ICD-10-CM > S00-T88 > S00-S09 > S06 > S06.2 > S06.2X > S06.2X3 S06.2X3 Diffuse traumatic brain injury with loss of consciousness of 1 hour to 5 hours 59 minutes Non-Billable/Non-Specific Codes S06.2X3A..., initial encounterS06.2X3D..., subsequent encounterS06.2X3S..., sequela