F03.918 Unspecified dementia, unspecified severity, with other behavioral disturbance

✓ Billable ICD-10-CM 2026
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The ICD-10-CM code for Unspecified dementia, unspecified severity, with other behavioral disturbance is F03.918 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Section
F01-F09: Mental disorders due to known physiological conditions (F01-F09)
Category F03
33 codes (24 billable)
FY2026 Status
Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to F03.918:

  • Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety) › with › behavioral disturbances (sexual disinhibition) (sleep disturbance) (social disinhibition)
  • Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety) › with › behavioral disturbances (sexual disinhibition) (sleep disturbance) (social disinhibition) › specified NEC
Use Additional Code
  • code, if applicable, to identify wandering in unspecified dementia (Z91.83)

Inclusion Terms

  • Unspecified dementia, unspecified severity, with behavioral disturbances such as sleep disturbance, social disinhibition, or sexual disinhibition

U.S. Hospital Utilization

  • An estimated 74,665 U.S. inpatient stays in 2023 included F03.918 among the documented diagnoses.
  • 10,090 stays listed it as the principal diagnosis.

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

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.5.a
Psychoactive substance use disorders (TOC entry)

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

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.5.b

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

References

Cite This Page

Reference F03.918 with the canonical source and edition:

F03.918 — Unspecified dementia, unspecified severity, with other behavioral disturbance. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/F03.918

Canonical URL: https://icd10codingpro.com/codes/F03.918

Related Codes

Parent Code

F03 Unspecified dementia

Related Codes in F03

F03 Unspecified dementia F03.9 Unspecified dementia, unspecified severity F03.90 Unspecified dementia, unspecified severity, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety F03.91 Unspecified dementia, unspecified severity, with behavioral disturbance F03.911 Unspecified dementia, unspecified severity, with agitation F03.92 Unspecified dementia, unspecified severity, with psychotic disturbance F03.93 Unspecified dementia, unspecified severity, with mood disturbance F03.94 Unspecified dementia, unspecified severity, with anxiety F03.A Unspecified dementia, mild F03.A0 Unspecified dementia, mild, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety F03.A1 Unspecified dementia, mild, with behavioral disturbance F03.A11 Unspecified dementia, mild, with agitation F03.A18 Unspecified dementia, mild, with other behavioral disturbance F03.A2 Unspecified dementia, mild, with psychotic disturbance F03.A3 Unspecified dementia, mild, with mood disturbance F03.A4 Unspecified dementia, mild, with anxiety F03.B Unspecified dementia, moderate F03.B0 Unspecified dementia, moderate, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety F03.B1 Unspecified dementia, moderate, with behavioral disturbance F03.B11 Unspecified dementia, moderate, with agitation
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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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