ICD-10-CM > S00-T88 > T36-T50 > T40 > T40.9 > T40.99 > T40.991 > T40.991S T40.991S Poisoning by other psychodysleptics [hallucinogens], accidental (unintentional), sequela Billable/Specific Copy Code Copy Description Applicable To Poisoning by other psychodysleptics [hallucinogens] NOS