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ICD-10-CM category F02: Dementia in other diseases classified elsewhere

Category F02 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 F02 code

Includes
  • Major neurocognitive disorder in other diseases classified elsewhere
Excludes1 (never coded together)
  • mild neurocognitive disorder due to known physiological condition with or without behavioral disturbance (F06.7-)
Excludes2 (not part of this condition, may be coded together)
  • dementia in alcohol and psychoactive substance disorders (F10-F19, with .17, .27, .97)
  • vascular dementia (F01.5-, F01.A-, F01.B-, F01.C-)
Code first
  • the underlying physiological condition, such as:
  • Alzheimer's (G30.-)
  • cerebral lipidosis (E75.4)
  • Creutzfeldt-Jakob disease (A81.0-)
  • epilepsy and recurrent seizures (G40.-)
  • hepatolenticular degeneration (E83.01)
  • human immunodeficiency virus [HIV] disease (B20)
  • Huntington's disease (G10)
  • hypercalcemia (E83.52)
  • hypothyroidism, acquired (E00-E03.-)
  • intoxications (T36-T65)
  • Jakob-Creutzfeldt disease (A81.0-)
  • multiple sclerosis (G35-)
  • neurocognitive disorder with Lewy bodies (G31.83)
  • neurosyphilis (A52.17)
  • niacin deficiency [pellagra] (E52)
  • other frontotemporal neurocognitive disorder (G31.09)
  • Parkinson's disease (G20.-)
  • Pick's disease (G31.01)
  • polyarteritis nodosa (M30.0)
  • prion disease (A81.9)
  • systemic lupus erythematosus (M32.-)
  • traumatic brain injury (S06.-)
  • trypanosomiasis (B56.-, B57.-)
  • vitamin B deficiency (E53.8)

Billable codes in F02

Billable FY2027 ICD-10-CM codes in category F02
CodeDescription
F02.80Dementia in other diseases classified elsewhere, unspecified severity, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety
F02.811Dementia in other diseases classified elsewhere, unspecified severity, with agitation
F02.818Dementia in other diseases classified elsewhere, unspecified severity, with other behavioral disturbance
F02.82Dementia in other diseases classified elsewhere, unspecified severity, with psychotic disturbance
F02.83Dementia in other diseases classified elsewhere, unspecified severity, with mood disturbance
F02.84Dementia in other diseases classified elsewhere, unspecified severity, with anxiety
F02.A0Dementia in other diseases classified elsewhere, mild, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety
F02.A11Dementia in other diseases classified elsewhere, mild, with agitation
F02.A18Dementia in other diseases classified elsewhere, mild, with other behavioral disturbance
F02.A2Dementia in other diseases classified elsewhere, mild, with psychotic disturbance
F02.A3Dementia in other diseases classified elsewhere, mild, with mood disturbance
F02.A4Dementia in other diseases classified elsewhere, mild, with anxiety
F02.B0Dementia in other diseases classified elsewhere, moderate, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety
F02.B11Dementia in other diseases classified elsewhere, moderate, with agitation
F02.B18Dementia in other diseases classified elsewhere, moderate, with other behavioral disturbance
F02.B2Dementia in other diseases classified elsewhere, moderate, with psychotic disturbance
F02.B3Dementia in other diseases classified elsewhere, moderate, with mood disturbance
F02.B4Dementia in other diseases classified elsewhere, moderate, with anxiety
F02.C0Dementia in other diseases classified elsewhere, severe, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety
F02.C11Dementia in other diseases classified elsewhere, severe, with agitation
F02.C18Dementia in other diseases classified elsewhere, severe, with other behavioral disturbance
F02.C2Dementia in other diseases classified elsewhere, severe, with psychotic disturbance
F02.C3Dementia in other diseases classified elsewhere, severe, with mood disturbance
F02.C4Dementia in other diseases classified elsewhere, 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.