2026 ICD-10-CM Diagnosis Code F12.20Cannabis dependence, uncomplicated

ICD-10-CM Codes›F01–F99›F10-F19›F12

ICD-10-CM F12.20
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

F12.20 is a billable ICD-10-CM diagnosis code for cannabis dependence, uncomplicated. 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. Coders also document this condition as cannabis dependence. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Cannabis-related disorders.

Code Identity

ICD-10-CM Code
F12.20
Billable Status
Yes — Valid for Submission
Code Describes
Cannabis dependence, uncomplicated
Short Description
Cannabis dependence, uncomplicated
Same as the full description in the CMS dataset.
Parent Code
F12.2
Cannabis dependence

Code Classification

ChapterF01–F99Mental and behavioural disorders
SectionF10-F19Mental and behavioral disorders due to psychoactive substance use
CategoryF12Cannabis related disorders
This CodeF12.20Cannabis dependence, uncomplicated

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Cannabis dependence
  • Cannabis dependence, continuous
  • Cannabis dependence, episodic
  • Cannabis use disorder
  • Hallucinogen dependence, continuous
  • Hallucinogen dependence, episodic
  • Synthetic cannabinoid dependence
  • Synthetic cannabinoid use disorder

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Inclusion Terms

  • Cannabis use disorder, moderate
  • Cannabis use disorder, severe

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
        • cannabis
    • Disorder(of)
      • cannabis use
        • moderate or severe

Clinical ClassificationClinical

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

CCSR MBD019
Cannabis-related disorders
Default principal diagnosis: inpatient Yes · outpatient Yes

Clinical InformationClinical

  • Cannabis Dependence

    physical and psychological dependence on the drug cannabis.

  • Cannabis Dependence with Cannabis-Induced Anxiety Disorder|Cannabis dependence with cannabis-induced anxiety disorder

    evidence of cannabis dependence with cannabis-induced anxiety disorder.

  • Cannabis Dependence with Intoxication Delirium|Cannabis dependence with intoxication delirium

    evidence of cannabis dependence with intoxication delirium.

  • Cannabis Dependence with Intoxication with Perceptual Disturbance|Cannabis dependence with intoxication with perceptual disturbance

    evidence of cannabis dependence with intoxication with perceptual disturbance.

  • Cannabis Dependence with Intoxication, Uncomplicated|Cannabis dependence with intoxication, uncomplicated

    evidence of cannabis dependence with intoxication, uncomplicated.

  • Cannabis Dependence with Intoxication, Unspecified|Cannabis dependence with intoxication, unspecified

    evidence of cannabis dependence with intoxication.

  • Cannabis Dependence with Other Cannabis-Induced Disorder|Cannabis dependence with other cannabis-induced disorder

    evidence of cannabis dependence with other cannabis-induced disorder.

  • Cannabis Dependence with Psychotic Disorder with Delusions|Cannabis dependence with psychotic disorder with delusions

    evidence of cannabis dependence with psychotic disorder with delusions.

  • Cannabis Dependence with Psychotic Disorder with Hallucinations|Cannabis dependence with psychotic disorder with hallucinations

    evidence of cannabis dependence with psychotic disorder with hallucinations.

  • Cannabis Dependence with Psychotic Disorder, Unspecified|Cannabis dependence with psychotic disorder, unspecified

    evidence of cannabis dependence with psychotic disorder.

  • Cannabis Dependence with Unspecified Cannabis-Induced Disorder|Cannabis dependence with unspecified cannabis-induced disorder

    evidence of cannabis dependence with unspecified cannabis-induced disorder.

  • Cannabis Dependence with Withdrawal|Cannabis dependence with withdrawal

    evidence of cannabis dependence with withdrawal.

  • Cannabis Dependence, Continuous Use

    physical and psychological dependence on the drug cannabis, which is associated with a pattern of continuous use.

  • Cannabis Dependence, Episodic Use

    physical and psychological dependence on the drug cannabis, which is associated with a pattern of episodic use.

  • Cannabis Dependence, in Remission|Cannabis dependence, in remission

    evidence of cannabis dependence, in remission.

  • Cannabis Dependence, Uncomplicated|Cannabis dependence, uncomplicated

    evidence of cannabis dependence, uncomplicated.

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 F12.20 to ICD-9-CMHistory

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

ICD-9-CM
304.30 Cannabis depend-unspec
Approximate The match is approximate rather than exact.
ICD-9-CM
304.31 Cannabis depend-contin
Approximate The match is approximate rather than exact.
ICD-9-CM
304.32 Cannabis depend-episodic
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 F12.20Overview

Is F12.20 (Cannabis dependence) a billable code?

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

What MS-DRG does F12.20 group to?

When cannabis dependence, uncomplicated 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 F12.20?

Under the General Equivalence Mappings, cannabis dependence, uncomplicated converts to ICD-9-CM 304.30 (cannabis depend-unspec), 304.31 (cannabis depend-contin), and 304.32 (cannabis depend-episodic). 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.