ICD-10-CM Billable Code

F02.C18

Dementia in other diseases classified elsewhere, severe, with other behavioral disturbance

Clinical Classification Guidelines

Use Additional Code

  • code, if applicable, to identify wandering in dementia in conditions classified elsewhere (Z91.83)

Inclusion Terms

  • Dementia in other diseases classified elsewhere, severe, with behavioral disturbances such as sleep disturbance, social disinhibition, or sexual disinhibition
  • Major neurocognitive disorder in other diseases classified elsewhere, severe, with behavioral disturbances such as sleep disturbance, social disinhibition, or sexual disinhibition

Medical Intelligence & Overview

ICD-10 code F02.C18 refers to a severe form of dementia that occurs in conjunction with other underlying diseases. This type of dementia is characterized not only by significant cognitive decline but also by notable behavioral disturbances, including sleep issues, social disinhibition, or sexual disinhibition. It is considered a major neurocognitive disorder, impacting daily functioning and quality of life. Recognizing this condition involves understanding both the cognitive impairments and the behavioral challenges associated with it.

Causes & Symptoms

Clinical Causes: Underlying neurological or systemic diseases such as Parkinson's disease, Huntington's disease, or inflammatory brain conditions. Progression of degenerative disorders like Alzheimer's disease or Lewy body dementia. Traumatic brain injuries leading to extensive brain damage. Infections affecting the brain, such as encephalitis or syphilis. Metabolic or nutritional deficiencies that impact brain function. Certain medications or substance abuse that may exacerbate cognitive decline and behavioral issues.

Key Symptoms: Severe cognitive decline impairing memory, reasoning, language, and executive functions. Behavioral disturbances such as sleep disruptions, including insomnia or irregular sleep patterns. Social disinhibition, leading to inappropriate social behaviors or loss of social boundaries. Sexual disinhibition, such as inappropriate sexual comments or actions. Aggressive or agitation behaviors. Mood swings, depression, or anxiety. Difficulty recognizing familiar people or places. Problems with daily activities like dressing, eating, and personal hygiene.

Diagnostic & Treatment

Diagnosis Path: Diagnosis involves a comprehensive clinical assessment including detailed medical history, neurological examination, and neuropsychological testing. Healthcare professionals may also use brain imaging techniques like MRI or CT scans to identify underlying causes. The presence of severe cognitive impairment combined with behavioral disturbances and evidence of an underlying disease supports the diagnosis of this specific type of dementia.

Treatment Protocols: Medications to address behavioral disturbances, such as antipsychotics or antidepressants, under careful medical supervision. Cholinesterase inhibitors or NMDA receptor antagonists, depending on the underlying cause, to help with cognitive symptoms. Behavioral therapy and environmental modifications to reduce agitation and improve safety. Supportive care programs, including physical, occupational, and speech therapies. Caregiver education and support to manage behavioral issues and daily care routines. Addressing underlying medical conditions contributing to dementia or behavioral disturbances.

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

Clinical Advice & FAQs

Billing Guidance

Is F02.C18 a billable ICD-10 code?
Yes, F02.C18 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.

Documentation

How do I report F02.C18?
Clinical documentation must specify the nature of Dementia in other diseases classified elsewhere, severe, with other behavioral disturbance and any associated comorbidities for accurate reporting.

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