2027 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 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

F11.10 is a billable ICD-10-CM diagnosis code for opioid abuse, uncomplicated. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 894 through 897. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Opioid-related disorders.

For Medicare Advantage risk adjustment, F11.10 maps to CMS-HCC Category 138 (Drug Use Disorder, Mild, Uncomplicated, Except Cannabis) under the V28 model, adding a risk factor of about 0.423 for a community, non-dual, aged beneficiary in payment year 2027.

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
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

Medicare Risk Adjustment (HCC)Billing

F11.10 maps to a payment category in the CMS-HCC model used to risk-adjust Medicare Advantage payments. Weights are the published community factors for payment year 2027.

CMS-HCC V28 Category (Payment Model)
HCC 138— Drug Use Disorder, Mild, Uncomplicated, Except Cannabis
Payment HCC · PY 2027 one of 14 ICD-10-CM codes in this category
Risk Adjustment Factor (RAF) Weight
+0.423
community, non-dual, aged · ranges 0.264–0.502 across segments
Hierarchy
Superseded by HCC 135, HCC 136, and HCC 137
a more severe related category takes the payment when both are reported
Prior Model (CMS-HCC V24)
HCC 56
V24 retired V28 pays 100% of MA risk scores since PY 2026
Other CMS Models
ESRD (V24): HCC 56
ESRD V24 weights: 0.111 dialysis, 0.169–0.416 functioning graft
Part D (RxHCC)
Not mapped
F11.10 does not risk-adjust in the RxHCC prescription drug model

Source: CMS Payment Year 2027 risk adjustment mappings and model software. Weights are relative factors, not dollar amounts; a beneficiary's total RAF also includes demographics and interactions. Browse all CMS-HCC categories.

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

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to F11.10: its own notes plus those printed at F11.1 and Chapter 5. A note printed at a category, block or chapter applies to every code under it.

Includes

Further defines, or gives examples of, the content of the category.

From Chapter 5 (F01-F99) Mental and behavioural disorders applies to 872 codes
  • disorders of psychological development

Applicable To

Conditions this code is used for: synonyms of the title or, for "other specified" codes, the conditions assigned to it. The list is not exhaustive.

  • Opioid use disorder, mild

Excludes1

Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.

From F11.1 Opioid abuse applies to 15 codes

Excludes2

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

From Chapter 5 (F01-F99) Mental and behavioural disorders applies to 872 codes
  • symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name F11.10, its category, or a range that includes it.

Excludes1 2

These codes carry an Excludes1 note naming F11.10: they are not reported together with it, unless the two conditions are unrelated.

  • F11.2 Opioid dependence
    opioid abuse (F11.1-) names F11.1-, which includes this code
  • F11.9 Opioid use, unspecified
    opioid abuse (F11.1-) names F11.1-, which includes this code

Use Additional Code 1

These codes say to use an additional code from the note, and F11.10 is one of the codes named.

  • K85.3 Drug induced acute pancreatitis
    code to identify drug abuse and dependence (F11.-F17.-) names F11, which includes this code

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

Clinical ClassificationClinical

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

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

Clinical InformationClinical

  • Opioid-Related Disorders

    disorders related to or resulting from abuse or misuse of opioids.

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 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About F11.10Overview

What is the ICD-10 code for opioid abuse, uncomplicated?

The ICD-10-CM code for opioid abuse, uncomplicated is F11.10 (sometimes written as F1110). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

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, 2026 through September 30, 2027.

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, 897, 895, 896, with relative weights from 0.6272 to 1.6610 depending on complications. Higher weights mean higher Medicare reimbursement.

Can F11.10 be reported with a code from F11.2?

Not as a rule. The Excludes1 note at F11.1, which applies to F11.10, lists "opioid dependence (F11.2-)". An Excludes1 note means the excluded code is never reported together with this one; the only exception is when the two conditions are unrelated to each other (Official Guidelines, Section I.A.12.a).

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.

What HCC is F11.10?

F11.10 (opioid abuse, uncomplicated) maps to CMS-HCC Category 138 (Drug Use Disorder, Mild, Uncomplicated, Except Cannabis), commonly written as HCC 138, in the CMS-HCC V28 model used for Medicare Advantage risk adjustment in payment year 2027. It mapped to HCC 56 under the retired V24 model. It also maps in the ESRD (V24) model. It does not map to any RxHCC in the Part D prescription drug model.

Does F11.10 risk-adjust for Medicare Advantage payment?

Yes. When documented and reported on a Medicare Advantage encounter, F11.10 adds a risk adjustment factor of about 0.423 to the beneficiary's RAF score for a community, non-dual, aged enrollee (published V28 weights range from 0.264 to 0.502 depending on the payment segment). A more severe related category (HCC 135, HCC 136, and HCC 137) supersedes it when both are reported. See the full factor table on the HCC 138 category page.