ICD-10-CM > S00-T88 > S00-S09 > S06 > S06.5 > S06.5X > S06.5X0 S06.5X0 Traumatic subdural hemorrhage without loss of consciousness Non-Billable/Non-Specific Codes S06.5X0A..., initial encounterS06.5X0D..., subsequent encounterS06.5X0S..., sequela