ICD-10-CM > S00-T88 > S00-S09 > S06 > S06.9 > S06.9X > S06.9X1 S06.9X1 Unspecified intracranial injury with loss of consciousness of 30 minutes or less Non-Billable/Non-Specific Applicable To Unspecified intracranial injury with brief loss of consciousness Codes S06.9X1A..., initial encounterS06.9X1D..., subsequent encounterS06.9X1S..., sequela