F02
Non-Billable

Dementia in other diseases classified elsewhere

Non-Billable / Non-Specific Code

What is Dementia in other diseases classified elsewhere?

ICD-10-CM F02 is the diagnosis code for Dementia in other diseases classified elsewhere. This code falls under the section "Mental disorders due to known physiological conditions" within Chapter 5 — Mental, Behavioral and Neurodevelopmental disorders (F01-F99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

⛔ Excludes1
â„šī¸ Excludes2

Coding Guidelines for F02

⛔ Type 1 Excludes (Never code together)

The following conditions should never be coded at the same time as F02. They are mutually exclusive:

  • mild neurocognitive disorder due to known physiological condition with or without behavioral disturbance (F06.7-)

â„šī¸ Type 2 Excludes (Code separately if applicable)

The following conditions are not included in F02. If the patient has both, code each condition separately:

  • dementia in alcohol and psychoactive substance disorders (F10-F19, with .17, .27, .97)
  • vascular dementia (F01.5-, F01.A-, F01.B-, F01.C-)

ICD-10-CM Code Hierarchy

Understanding where F02 sits in the ICD-10-CM classification helps ensure proper coding:

Current CodeF02 — Dementia in other diseases classified elsewhere
Sub-Codes 4 entries
F02.8Dementia in other diseases classified elsewhere, unspecified severityNon-BillableF02.80Dementia in other diseases classified elsewhere, unspecified severity, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxietyBillableF02.81Dementia in other diseases classified elsewhere, unspecified severity, with behavioral disturbanceNon-BillableF02.811Dementia in other diseases classified elsewhere, unspecified severity, with agitationBillableF02.818Dementia in other diseases classified elsewhere, unspecified severity, with other behavioral disturbanceBillableF02.82Dementia in other diseases classified elsewhere, unspecified severity, with psychotic disturbanceBillableF02.83Dementia in other diseases classified elsewhere, unspecified severity, with mood disturbanceBillableF02.84Dementia in other diseases classified elsewhere, unspecified severity, with anxietyBillableF02.ADementia in other diseases classified elsewhere, mildNon-BillableF02.A0Dementia in other diseases classified elsewhere, mild, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxietyBillableF02.A1Dementia in other diseases classified elsewhere, mild, with behavioral disturbanceNon-BillableF02.A11Dementia in other diseases classified elsewhere, mild, with agitationBillableF02.A18Dementia in other diseases classified elsewhere, mild, with other behavioral disturbanceBillableF02.A2Dementia in other diseases classified elsewhere, mild, with psychotic disturbanceBillableF02.A3Dementia in other diseases classified elsewhere, mild, with mood disturbanceBillableF02.A4Dementia in other diseases classified elsewhere, mild, with anxietyBillableF02.BDementia in other diseases classified elsewhere, moderateNon-BillableF02.B0Dementia in other diseases classified elsewhere, moderate, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxietyBillableF02.B1Dementia in other diseases classified elsewhere, moderate, with behavioral disturbanceNon-BillableF02.B11Dementia in other diseases classified elsewhere, moderate, with agitationBillableF02.B18Dementia in other diseases classified elsewhere, moderate, with other behavioral disturbanceBillableF02.B2Dementia in other diseases classified elsewhere, moderate, with psychotic disturbanceBillableF02.B3Dementia in other diseases classified elsewhere, moderate, with mood disturbanceBillableF02.B4Dementia in other diseases classified elsewhere, moderate, with anxietyBillableF02.CDementia in other diseases classified elsewhere, severeNon-BillableF02.C0Dementia in other diseases classified elsewhere, severe, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxietyBillableF02.C1Dementia in other diseases classified elsewhere, severe, with behavioral disturbanceNon-BillableF02.C11Dementia in other diseases classified elsewhere, severe, with agitationBillableF02.C18Dementia in other diseases classified elsewhere, severe, with other behavioral disturbanceBillableF02.C2Dementia in other diseases classified elsewhere, severe, with psychotic disturbanceBillableF02.C3Dementia in other diseases classified elsewhere, severe, with mood disturbanceBillableF02.C4Dementia in other diseases classified elsewhere, severe, with anxietyBillable
Related Codes

Frequently Asked Questions

Is F02 a billable ICD-10-CM code?

No, F02 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does F02 mean?

F02 is the ICD-10-CM diagnosis code for "Dementia in other diseases classified elsewhere". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What section is F02 in?

F02 is located in Section F01-F09 — "Mental disorders due to known physiological conditions" within Chapter 5 of the ICD-10-CM Tabular List.

What are the sub-codes of F02?

F02 has 4 sub-code(s) that provide more specific detail: F02.8, F02.A, F02.B, F02.C.

When should I use F02?

Use F02 when the patients documented diagnosis matches "Dementia in other diseases classified elsewhere" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Dementia in other diseases classified elsewhere?

The ICD-10-CM code for Dementia in other diseases classified elsewhere is F02.

Can F02 be used for primary diagnosis?

No, F02 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is F02 in?

F02 is in Chapter 5 of the ICD-10-CM Tabular List.

What conditions are excluded from F02?

Type 1 Excludes for F02 include: mild neurocognitive disorder due to known physiological condition with or without behavioral disturbance (F06.7-).

Is F02 valid for 2026?

Yes, F02 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousF01.C4Vascular dementia, severe, with anxietyNext →F02.8Dementia in other diseases classified elsewhere, unspecified severity
Code Details
F02
Dementia in other diseases classified elsewhere
Non-Billable / Non-Specific Code
5 — Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
F01-F09 — Mental disorders due to known physiological conditions
2026 ICD-10-CM