F03.C18

Unspecified dementia, severe, with other behavioral disturbance

Billable / specificHCC V28 125

F03.C18 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.

Inclusion terms

Applicable to

  • Unspecified dementia, severe, with behavioral disturbances such as sleep disturbance, social disinhibition, or sexual disinhibition

Includes (from F03)

  • disorders of psychological development
  • Note: This block comprises a range of mental disorders grouped together on the basis of their having in common a demonstrable etiology in cerebral disease, brain injury, or other insult leading to cerebral dysfunction. The dysfunction may be primary, as in diseases, injuries, and insults that affect the brain directly and selectively; or secondary, as in systemic diseases and disorders that attack the brain only as one of the multiple organs or systems of the body that are involved.

Excludes2

Not included here — may be reported together when both conditions exist.

  • symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99) (from F03)
  • dementia with delirium or acute confusional state (F05) (from F03)
  • mild memory disturbance due to known physiological condition (F06.8) (from F03)

Use additional code

Add a code to identify the following, if applicable.

  • code, if applicable, to identify wandering in unspecified dementia (Z91.83)

Also known as

  • Unspecified dementia, severe, with behavioral disturbances such as sleep disturbance, social disinhibition, or sexual disinhibition
  • Dementia, severe, with behavioral disturbances

Parent code

  • F03.C1Unspecified dementia, severe, with behavioral disturbanceHeader

Related codes

  • F03.C11Unspecified dementia, severe, with agitationBillable

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