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ICD-10-CM category F03: Unspecified dementia

Category F03 is a heading in chapter 5 (Mental, Behavioral and Neurodevelopmental disorders (F01-F99)), section Mental disorders due to known physiological conditions (F01-F09). It is not billable; report one of the 24 complete codes below.

Notes that apply to every F03 code

Inclusion terms
  • Major neurocognitive disorder NOS
  • Presenile dementia NOS
  • Presenile psychosis NOS
  • Primary degenerative dementia NOS
  • Senile dementia NOS
  • Senile dementia depressed or paranoid type
  • Senile psychosis NOS
Excludes2 (not part of this condition, may be coded together)
  • dementia with delirium or acute confusional state (F05)
  • mild memory disturbance due to known physiological condition (F06.8)

Billable codes in F03

Billable FY2027 ICD-10-CM codes in category F03
CodeDescription
F03.90Unspecified dementia, unspecified severity, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety
F03.911Unspecified dementia, unspecified severity, with agitation
F03.918Unspecified dementia, unspecified severity, with other behavioral disturbance
F03.92Unspecified dementia, unspecified severity, with psychotic disturbance
F03.93Unspecified dementia, unspecified severity, with mood disturbance
F03.94Unspecified dementia, unspecified severity, with anxiety
F03.A0Unspecified dementia, mild, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety
F03.A11Unspecified dementia, mild, with agitation
F03.A18Unspecified dementia, mild, with other behavioral disturbance
F03.A2Unspecified dementia, mild, with psychotic disturbance
F03.A3Unspecified dementia, mild, with mood disturbance
F03.A4Unspecified dementia, mild, with anxiety
F03.B0Unspecified dementia, moderate, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety
F03.B11Unspecified dementia, moderate, with agitation
F03.B18Unspecified dementia, moderate, with other behavioral disturbance
F03.B2Unspecified dementia, moderate, with psychotic disturbance
F03.B3Unspecified dementia, moderate, with mood disturbance
F03.B4Unspecified dementia, moderate, with anxiety
F03.C0Unspecified dementia, severe, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety
F03.C11Unspecified dementia, severe, with agitation
F03.C18Unspecified dementia, severe, with other behavioral disturbance
F03.C2Unspecified dementia, severe, with psychotic disturbance
F03.C3Unspecified dementia, severe, with mood disturbance
F03.C4Unspecified dementia, severe, with anxiety

Sources

Every figure on this page is taken from the CMS publications below, as released by the Centers for Medicare & Medicaid Services. Projection built 2026-10-10. Verify against the primary file before billing or contracting decisions. The reference methodology explains how each figure is computed from these files.

Codes from the FY2027 ICD-10-CM files (all chapters). Report the code that matches the documentation and the Official Guidelines; this list is not coding advice.