2026 ICD-10-CM Diagnosis Code F07.0Personality change due to known physiological condition

ICD-10-CM CodesF01–F99F01-F09F07

ICD-10-CM F07.0
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

F07.0 is a billable ICD-10-CM diagnosis code for personality change due to known physiological condition. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 884. The code is not accepted as a principal diagnosis by the Medicare Code Editor. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Personality disorders.

Code Identity

ICD-10-CM Code
F07.0
Billable Status
Yes — Valid for Submission
Code Describes
Personality change due to known physiological condition
Short Description
Personality change due to known physiological condition
Same as the full description in the CMS dataset.
Parent Code
Personality and behavioral disorders due to known physiological condition

Code Classification

ChapterF01–F99Mental and behavioural disorders
SectionF01-F09Mental disorders due to known physiological conditions
CategoryF07Personality and behavioral disorders due to known physiological condition
This CodeF07.0Personality change due to known physiological condition

Code EditsBilling

Medicare Code Editor checks that affect claim validity for F07.0.

There are selected codes that describe a circumstance which influences an individual's health status but not a current illness or injury, or codes that are not specific manifestations but may be due to an underlying cause. These codes are considered unacceptable as a principal diagnosis.

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Frontal lobe syndrome
  • Lobotomy syndrome
  • Organic personality disorder
  • Organic pseudopsychopathic personality
  • Organic pseudoretarded personality
  • Personality change
  • Personality change due to organic disorder
  • Postleucotomy syndrome
  • Temporal lobectomy behavior syndrome

Tabular List NotesGuidance

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

Inclusion Terms

  • Frontal lobe syndrome
  • Limbic epilepsy personality syndrome
  • Lobotomy syndrome
  • Organic personality disorder
  • Organic pseudopsychopathic personality
  • Organic pseudoretarded personality
  • Postleucotomy syndrome

Type 1 Excludes

  • mild cognitive impairment G31.84
  • postconcussional syndrome F07.81
  • postencephalitic syndrome F07.89
  • signs and symptoms involving emotional state R45

Type 2 Excludes

  • specific personality disorder F60

Index to Diseases and InjuriesGuidance

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

Personality Disorders

Your personality is your own way of thinking, feeling, behaving, and relating to others. Once you become an adult, your personality usually doesn't change much.

The full article covers:

  • What is personality?
  • What are personality disorders?
  • What are the types of personality disorders?
  • What causes personality disorders?
  • What are the symptoms of personality disorders?
  • How are personality disorders diagnosed?
  • How are personality disorders treated?

Read the full article at MedlinePlus

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

Convert F07.0 to ICD-9-CMHistory

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

ICD-9-CM
310.0 Frontal lobe syndrome
Approximate The match is approximate rather than exact.
ICD-9-CM
310.1 Personality chg oth dis
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 F07.0Overview

What is the ICD-10 code for personality change due to known physiological condition?

The ICD-10-CM code for personality change due to known physiological condition is F07.0 (sometimes written as F070). It is billable on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

Is F07.0 a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report personality change due to known physiological condition on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does F07.0 group to?

On inpatient claims, personality change due to known physiological condition maps to MS-DRG 884 (organic Disturbances and Intellectual Disability), which carries a relative weight of 1.6089. Higher weights mean higher Medicare reimbursement.

Can F07.0 be a principal diagnosis?

No. The Medicare Code Editor rejects this code as a principal diagnosis because personality change due to known physiological condition describes a circumstance that influences health status rather than a current illness. Report it as a secondary diagnosis.

What is the ICD-9 equivalent of F07.0?

Under the General Equivalence Mappings, personality change due to known physiological condition converts to ICD-9-CM 310.0 (frontal lobe syndrome) and 310.1 (personality chg oth dis). The mapping is approximate, so confirm the match fits the documentation.