ICD-10-CM > S00-T88 > S00-S09 > S06 > S06.3 > S06.38 > S06.386 S06.386 Contusion, laceration, and hemorrhage of brainstem with loss of consciousness greater than 24 hours without return to pre-existing conscious level with patient surviving Non-Billable/Non-Specific Codes S06.386A..., initial encounterS06.386D..., subsequent encounterS06.386S..., sequela