F17.21

Non-billable

Nicotine dependence, cigarettes

F17.21 is the ICD-10-CM code for Nicotine dependence, cigarettes. It is a non-billable category code — use a more specific child code such as F17.210 for billing.

Status
Header (non-billable)
Chapter
F01-F99
Parent
F17.2
Subcodes
5
Edition
FY2026

F01-F99 Mental, Behavioral and Neurodevelopmental disorders

A cluster of behavioural, cognitive, and physiological phenomena that develop after repeated substance use and that typically include a strong desire to take the drug, difficulties in controlling its use, persisting in its use despite harmful consequences, a higher priority given to drug use than to other activities and obligations, increased tolerance, and sometimes a physical withdrawal state. The dependence syndrome may be present for a specific psychoactive substance (e.g. tobacco, alcohol, or diazepam), for a class of substances (e.g. opioid drugs), or for a wider range of pharmacologically different psychoactive substances.

What this means — in plain language

MedlinePlus · NIH

What are the health effects of smoking? There's no way around it; smoking is bad for your health. It harms nearly every organ of the body, even some that you would not expect. Cigarette smoking causes many cancers and other health problems. It is also the cause of nearly one in five deaths in the United States. Some of the many health problems that smoking can cause include: Cancers. Smoking is the most common cause…

Read more about Smoking 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 F17.21?
F17.21 is the ICD-10-CM code for "Nicotine dependence, cigarettes". It falls under F01-F99 Mental, Behavioral and Neurodevelopmental disorders.
Is F17.21 a billable code?
No — F17.21 is a non-billable header code. Use a more specific child code (such as F17.210) for billing.
What are the subcodes of F17.21?
F17.21 has 5 more specific child codes, including F17.210, F17.211, F17.213.

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

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