ICD-10-CM T40.905: Adverse effect of unspecified psychodysleptics [hallucinogens]

ICD-10-CM Diagnosis Code (2025)

Official Description for T40.905

Adverse effect of unspecified psychodysleptics [hallucinogens]

Parent Code (Less Specific):

About ICD-10-CM Code T40.905 (Adverse effect of unspecified psychodysleptics [hallucinogens])

ICD-10-CM code T40.905 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM T40.905 became effective on October 1, 2024.

This page provides detailed information about T40.905 - Adverse effect of unspecified psychodysleptics [hallucinogens]. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Adverse effect of unspecified psychodysleptics [hallucinogens].