ICD-10-CM > S00-T88 > S00-S09 > S06 > S06.8 > S06.8A > S06.8A1 S06.8A1 Primary blast injury of brain, not elsewhere classified with loss of consciousness of 30 minutes or less Non-Billable/Non-Specific Applicable To Primary blast injury of brain, not elsewhere classified with brief loss of consciousness Codes S06.8A1A..., initial encounterS06.8A1D..., subsequent encounterS06.8A1S..., sequela