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ICD-10-CM · FY 2026 APRIL UPDATE

F03

Unspecified dementia

Diagnosis reference

Nonbillable category

This entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.

Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification

Related entries

Up to 30 descendants in this category

CODEDESCRIPTIONTYPE
F03.9Unspecified dementia, unspecified severityCategory
F03.90Unspecified dementia, unspecified severity, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxietyBillable
F03.91Unspecified dementia, unspecified severity, with behavioral disturbanceCategory
F03.911Unspecified dementia, unspecified severity, with agitationBillable
F03.918Unspecified dementia, unspecified severity, with other behavioral disturbanceBillable
F03.92Unspecified dementia, unspecified severity, with psychotic disturbanceBillable
F03.93Unspecified dementia, unspecified severity, with mood disturbanceBillable
F03.94Unspecified dementia, unspecified severity, with anxietyBillable
F03.AUnspecified dementia, mildCategory
F03.A0Unspecified dementia, mild, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxietyBillable
F03.A1Unspecified dementia, mild, with behavioral disturbanceCategory
F03.A11Unspecified dementia, mild, with agitationBillable
F03.A18Unspecified dementia, mild, with other behavioral disturbanceBillable
F03.A2Unspecified dementia, mild, with psychotic disturbanceBillable
F03.A3Unspecified dementia, mild, with mood disturbanceBillable
F03.A4Unspecified dementia, mild, with anxietyBillable
F03.BUnspecified dementia, moderateCategory
F03.B0Unspecified dementia, moderate, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxietyBillable
F03.B1Unspecified dementia, moderate, with behavioral disturbanceCategory
F03.B11Unspecified dementia, moderate, with agitationBillable
F03.B18Unspecified dementia, moderate, with other behavioral disturbanceBillable
F03.B2Unspecified dementia, moderate, with psychotic disturbanceBillable
F03.B3Unspecified dementia, moderate, with mood disturbanceBillable
F03.B4Unspecified dementia, moderate, with anxietyBillable
F03.CUnspecified dementia, severeCategory
F03.C0Unspecified dementia, severe, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxietyBillable
F03.C1Unspecified dementia, severe, with behavioral disturbanceCategory
F03.C11Unspecified dementia, severe, with agitationBillable
F03.C18Unspecified dementia, severe, with other behavioral disturbanceBillable
F03.C2Unspecified dementia, severe, with psychotic disturbanceBillable

Use the complete reference

This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.

Open official CMS files

ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.