F18.959
✓ BillableInhalant use, unspecified with inhalant-induced psychotic disorder, unspecified
Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
❌ Excludes1
inheritedRules inherited from parent codes in the hierarchy.
- • inhalant abuse (F18.1-)
- • inhalant dependence (F18.2-)
Clinical Description
ICD-10-CM code F18.959 represents inhalant use, unspecified with inhalant-induced psychotic disorder, unspecified. This code falls under the Mental, Behavioral and Neurodevelopmental disorders (F01-F99) classification. It is a billable/specific code valid for HIPAA-covered transactions as of October 1, 2025 (FY2026). This code can be used to indicate a diagnosis for reimbursement purposes on insurance claims.
This is a 7-character code at the 6th level of specificity. This is the most specific code available in this subcategory. Coders should note that F18.959 has 2 Excludes1 restriction(s) — codes that cannot be reported together on the same claim.
Frequently Asked Questions
What is ICD-10 code F18.959?
ICD-10-CM code F18.959 is "Inhalant use, unspecified with inhalant-induced psychotic disorder, unspecified". It belongs to the category: Mental, Behavioral and Neurodevelopmental disorders (F01-F99).
Is F18.959 a billable ICD-10 code?
Yes, F18.959 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
What codes are excluded with F18.959?
F18.959 has 2 Excludes1 rule(s). These codes are mutually exclusive and cannot be coded together on the same claim.
Related Codes in F18.95
Other codes in the same category that may be relevant for differential coding:
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Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)