F03.B3 – Unspecified dementia, moderate, with mood disturbance
ICD-10-CM 2027 diagnosis code · Mental disorders due to known physiological conditions
ICD-10-CM code
F03.B3
- Code
F03.B3(claims format:F03B3)- Description
- Unspecified dementia, moderate, with mood disturbance
- Billable
- Yes – valid for HIPAA-covered transactions
- 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
- F03 › F03.B
Notes for F03.B3
Applicable to:
- Unspecified dementia, moderate, with mood disturbance such as depression, apathy, or anhedonia
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
F03 – Unspecified dementia
Applicable to:
- Major neurocognitive disorder NOS
- Presenile dementia NOS
- Presenile psychosis NOS
- Primary degenerative dementia NOS
- Senile dementia NOS
- Senile dementia depressed or paranoid type
- Senile psychosis NOS
Excludes2 (not included here):
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.
Index terms for F03.B3
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in F03.B
- F03.B0 – Unspecified dementia, moderate, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxietyBillable
- F03.B1 – Unspecified dementia, moderate, with behavioral disturbanceHeader
- F03.B2 – Unspecified dementia, moderate, with psychotic disturbanceBillable
- F03.B4 – Unspecified dementia, moderate, with anxietyBillable
Frequently asked questions
What is ICD-10 code F03.B3?
F03.B3 is the ICD-10-CM code for unspecified dementia, moderate, with mood disturbance, in the block F01-F09 (Mental disorders due to known physiological conditions).
Is F03.B3 a billable code?
Yes. F03.B3 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does F03.B3 belong to?
It belongs to category F03 – Unspecified 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.