ICD-10-CM > F01-F99 > F10-F19 > F16 > F16.1 > F16.18 F16.18 Hallucinogen abuse with other hallucinogen-induced disorder Non-Billable/Non-Specific Codes F16.180Hallucinogen abuse with hallucinogen-induced anxiety disorderF16.183Hallucinogen abuse with hallucinogen persisting perception disorder (flashbacks)F16.188Hallucinogen abuse with other hallucinogen-induced disorder