F03.C (Unspecified dementia, severe) is an umbrella ICD-10-CM medical diagnosis code in the Mental, behavioral and neurodevelopmental disorders chapter. It identifies cases of unspecified dementia, severe for clinical documentation, billing and epidemiological tracking.

ICD-10-CM · Category

F03.C — Unspecified dementia, severe

Chapter F01-F99: Mental, behavioral and neurodevelopmental disorders

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Sub-codes under F03.C

F03.C0Unspecified dementia, severe, without beh/psych/mood/anxF03.C1Unspecified dementia, severe, with behavioral disturbanceF03.C2Unspecified dementia, severe, with psychotic disturbanceF03.C3Unspecified dementia, severe, with mood disturbanceF03.C4Unspecified dementia, severe, with anxiety

Related diagnoses

F03.9Unspecified dementia, unspecified severityF03.AUnspecified dementia, mildF03.BUnspecified dementia, moderate

Common questions about F03.C (Unspecified dementia, severe)

What does ICD-10 code F03.C mean?
F03.C is the ICD-10-CM 2025 code for Unspecified dementia, severe. ICD-10-CM is the medical coding system used by clinicians, hospitals and insurers worldwide to classify diseases and conditions in a standard way.
Is F03.C a billable diagnosis code?
F03.C is a category-level (umbrella) code rather than a billable specific code. For billing purposes, clinicians typically use a more specific sub-code under F03.C. Browse the sub-codes listed on this page.
Which ICD-10 chapter does F03.C belong to?
F03.C belongs to the chapter "Mental, behavioral and neurodevelopmental disorders" (codes F01-F99). ICD-10-CM organises codes into 22 chapters by body system or condition type, which helps clinicians navigate related diagnoses.
Where can I get plain-language information about Unspecified dementia, severe?
For a plain-language explanation of Unspecified dementia, severe, ask GoDavaii's Health AI - it explains medical conditions in 22+ Indian languages, free, with no signup. Tap "Ask GoDavaii AI about Unspecified dementia, severe" above to get a personalised answer.

Source: ICD-10-CM 2025 (Centers for Medicare & Medicaid Services, public domain). Codes valid from October 1, 2024. CMS source ↗