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

ICD-10-CM Codes›F01–F99›F10-F19›F12

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

F12.10 is a billable ICD-10-CM diagnosis code for cannabis abuse, 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. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Cannabis-related disorders.

Code Identity

ICD-10-CM Code
F12.10
Billable Status
Yes — Valid for Submission
Code Describes
Cannabis abuse, uncomplicated
Short Description
Cannabis abuse, uncomplicated
Same as the full description in the CMS dataset.
Parent Code
F12.1
Cannabis abuse

Code Classification

ChapterF01–F99Mental and behavioural disorders
SectionF10-F19Mental and behavioral disorders due to psychoactive substance use
CategoryF12Cannabis related disorders
This CodeF12.10Cannabis abuse, uncomplicated

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Cannabis misuse
  • Cannabis use disorder
  • Continuous nondependent harmful pattern of use of cannabis
  • Continuous nondependent harmful pattern of use of hallucinogen
  • Episode of harmful use of cannabis
  • Episode of harmful use of hallucinogen
  • Episode of harmful use of synthetic cannabinoid
  • Episodic nondependent harmful pattern of use of cannabis
  • Episodic nondependent harmful pattern of use of hallucinogen
  • Harmful pattern of use of Cannabis
  • Harmful pattern of use of synthetic cannabinoid
  • Long-term current use of cannabis
  • Nondependent harmful pattern of use of cannabis
  • Nondependent harmful pattern of use of cannabis in remission
  • Nondependent harmful pattern of use of hallucinogen
  • Nondependent harmful pattern of use of hallucinogen in remission
  • Synthetic cannabinoid use disorder

Tabular List NotesGuidance

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

Inclusion Terms

  • Cannabis use disorder, mild

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
    • Disorder(of)
      • cannabis use
        • mild

Clinical ClassificationClinical

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

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

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 F12.10 to ICD-9-CMHistory

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

ICD-9-CM
305.20 Cannabis abuse-unspec
Approximate The match is approximate rather than exact.
ICD-9-CM
305.21 Cannabis abuse-contin
Approximate The match is approximate rather than exact.
ICD-9-CM
305.22 Cannabis abuse-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 F12.10Overview

Is F12.10 (Cannabis abuse) a billable code?

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

What MS-DRG does F12.10 group to?

When cannabis abuse, 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 F12.10?

Under the General Equivalence Mappings, cannabis abuse, uncomplicated converts to ICD-9-CM 305.20 (cannabis abuse-unspec), 305.21 (cannabis abuse-contin), and 305.22 (cannabis abuse-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.