2026 ICD-10-CM Diagnosis Code F18.280Inhalant dependence with inhalant-induced anxiety disorder

ICD-10-CM Codes›F01–F99›F10-F19›F18

ICD-10-CM F18.280
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

F18.280 is a billable ICD-10-CM diagnosis code for inhalant dependence with inhalant-induced anxiety disorder. 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 Anxiety and fear-related disorders and Inhalant-related disorders.

Code Identity

ICD-10-CM Code
F18.280
Billable Status
Yes — Valid for Submission
Code Describes
Inhalant dependence with inhalant-induced anxiety disorder
Short Description
Inhalant dependence with inhalant-induced anxiety disorder
Same as the full description in the CMS dataset.
Parent Code
F18.28
Inhalant dependence with other inhalant-induced disorders

Code Classification

ChapterF01–F99Mental and behavioural disorders
SectionF10-F19Mental and behavioral disorders due to psychoactive substance use
CategoryF18Inhalant related disorders
This CodeF18.280Inhalant dependence with inhalant-induced anxiety disorder

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
            • anxiety disorder
    • Disorder(of)
      • anxiety
        • due to (secondary to)
          • inhalant
            • in
              • dependence
    • Disorder(of)
      • anxiety
        • due to (secondary to)
          • volatile solvents
            • in
              • dependence
    • Disorder(of)
      • inhalant use
        • moderate or severe
          • with
            • inhalant-induced
              • anxiety disorder

Clinical ClassificationClinical

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

CCSR MBD005
Anxiety and fear-related disorders
Default principal diagnosis: inpatient No · outpatient No
CCSR MBD023
Inhalant-related disorders
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Anxiety

Anxiety is a feeling of fear, dread, and uneasiness. It might cause you to sweat, feel restless and tense, and have a rapid heartbeat. It can be a normal reaction to stress. For example, you might feel anxious when faced with a difficult problem at work, before taking a test, or before making an important decision.

The full article covers:

  • What is anxiety?
  • What are anxiety disorders?
  • What are the types of anxiety disorders?
  • What causes anxiety disorders?
  • Who is at risk for anxiety disorders?
  • What are the symptoms of anxiety disorders?
  • How are anxiety disorders diagnosed?
  • What are the treatments for anxiety disorders?

Read the full article at MedlinePlus

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

Convert F18.280 to ICD-9-CMHistory

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

ICD-9-CM
292.89 Drug mental disorder NEC
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 F18.280Overview

Is F18.280 (Inhalant dependence with other inhalant-induced disorders) a billable code?

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

What MS-DRG does F18.280 group to?

When inhalant dependence with inhalant-induced anxiety disorder 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 F18.280?

Under the General Equivalence Mappings, inhalant dependence with inhalant-induced anxiety disorder converts to ICD-9-CM 292.89 (drug mental disorder NEC) 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.