F19.9
Non-billableOther psychoactive substance use, unspecified
F19.9 is the ICD-10-CM code for Other psychoactive substance use, unspecified. It is a non-billable category code — use a more specific child code such as F19.90 for billing.
F01-F99 Mental, Behavioral and Neurodevelopmental disorders
What this means — in plain language
MedlinePlus · NIHWhat 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.
Excludes1 — not coded here
Frequently asked questions
- What is ICD-10 code F19.9?
- F19.9 is the ICD-10-CM code for "Other psychoactive substance use, unspecified". It falls under F01-F99 Mental, Behavioral and Neurodevelopmental disorders.
- Is F19.9 a billable code?
- No — F19.9 is a non-billable header code. Use a more specific child code (such as F19.90) for billing.
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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