F03Unspecified dementia
ICD-10-CM category (non-billable header) code — part of Mental disorders due to known physiological conditions (F01-F09)
Coding Notes
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 code both)
- dementia with delirium or acute confusional state (F05)
- mild memory disturbance due to known physiological condition (F06.8)
Subcategories (4)
- F03.9 Unspecified dementia, unspecified severity
- F03.A Unspecified dementia, mild
- F03.B Unspecified dementia, moderate
- F03.C Unspecified dementia, severe