2026 ICD-10-CM Diagnosis Code F01.A0Vascular dementia, mild, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety

ICD-10-CM Codes›F01–F99›F01-F09›F01

ICD-10-CM F01.A0
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

F01.A0 is a billable ICD-10-CM diagnosis code for vascular dementia, mild, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). The code is restricted by the Medicare Code Editor to adult patients (age 15 through 124). In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Neurocognitive disorders.

Code Identity

ICD-10-CM Code
F01.A0
Billable Status
Yes — Valid for Submission
Code Describes
Vascular dementia, mild, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety
Short Description
Vascular dementia, mild, without beh/psych/mood/anx
Parent Code
F01.A
Vascular dementia, mild

Code Classification

ChapterF01–F99Mental and behavioural disorders
SectionF01-F09Mental disorders due to known physiological conditions
CategoryF01Vascular dementia
This CodeF01.A0Vascular dementia, mild, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety

Code EditsBilling

Medicare Code Editor checks that affect claim validity for F01.A0.

Adult diagnoses
The Medicare Code Editor detects inconsistencies in adult cases by checking a patient's age and any diagnosis on the patient's record. The adult code edits apply to patients age range is 15–124 years inclusive (e.g., senile delirium, mature cataract).

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Inclusion Terms

  • Major neurocognitive disorder due to vascular disease, mild, NOS
  • Vascular dementia, mild, NOS

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • Dementia(degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety)
      • vascular (acute onset) (mixed) (multi-infarct) (subcortical) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety)
        • mild

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR NVS011
Neurocognitive disorders
Default principal diagnosis: inpatient No · outpatient Yes

Patient EducationClinical

Anxiety

Anxiety is a feeling of fear, dread, and uneasiness. It might cause you to sweat, feel restless and tense, and have a rapid heartbeat. It can be a normal reaction to stress. For example, you might feel anxious when faced with a difficult problem at work, before taking a test, or before making an important decision.

The full article covers:

  • What is anxiety?
  • What are anxiety disorders?
  • What are the types of anxiety disorders?
  • What causes anxiety disorders?
  • Who is at risk for anxiety disorders?
  • What are the symptoms of anxiety disorders?
  • How are anxiety disorders diagnosed?
  • What are the treatments for anxiety disorders?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code History & ChangesHistory

Replacement F01.A0 replaces the following previously assigned code(s):

  • F01.50 - Vascular dementia without behavioral disturbance
  • F01.50 - Vascular dementia, unsp severity, without beh/psych/mood/anx
FY 2023AddedAdded to the ICD-10-CM code setEffective October 1, 2022.
FY 2024–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About F01.A0Overview

Is F01.A0 (Vascular dementia, mild) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report vascular dementia, mild, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

Who can F01.A0 be reported for?

The Medicare Code Editor checks vascular dementia, mild, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety against patient demographics: this code is intended for adult patients (age 15 through 124). Claims outside these limits are flagged as inconsistent.

Footnotes

[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:

  • The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
  • The condition places limitations on self-care, independent living, and social interactions.