ICD-10-CM > S00-T88 > T36-T50 > T40 > T40.0 > T40.0X > T40.0X3 T40.0X3 Poisoning by opium, assault Non-Billable/Non-Specific Codes T40.0X3A..., initial encounterT40.0X3D..., subsequent encounterT40.0X3S..., sequela