ICD-10-CM > S00-T88 > S00-S09 > S06 > S06.3 > S06.30 > S06.301 S06.301 Unspecified focal traumatic brain injury with loss of consciousness of 30 minutes or less Non-Billable/Non-Specific Applicable To Unspecified focal traumatic brain injury with brief loss of consciousness Codes S06.301A..., initial encounterS06.301D..., subsequent encounterS06.301S..., sequela