F01.C – Vascular dementia, severe

ICD-10-CM 2027 diagnosis code · Mental disorders due to known physiological conditions

Non-billable header

ICD-10-CM code F01.C

Code: F01.C (claims format: F01C)
Description: Vascular dementia, severe
Billable: No – use a more specific code below
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 5. Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
Block: F01-F09 Mental disorders due to known physiological conditions
Parent codes: F01

Billable codes under F01.C

F01.C is a header code and cannot be used on claims. Choose the most specific code:

F01.C0 – Vascular dementia, severe, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxietyBillable
F01.C1 – Vascular dementia, severe, with behavioral disturbanceHeader (more codes below)
F01.C2 – Vascular dementia, severe, with psychotic disturbanceBillable
F01.C3 – Vascular dementia, severe, with mood disturbanceBillable
F01.C4 – Vascular dementia, severe, with anxietyBillable

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

F01 – Vascular dementia

Includes:

arteriosclerotic dementia
major neurocognitive disorder due to vascular disease
multi-infarct dementia

Applicable to:

Vascular dementia as a result of infarction of the brain due to vascular disease, including hypertensive cerebrovascular disease.

Code first:

, if applicable, any causal condition

Block F01-F09

Notes:

This block comprises a range of mental disorders grouped together on the basis of their having in common a demonstrable etiology in cerebral disease, brain injury, or other insult leading to cerebral dysfunction. The dysfunction may be primary, as in diseases, injuries, and insults that affect the brain directly and selectively; or secondary, as in systemic diseases and disorders that attack the brain only as one of the multiple organs or systems of the body that are involved.

Related codes in F01

Frequently asked questions

What is ICD-10 code F01.C?

F01.C is the ICD-10-CM code for vascular dementia, severe, in the block F01-F09 (Mental disorders due to known physiological conditions).

Is F01.C a billable code?

No. F01.C is a header code with more specific child codes; report one of the billable codes listed above.

What category does F01.C belong to?

It belongs to category F01 – Vascular dementia.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.