ICD-10 Code F18.20 – Inhalant dependence, uncomplicated (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code F18.20 – Inhalant dependence, uncomplicated
What it is
F18.20 identifies inhalant dependence without a stated complication. Use it when the record shows a dependent pattern involving inhaled substances, and no related intoxication, withdrawal, or other complication is documented.
Clinical signs
Clinical features vary; refer to documentation. Commonly, dependence is reflected by compulsive use, difficulty cutting down, and continued use despite harm. Diagnostic details should support a substance dependence diagnosis.
When to use this code
Use this code when the provider documents inhalant dependence and specifically notes it is uncomplicated. It fits encounters focused on ongoing dependence without a separate diagnosis for intoxication, withdrawal, or another inhalant-related disorder. Check documentation if the record is vague.
Do not use for
Do not use F18.20 for inhalant abuse, intoxication, or withdrawal. If the chart describes another inhalant-related condition or does not clearly state dependence, select the code that matches the documented diagnosis.
Coding tip
Assign F18.20 only when the provider clearly documents dependence and no complication is identified.