F03.C
ICD-10Non-billable categoryUnspecified dementia, severe
Official ICD-10-CM descriptor (FY2026)
Unspecified dementia, severe
F03.C is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
More specific codes under F03.C
- F03.C0Unspecified dementia, severe, without beh/psych/mood/anx
- F03.C1Unspecified dementia, severe, with behavioral disturbancecategory
- F03.C2Unspecified dementia, severe, with psychotic disturbance
- F03.C3Unspecified dementia, severe, with mood disturbance
- F03.C4Unspecified dementia, severe, with anxiety
Related codes in F03
Where this code sits
- Parent code
- F03
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.