F03
Header — not billableUnspecified dementia
The ICD-10 code for unspecified dementia is F03.
F03 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 4 more specific codes below.
Clinical notes
Excludes2 (not included here)
An Excludes2 note means the excluded condition is not part of this one, but a patient can have both at the same time — in that case both codes may be reported together.
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- 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
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •This code describes an unspecified presentation. If the medical record documents a more specific detail (e.g. laterality, type, or affected site), a more specific sibling code should be used instead — see Related codes below.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- F01Vascular dementianon-billable header
- F02Dementia in other diseases classified elsewherenon-billable header
- F04Amnestic disorder due to known physiological condition
- F05Delirium due to known physiological condition
- F06Other mental disorders due to known physiological conditionnon-billable header
- F07Personality and behavioral disorders due to known physiological conditionnon-billable header
- F09Unspecified mental disorder due to known physiological condition
- F03Unspecified dementianon-billable header