2026 ICD-10-CM Diagnosis Code F18.250Inhalant dependence with inhalant-induced psychotic disorder with delusions

ICD-10-CM CodesF01–F99F10-F19F18

ICD-10-CM F18.250
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

F18.250 is a billable ICD-10-CM diagnosis code for inhalant dependence with inhalant-induced psychotic disorder with delusions. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 894 through 897. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Inhalant-related disorders and Schizophrenia spectrum and other psychotic disorders.

Code Identity

ICD-10-CM Code
F18.250
Billable Status
Yes — Valid for Submission
Code Describes
Inhalant dependence with inhalant-induced psychotic disorder with delusions
Short Description
Inhalant depend w inhalnt-induce psych disorder w delusions
Parent Code
Inhalant dependence with inhalant-induced psychotic disorder

Code Classification

ChapterF01–F99Mental and behavioural disorders
SectionF10-F19Mental and behavioral disorders due to psychoactive substance use
CategoryF18Inhalant related disorders
This CodeF18.250Inhalant dependence with inhalant-induced psychotic disorder with delusions

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • Dependence(on) (syndrome)
      • drug NEC
        • inhalant
          • with
            • psychosis
              • delusions

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR MBD023
Inhalant-related disorders
Default principal diagnosis: inpatient Yes · outpatient Yes
CCSR MBD001
Schizophrenia spectrum and other psychotic disorders
Default principal diagnosis: inpatient No · outpatient No

Patient EducationClinical

Inhalants

Inhalants are substances that people inhale (breathe in) to get high. There are other substances that people might inhale, such as alcohol. But those are not called inhalants, because they can also be used another way. Inhalants are the substances that you can misuse only by inhaling them.

The full article covers:

  • What are inhalants?
  • What are the types of inhalants?
  • How do people use inhalants?
  • Who uses inhalants?
  • What are the signs that someone is using inhalants?
  • What are the health effects of using inhalants?
  • Are inhalants addictive?
  • Can inhalant misuse be prevented?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert F18.250 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
292.11 Drug psych disor w delus
ApproximateCombination The match is approximate, and more than one code can be needed to describe the source diagnosis. Confirm with contextual judgment.
ICD-9-CM
304.60 Drug depend NEC-unspec
ApproximateCombination The match is approximate, and more than one code can be needed to describe the source diagnosis. Confirm with contextual judgment.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About F18.250Overview

Is F18.250 (Inhalant dependence with inhalant-induced psychotic disorder) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report inhalant dependence with inhalant-induced psychotic disorder with delusions on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does F18.250 group to?

When inhalant dependence with inhalant-induced psychotic disorder with delusions is the principal diagnosis on an inpatient stay, it groups to MS-DRG 894, 895, 896, 897, with relative weights from 0.6169 to 1.7451 depending on complications. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of F18.250?

Under the General Equivalence Mappings, inhalant dependence with inhalant-induced psychotic disorder with delusions converts to ICD-9-CM 292.11 (drug psych disor w delus) and 304.60 (drug depend NEC-unspec). The mapping is approximate, so confirm the match fits the documentation.

Footnotes

[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:

  • The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
  • The condition places limitations on self-care, independent living, and social interactions.