2027 ICD-10-CM Diagnosis Code F63.89Other impulse disorders

ICD-10-CM Codes›F01–F99›F60-F69›F63

ICD-10-CM F63.89
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

F63.89 is a billable ICD-10-CM diagnosis code for other impulse disorders. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 883. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Disruptive, impulse-control and conduct disorders.

F63.89 does not risk-adjust for Medicare Advantage under the CMS-HCC V28 model. It still risk-adjusts in the RxHCC Part D (V08) category 133 for payment year 2027.

Code Identity

ICD-10-CM Code
F63.89
Billable Status
Yes — Valid for Submission
Code Describes
Other impulse disorders
Short Description
Other impulse disorders
Same as the full description in the CMS dataset.
Parent Code
F63.8
Other impulse disorders

Code Classification

ChapterF01–F99Mental and behavioural disorders
SectionF60-F69Disorders of adult personality and behavior
CategoryF63Impulse disorders
This CodeF63.89Other impulse disorders

Medicare Risk Adjustment (HCC)Billing

F63.89 does not risk-adjust for Medicare Advantage under the CMS-HCC V28 model, but it maps to payment categories in the other CMS models shown below.

CMS-HCC V28 (Medicare Advantage Payment Model)
Not mapped
no payment category in the model that pays 100% of MA risk scores
Prior Model (CMS-HCC V24)
Not mapped under V24
this diagnosis newly risk-adjusts under the V28 model
Part D (RxHCC)
RxHCC 133 — Anxiety and Other Psychiatric Disorders
also risk-adjusts in the Part D prescription drug model (V08)

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.

  • Biting self
  • Body-focused repetitive behavior disorder
  • Compulsive knuckle-biting behavior
  • Compulsive self-biting behavior
  • Dysgraphia
  • Excessive thirst
  • Gaming disorder
  • Gaming disorder predominantly offline
  • Gaming disorder predominantly online
  • Habitual hand biting
  • Palingraphia
  • Palinphrasia
  • Primary polydipsia
  • Psychogenic polydipsia
  • Trichoteiromania
  • Trichotemnomania

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to F63.89: its own notes plus those printed at F63 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

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 F63 Impulse disorders applies to 7 codes
  • habitual excessive use of alcohol or psychoactive substances (F10-F19)
  • impulse disorders involving sexual behavior (F65.-)
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.

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 MBD008
Disruptive, impulse-control and conduct disorders
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Mental Disorders

Mental disorders (or mental illnesses) are conditions that affect your thinking, feeling, mood, and behavior. They may happen over a short period of time or come and go. Some can be chronic (long-lasting). They can affect your ability to relate to others and function each day..

The full article covers:

  • What are mental disorders?
  • What are some types of mental disorders?
  • What causes mental disorders?
  • Who is at risk for mental disorders?
  • How are mental disorders diagnosed?
  • What are the treatments for mental disorders?

Read the full article at MedlinePlus

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

Convert F63.89 to ICD-9-CMHistory

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

ICD-9-CM
312.39 Impulse control dis 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 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About F63.89Overview

What is the ICD-10 code for other impulse disorders?

The ICD-10-CM code for other impulse disorders is F63.89 (sometimes written as F6389). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is F63.89 (Other impulse disorders) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report other impulse disorders on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What MS-DRG does F63.89 group to?

When other impulse disorders is the principal diagnosis on an inpatient stay, it groups to MS-DRG 883 (disorders of Personality and Impulse Control), which carries a relative weight of 1.7398. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of F63.89?

Under the General Equivalence Mappings, other impulse disorders converts to ICD-9-CM 312.39 (impulse control dis NEC). The mapping is approximate, so confirm the match fits the documentation.

Does F63.89 risk-adjust for Medicare Advantage payment?

Not for Medicare Advantage: F63.89 maps to no category in the CMS-HCC V28 model. It still risk-adjusts in the RxHCC Part D (V08) category 133 (Anxiety and Other Psychiatric Disorders).