5D..., subsequent encounterS06.5X5S..., sequela