Inhalant Intoxication

Diagnostic Criteria

A. Recent intended or unintended short-term, high-dose exposure to inhalant substances, including volatile hydrocarbons such as toluene or gasoline.

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B. Clinically significant problematic behavioral or psychological changes (e.g., belligerence, assaultiveness, apathy, impaired judgment) that developed during, or shortly after, exposure to inhalants.

C. Two (or more) of the following signs or symptoms developing during, or shortly after, inhalant use or exposure:


1. Dizziness.

2. Nystagmus.

3. Incoordination.

4. Slurred speech.

5. Unsteady gait.

6. Lethargy.

7. Depressed reflexes.

8. Psychomotor retardation.

9. Tremor.

10. Generalized muscle weakness.

11. Blurred vision or diplopia.

12. Stupor or coma.

13. Euphoria.

D. The signs or symptoms are not attributable to another medical condition and are not better explained by another mental disorder, including intoxication with another substance.

Coding note: The ICD-10-CM code depends on whether there is a comorbid inhalant use disorder. If a mild inhalant use disorder is comorbid, the ICD-10-CM code is  F18.120, and if a moderate or severe inhalant use disorder is comorbid, the ICD-10-CM code is  F18.220. If there is no comorbid inhalant use disorder, then the ICD-10-CM code is  F18.920.