2026 ICD-10-CM Diagnosis Code F69Unspecified disorder of adult personality and behavior

ICD-10-CM Codes›F01–F99›F60-F69›F69

ICD-10-CM F69
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

F69 is a billable ICD-10-CM diagnosis code for unspecified disorder of adult personality and behavior. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 883. The code is restricted by the Medicare Code Editor to adult patients (age 15 through 124). Coders also document this condition as change in personality. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Personality disorders.

Code Identity

ICD-10-CM Code
F69
Billable Status
Yes — Valid for Submission
Code Describes
Unspecified disorder of adult personality and behavior
Short Description
Unspecified disorder of adult personality and behavior
Same as the full description in the CMS dataset.
Chapter
F60-F69
Disorders of adult personality and behavior

Code Classification

ChapterF01–F99Mental and behavioural disorders
SectionF60-F69Disorders of adult personality and behavior
CategoryF69Unspecified disorder of adult personality and behavior
This CodeF69Unspecified disorder of adult personality and behavior

Code EditsBilling

Medicare Code Editor checks that affect claim validity for F69.

Adult diagnoses
The Medicare Code Editor detects inconsistencies in adult cases by checking a patient's age and any diagnosis on the patient's record. The adult code edits apply to patients age range is 15–124 years inclusive (e.g., senile delirium, mature cataract).

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Change in personality
  • PHIP-related behavioral problems, intellectual disability, obesity, dysmorphic features syndrome

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 MBD009
Personality 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 F69 to ICD-9-CMHistory

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

ICD-9-CM
301.9 Personality disorder NOS
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 F69Overview

What is the ICD-10 code for unspecified disorder of adult personality and behavior?

The ICD-10-CM code for unspecified disorder of adult personality and behavior is F69. It is billable on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

Is F69 (Unspecified disorder of adult personality and behavior) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report unspecified disorder of adult personality and behavior on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does F69 group to?

When unspecified disorder of adult personality and behavior 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 1.9663. Higher weights mean higher Medicare reimbursement.

Who can F69 be reported for?

The Medicare Code Editor checks unspecified disorder of adult personality and behavior against patient demographics: this code is intended for adult patients (age 15 through 124). Claims outside these limits are flagged as inconsistent.

What is the ICD-9 equivalent of F69?

Under the General Equivalence Mappings, unspecified disorder of adult personality and behavior converts to ICD-9-CM 301.9 (personality disorder NOS). The mapping is approximate, so confirm the match fits the documentation.