ICD Code F03.918

ICD code F03.918 is unspecified dementia of unspecified severity, with other behavioral disturbance.

1. Presence of dementia symptoms that do not meet criteria for a more specific type or severity of dementia

2. Cognitive decline interfering with independence in everyday activities

3. Impairment in at least one cognitive domain (e.g., memory, executive function, language, visuospatial skills)

4. Behavioral disturbances such as agitation, aggression, psychosis, mood changes, or other significant behavioral symptoms

5. Exclusion of delirium or other acute mental status changes as the primary cause

6. No clear etiology identified after appropriate evaluation

7. Symptoms not better explained by another mental disorder

Relevant CPT codes that may be used to treat ICD code F03.918 include:

- 90791 (Psychiatric diagnostic evaluation)

- 90832 (Psychotherapy, 30 minutes with patient)

- 90834 (Psychotherapy, 45 minutes with patient)

- 90837 (Psychotherapy, 60 minutes with patient)

- 96116 (Neurobehavioral status exam)

- 96132 (Neuropsychological testing evaluation services, first hour)

- 96133 (Neuropsychological testing evaluation services, each additional hour)

- 99483 (Assessment and care planning for patients with cognitive impairment)

- 99354 (Prolonged service in the office or other outpatient setting, first hour)

- 99355 (Prolonged service in the office or other outpatient setting, each additional 30 minutes)

- 99214, 99215 (Evaluation and management, established patient, moderate/high complexity)

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