F16.18

Non-billable

Hallucinogen abuse with other hallucinogen-induced disorder

F16.18 is the ICD-10-CM code for Hallucinogen abuse with other hallucinogen-induced disorder. It is a non-billable category code — use a more specific child code such as F16.180 for billing.

Status
Header (non-billable)
Chapter
F01-F99
Parent
F16.1
Subcodes
3
Edition
FY2026

F01-F99 Mental, Behavioral and Neurodevelopmental disorders

A pattern of psychoactive substance use that is causing damage to health. The damage may be physical (as in cases of hepatitis from the self-administration of injected psychoactive substances) or mental (e.g. episodes of depressive disorder secondary to heavy consumption of alcohol).

What this means — in plain language

MedlinePlus · NIH

What are drugs? Drugs are chemical substances that can change how your body and mind work. They include prescription medicines, over-the-counter medicines , alcohol , tobacco , and illegal drugs. What is drug use? Drug use, or misuse, includes: Using illegal substances, such as: Anabolic steroids Club drugs Cocaine Heroin Inhalants Marijuana Methamphetamines Misusing prescription medicines , including opioids . This…

Read more about Drug Use and Addiction at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code F16.18?
F16.18 is the ICD-10-CM code for "Hallucinogen abuse with other hallucinogen-induced disorder". It falls under F01-F99 Mental, Behavioral and Neurodevelopmental disorders.
Is F16.18 a billable code?
No — F16.18 is a non-billable header code. Use a more specific child code (such as F16.180) for billing.
What are the subcodes of F16.18?
F16.18 has 3 more specific child codes, including F16.180, F16.183, F16.188.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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