ICD-10 Code F16.220 – Hallucinogen dependence with intoxication, uncomplicated (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code F16.220 – Hallucinogen dependence with intoxication, uncomplicated
What it is
This code identifies hallucinogen dependence with current intoxication, without documented complications. Use it when the record shows both dependence and acute intoxication from a hallucinogenic substance.
Clinical signs
Typical intoxication findings may include altered perception, mood changes, impaired judgment, and behavioral changes. Clinical features vary; refer to documentation for evidence of dependence and current intoxication.
When to use this code
Use this code when the provider documents hallucinogen dependence and notes intoxication at the same encounter. It fits uncomplicated cases with no recorded delirium, psychosis, or other specified complication. Check documentation if the substance or severity is unclear.
Do not use for
Do not use this code for hallucinogen use without dependence, or for intoxication without dependence. Do not assign it when the record documents a complication that requires a different code.
Coding tip
Confirm that both dependence and intoxication are explicitly documented before coding F16.220.