ICD-10-CM > S00-T88 > T36-T50 > T40 > T40.8 > T40.8X > T40.8X4 T40.8X4 Poisoning by lysergide [LSD], undetermined Non-Billable/Non-Specific Codes T40.8X4A..., initial encounterT40.8X4D..., subsequent encounterT40.8X4S..., sequela