ICD-10-CM > S00-T88 > S00-S09 > S06 > S06.5 > S06.5X > S06.5X4 S06.5X4 Traumatic subdural hemorrhage with loss of consciousness of 6 hours to 24 hours Non-Billable/Non-Specific Codes S06.5X4A..., initial encounterS06.5X4D..., subsequent encounterS06.5X4S..., sequela