2026 ICD-10-CM Diagnosis Code F12.159Cannabis abuse with psychotic disorder, unspecified

ICD-10-CM Codes›F01–F99›F10-F19›F12

ICD-10-CM F12.159
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

F12.159 is a billable ICD-10-CM diagnosis code for cannabis abuse with psychotic disorder, unspecified. 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 Cannabis-related disorders and Schizophrenia spectrum and other psychotic disorders.

Code Identity

ICD-10-CM Code
F12.159
Billable Status
Yes — Valid for Submission
Code Describes
Cannabis abuse with psychotic disorder, unspecified
Short Description
Cannabis abuse with psychotic disorder, unspecified
Same as the full description in the CMS dataset.
Parent Code
F12.15
Cannabis abuse with psychotic disorder

Code Classification

ChapterF01–F99Mental and behavioural disorders
SectionF10-F19Mental and behavioral disorders due to psychoactive substance use
CategoryF12Cannabis related disorders
This CodeF12.159Cannabis abuse with psychotic disorder, unspecified

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.

    • Abuse
      • drug NEC (non-dependent)
        • cannabis
          • with
            • psychosis
    • Disorder(of)
      • cannabis use
        • mild
          • with
            • cannabis-induced
              • psychotic disorder

Clinical ClassificationClinical

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

CCSR MBD019
Cannabis-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

Marijuana

Marijuana is a green, brown, or gray mix of dried, crumbled parts from the marijuana plant. The plant contains chemicals which act on your brain and can change your mood or consciousness.

The full article covers:

  • What is marijuana?
  • How do people use marijuana?
  • What are the effects of marijuana?
  • Can you overdose on marijuana?
  • Is marijuana addictive?
  • What is medical marijuana?

Read the full article at MedlinePlus

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

Convert F12.159 to ICD-9-CMHistory

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

ICD-9-CM
292.89 Drug mental disorder NEC
Approximate The match is approximate rather than exact.

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 F12.159Overview

Is F12.159 (Cannabis abuse with psychotic disorder) a billable code?

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

What MS-DRG does F12.159 group to?

When cannabis abuse with psychotic disorder, unspecified 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 F12.159?

Under the General Equivalence Mappings, cannabis abuse with psychotic disorder, unspecified converts to ICD-9-CM 292.89 (drug mental disorder NEC). 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.