2026 ICD-10-CM Diagnosis Code F11.10Opioid abuse, uncomplicated

ICD-10-CM Codes›F01–F99›F10-F19›F11

ICD-10-CM F11.10
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

F11.10 is a billable ICD-10-CM diagnosis code for opioid 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 Opioid-related disorders.

Code Identity

ICD-10-CM Code
F11.10
Billable Status
Yes — Valid for Submission
Code Describes
Opioid abuse, uncomplicated
Short Description
Opioid abuse, uncomplicated
Same as the full description in the CMS dataset.
Parent Code
F11.1
Opioid abuse

Code Classification

ChapterF01–F99Mental and behavioural disorders
SectionF10-F19Mental and behavioral disorders due to psychoactive substance use
CategoryF11Opioid related disorders
This CodeF11.10Opioid abuse, uncomplicated

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Continuous nondependent harmful pattern of use of opioid
  • Episode of harmful use of diamorphine
  • Episode of harmful use of intravenous heroin
  • Episode of harmful use of opioid
  • Episodic nondependent harmful pattern of use of opioid
  • Harmful pattern of use of heroin
  • Harmful pattern of use of intravenous heroin
  • Harmful pattern of use of opioid
  • Injecting drug user
  • Intravenous drug user
  • Intravenous nondependent harmful pattern of use of opioid
  • Methadone misuse
  • Narcotic drug user
  • Nondependent harmful pattern of use of opioid
  • Nondependent harmful pattern of use of opioid in remission
  • Opiate misuse

Tabular List NotesGuidance

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

Inclusion Terms

  • Opioid 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)
        • opioid
    • Disorder(of)
      • opioid use
        • mild

Clinical ClassificationClinical

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

CCSR MBD018
Opioid-related disorders
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Opioids and Opioid Use Disorder (OUD)

Opioids, sometimes called narcotics, are a type of drug. They include strong prescription pain relievers such as oxycodone, hydrocodone, fentanyl, and tramadol. The illegal drug heroin is also an opioid. Some opioids are made from the opium plant, and others are synthetic (man-made).

The full article covers:

  • What are opioids?
  • What are the side effects and risks of opioids?
  • What is opioid use disorder (OUD)?
  • How are opioid use disorder (OUD) and opioid overdose treated?
  • How can I prevent problems when taking prescription opioids?

Read the full article at MedlinePlus

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

Convert F11.10 to ICD-9-CMHistory

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

ICD-9-CM
305.50 Opioid abuse-unspec
Approximate The match is approximate rather than exact.
ICD-9-CM
305.51 Opioid abuse-continuous
Approximate The match is approximate rather than exact.
ICD-9-CM
305.52 Opioid 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 F11.10Overview

Is F11.10 (Opioid abuse) a billable code?

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

What MS-DRG does F11.10 group to?

When opioid 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 F11.10?

Under the General Equivalence Mappings, opioid abuse, uncomplicated converts to ICD-9-CM 305.50 (opioid abuse-unspec), 305.51 (opioid abuse-continuous), and 305.52 (opioid 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.