F07.9 Unspecified personality and behavioral disorder due to known physiological condition

The ICD-10-CM code for Unspecified personality and behavioral disorder due to known physiological condition is F07.9 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Chapter

5: Mental, Behavioral and Neurodevelopmental disorders (F01-F99)

Section

F01-F09: Mental disorders due to known physiological conditions (F01-F09)

Category F07

6 codes (4 billable)

FY2026 Status

Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to F07.9:

• Psychosyndrome, organic
• Disease, diseased › behavioral, organic
• Syndrome › psycho-organic (nonpsychotic severity)
• Disturbance (s) › personality (pattern) (trait) › following organic brain damage
• Disorder (of) › personality › following organic brain damage
• Disorder (of) › mental (or behavioral) (nonpsychotic) › following organic brain damage
• Disorder (of) › personality › organic

Inclusion Terms

• Organic psychosyndrome

U.S. Hospital Utilization

• An estimated 265 U.S. inpatient stays in 2023 included F07.9 among the documented diagnoses.

Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.

Official Coding Guidelines

Pain disorders related to psychological factors (TOC entry)

a. Pain disorders related to psychological factors ..................................................................... 43

Psychoactive substance use disorders (TOC entry)

b. Mental and behavioral disorders due to psychoactive substance use ................................... 43

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

• CMS — ICD-10-CM Official Code Set and Guidelines, FY2026
• CDC/NCHS — ICD-10-CM Files and Browser Tool
• AHRQ — HCUP National Inpatient Sample, Frequencies by Diagnosis Code (2016–2023)