F03.B3 — Unspecified dementia, moderate, with mood disturbance
Is F03.B3 billable?
Yes, but F03.B3 is an unspecified code. F03.B3 is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, F03.B3 is an unspecified or catch-all code. Payers apply additional scrutiny to unspecified codes and many deny them when the medical record supports a more specific option, so check the documentation before selecting F03.B3 — the more specific alternatives are listed below.
More specific alternatives
- F03.B0Unspecified dementia, moderate, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety
- F03.B1Unspecified dementia, moderate, with behavioral disturbancenot billable
- F03.B2Unspecified dementia, moderate, with psychotic disturbance
- F03.B4Unspecified dementia, moderate, with anxiety
F03.B3 at a glance
| Code | F03.B3 |
|---|---|
| Description | Unspecified dementia, moderate, with mood disturbance |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does F03.B3 group to?
F03.B3 sits in MDC 19 and helps define the logic of 1 MS-DRG (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 884Organic Disturbances and Intellectual Disabilitymedical
As a secondary diagnosis, F03.B3 is a complication or comorbidity (CC), which can move a stay into a higher-paying DRG.
How is F03.B3 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to F03.B3. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Dementia › moderate › with › mood disturbance (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety)
Inclusion terms
Alternative wording in documentation that is classified to F03.B3.
- Unspecified dementia, moderate, with mood disturbance such as depression, apathy, or anhedonia
Excludes2 — not included here — inherited from Chapter 5
The conditions below are not part of F03.B3, but a patient may have both at the same time. When documentation supports it, F03.B3 and the excluded code may both be reported.
- symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)
Excludes2 — not included here — inherited from F03
The conditions below are not part of F03.B3, but a patient may have both at the same time. When documentation supports it, F03.B3 and the excluded code may both be reported.
How long has F03.B3 existed?
F03.B3 first appears in FY2023.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.
Which conditions are coded to F03.B3?
What other codes are in the F03.B family? (4)
- F03.B0Unspecified dementia, moderate, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety
- F03.B1Unspecified dementia, moderate, with behavioral disturbancenot billable
- F03.B2Unspecified dementia, moderate, with psychotic disturbance
- F03.B4Unspecified dementia, moderate, with anxiety