F03.B18
ICD-10-CMUnspecified dementia, moderate, with other behavioral disturbance
This code signifies a moderate stage of dementia where the specific type of dementia is not documented, and the patient exhibits behavioral disturbances beyond those typically associated with the cognitive decline itself. These disturbances might include agitation, aggression, wandering, or disinhibition, but do not meet criteria for psychosis, mood disturbance, or anxiety disorders. The "unspecified" nature indicates that the underlying etiology of the dementia (e.g., Alzheimer's, vascular) has not been determined or documented.
Apply this code when documentation clearly indicates a diagnosis of dementia at a moderate severity level, accompanied by behavioral issues that are not further specified as psychotic, mood-related, or anxious. The medical record should explicitly state "moderate dementia" and describe behavioral symptoms such as restlessness, yelling, or uncooperativeness without specifying the type of dementia. This code is appropriate when the physician has not identified the specific cause of the dementia.
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