ICD-10-CM > S00-T88 > S00-S09 > S06 > S06.3 > S06.30 > S06.307 S06.307 Unspecified focal traumatic brain injury with loss of consciousness of any duration with death due to brain injury prior to regaining consciousness Non-Billable/Non-Specific Codes S06.307A..., initial encounterS06.307D..., subsequent encounterS06.307S..., sequela