ICD-10-CM 2027
ICD-10 code for senile dementia)
From the official ICD-10-CM alphabetic index entry “Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety) › senile”. Page updated September 29, 2026.
About coding senile dementia)
The ICD-10-CM code for senile dementia) is F03 (Unspecified dementia). The official index lists 1 more specific code, so check the documentation for details such as type, cause, site or severity before settling on F03.
To report this condition, pick the subcode that matches the documentation: F03.9 (unspecified severity), F03.A (mild), F03.B (moderate) and F03.C (severe).
The conditions in its Excludes2 note aren't part of F03, but may be coded alongside it if the patient has both: dementia with delirium or acute confusional state (F05) and mild memory disturbance due to known physiological condition (F06.8).
It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.
More specific senile dementia) codes (official index)
- Alzheimer's type
- depressed or paranoid type F03 — Unspecified dementia
Common questions about senile dementia) ICD-10 codes
What is the ICD-10 code for senile dementia)?
- F03 — Unspecified dementia (a header code; report a more specific subcode). More specific codes apply when the documentation supports them: F03.
What is the ICD-10 code for depressed or paranoid type senile dementia)?
- F03 — Unspecified dementia (header code; choose a more specific subcode).
Is F03 billable?
- No. F03 is a header code. Report one of its more specific subcodes instead.