F02
Non-billableDementia in other diseases classified elsewhere
F02 is the ICD-10-CM code for Dementia in other diseases classified elsewhere. It is a non-billable category code — use a more specific child code such as F02.8 for billing.
- Status
- Header (non-billable)
- Chapter
- F01-F99
- Subcodes
- 4
- Edition
- FY2026
F01-F99 Mental, Behavioral and Neurodevelopmental disorders
Cases of dementia due, or presumed to be due, to causes other than Alzheimer disease or cerebrovascular disease. Onset may be at any time in life, though rarely in old age.
Includes
- •Major neurocognitive disorder in other diseases classified elsewhere
Excludes1 — not coded here
- •mild neurocognitive disorder due to known physiological condition with or without behavioral disturbance (F06.7-)
Excludes2 — not included here
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.-)
- •frontotemporal dementia (G31.09)
- •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 (G31.90)
- •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)
Frequently asked questions
- What is ICD-10 code F02?
- F02 is the ICD-10-CM code for "Dementia in other diseases classified elsewhere". It falls under F01-F99 Mental, Behavioral and Neurodevelopmental disorders.
- Is F02 a billable code?
- No — F02 is a non-billable header code. Use a more specific child code (such as F02.8) for billing.
- What is excluded from F02?
- Excludes1 (not coded here): mild neurocognitive disorder due to known physiological condition with or without behavioral disturbance (F06.7-).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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