F03.A
Header — not billableUnspecified dementia, mild
The ICD-10 code for unspecified dementia, mild is F03.A.
F03.A is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 5 more specific codes below.
Clinical notes
Excludes1 (not coded here)
An Excludes1 note is a pure exclusion: the excluded condition and this code should never be reported together, because the two conditions cannot occur at the same time (e.g. a congenital form vs. an acquired form of the same disease).
- mild neurocognitive disorder due to known physiological condition with or without behavioral disturbance (F06.7-)
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.
- •Confirm the excluded condition(s) listed above are not also present — Excludes1 conditions cannot be coded together with this one.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Child codes under F03.A
- F03.A0Unspecified dementia, mild, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety
- F03.A1Unspecified dementia, mild, with behavioral disturbancenon-billable header
- F03.A2Unspecified dementia, mild, with psychotic disturbance
- F03.A3Unspecified dementia, mild, with mood disturbance
- F03.A4Unspecified dementia, mild, with anxiety
Related codes in this category
- F03.9Unspecified dementia, unspecified severitynon-billable header
- F03.BUnspecified dementia, moderatenon-billable header
- F03.CUnspecified dementia, severenon-billable header
- F03.AUnspecified dementia, mildnon-billable header