F03.91
⚠ Non-billable
Unspecified dementia, unspecified severity, with behavioral disturbance
ICD-10-CM · FY2026 · Mental, Behavioral and Neurodevelopmental Disorders
Code
F03.91
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Mental, Behavioral and Neurodevelopmental Disorders
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code F03.91?
ICD-10-CM code F03.91 represents Unspecified dementia, unspecified severity, with behavioral disturbance. It is a non-billable header code requiring a more specific subcategory in the Mental, Behavioral and Neurodevelopmental Disorders chapter, effective October 1, 2025 – September 30, 2026.
Is F03.91 billable?
No. F03.91 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is F03.91 in?
F03.91 belongs to the Mental, Behavioral and Neurodevelopmental Disorders chapter (F01–F99) of ICD-10-CM.
Related codes in the F03 category
F03
Unspecified dementia
Non-billable
F03.9
Unspecified dementia, unspecified severity
Non-billable
F03.A
Unspecified dementia, mild
Non-billable
F03.B
Unspecified dementia, moderate
Non-billable
F03.C
Unspecified dementia, severe
Non-billable
F03.90
Unspecified dementia, unspecified severity, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety
Billable
F03.92
Unspecified dementia, unspecified severity, with psychotic disturbance
Billable
F03.93
Unspecified dementia, unspecified severity, with mood disturbance
Billable
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