ICD-10-CM > S00-T88 > T36-T50 > T40 > T40.7 > T40.71 > T40.711 T40.711 Poisoning by cannabis, accidental (unintentional) Non-Billable/Non-Specific Codes T40.711A..., initial encounterT40.711D..., subsequent encounterT40.711S..., sequela