2026 ICD-10-CM Diagnosis Code F68.8Other specified disorders of adult personality and behavior
ICD-10-CM Codes›F01–F99›F60-F69›F68
- Billable — Valid for Submission
- Not Chronic
F68.8 is a billable ICD-10-CM diagnosis code for other specified disorders of adult personality and behavior. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Personality disorders.
Code Identity
Code Classification
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Amok
- Dangerous fantasy
- Dangerous plans
- Fantasizing
- Maladaptive personality trait
- Manipulative personality
- Masochistic personality trait
- Non-organic enduring personality change
- Personality change
- Personality trait typical of long term functioning
- Rape fantasy
- Thoughts of arson
- Thoughts of physical assault
- Thoughts of revenge
- Thoughts of violence
- Use of imagination - finding
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
- Amok - F68.8
- Change (s) (in) (of) - See Also: Removal;
- personality (enduring) - F68.8
- Disorder (of) - See Also: Disease;
- adult personality (and behavior) - F69
- specified NEC - F68.8
- relationship - F68.8
- Syndrome - See Also: Disease;
- chronic
- personality - F68.8
External Cause of Injuries IndexGuidance
References for this code in the External Cause of Injuries Index.
- Amok
- Change(s) (in) (of)
- personality (enduring)
- Disorder(of)
- adult personality (and behavior)
- specified NEC
- Disorder(of)
- relationship
- Syndrome
- chronic
- pain
- personality
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
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 F68.8 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About F68.8Overview
Is F68.8 (Other disorders of adult personality and behavior) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report other specified disorders of adult personality and behavior on HIPAA-covered claims from October 1, 2025 through September 30, 2026.
What is the ICD-9 equivalent of F68.8?
Under the General Equivalence Mappings, other specified disorders of adult personality and behavior converts to ICD-9-CM 300.19 (factitious ill NEC/NOS). The mapping is approximate, so confirm the match fits the documentation.
Footnotes
[1] Not chronic - A diagnosis code that does not fit the criteria for chronic condition (duration, ongoing medical treatment, and limitations) is considered not chronic. Some codes designated as not chronic are acute conditions. Other diagnosis codes that indicate a possible chronic condition, but for which the duration of the illness is not specified in the code description (i.e., we do not know the condition has lasted 12 months or longer) also are considered not chronic.
