F03.A1

⚠ Non-billable (Header)

Unspecified dementia, mild, with behavioral disturbance

Mental, Behavioral and Neurodevelopmental disorders (F01-F99)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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❌ Excludes1

inherited

Rules inherited from parent codes in the hierarchy.

F03.A

• mild neurocognitive disorder due to known physiological condition with or without behavioral disturbance (F06.7-)

⚠️ Excludes2

inherited

Rules inherited from parent codes.

F03

• dementia with delirium or acute confusional state (F05)
• mild memory disturbance due to known physiological condition (F06.8)

Child Codes (2)

F03.A11Unspecified dementia, mild, with agitation✓ Billable F03.A18Unspecified dementia, mild, with other behavioral disturbance✓ Billable

Clinical Description

ICD-10-CM code F03.A1 represents unspecified dementia, mild, with behavioral disturbance. This code falls under the Mental, Behavioral and Neurodevelopmental disorders (F01-F99) classification. It is a non-billable category header code. A more specific child code from the list below must be used for billing and reimbursement purposes.

This is a 6-character code at the 5th level of specificity. There are 2 more specific child codes under F03.A1. Coders should note that F03.A1 has 1 Excludes1 restriction(s) — codes that cannot be reported together on the same claim.

Frequently Asked Questions

What is ICD-10 code F03.A1?

ICD-10-CM code F03.A1 is "Unspecified dementia, mild, with behavioral disturbance". It belongs to the category: Mental, Behavioral and Neurodevelopmental disorders (F01-F99).

Is F03.A1 a billable ICD-10 code?

No, F03.A1 is a non-billable header code. A more specific child code must be used for billing.

What codes are excluded with F03.A1?

F03.A1 has 1 Excludes1 rule(s). These codes are mutually exclusive and cannot be coded together on the same claim.

Can F03.A1 be coded with other codes?

F03.A1 has 2 Excludes2 note(s). These conditions can be coded together if both are documented in the patient record.

Related Codes in F03.A

Other codes in the same category that may be relevant for differential coding:

F03.A0Unspecified dementia, mild, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety F03.A2Unspecified dementia, mild, with psychotic disturbance F03.A3Unspecified dementia, mild, with mood disturbance F03.A4Unspecified dementia, mild, with anxiety

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Code Information

CodeF03.A1

BillableNo — Header code

ParentF03.A

CategoryMental, Behavioral and Neurodevelopmental disorders (F01-F99)

Excludes11 rule(s)

Excludes22 note(s)

Child codes2

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)