Billable / Specific Code
ICD-10-CM F03.918 is the diagnosis code for Unspecified dementia, unspecified severity, with other behavioral disturbance. 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 billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Understanding where F03.918 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, F03.918 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
F03.918 is the ICD-10-CM diagnosis code for "Unspecified dementia, unspecified severity, with other behavioral disturbance". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of F03.918 is F03.91 ("Unspecified dementia, unspecified severity, with behavioral disturbance"). F03.918 provides a more specific classification within this category.
F03.918 is located in Section F01-F09 — "Mental disorders due to known physiological conditions" within Chapter 5 of the ICD-10-CM Tabular List.
Use F03.918 when the patients documented diagnosis matches "Unspecified dementia, unspecified severity, with other behavioral disturbance" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Unspecified dementia, unspecified severity, with other behavioral disturbance is F03.918.
Yes, F03.918 can be used as a primary diagnosis code since it is billable and specific.
F03.918 is in Chapter 5 of the ICD-10-CM Tabular List.
Yes, F03.918 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.