ICD-10-CM › F01-F99 › F01-F09 › F03.9 Unspecified dementia, unspecified severity › F03.91

F03.91

Unspecified dementia, unspecified severity, with behavioral disturbance

Not billableICD-10-CM diagnosis code.

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

Billable FY2016 to FY2022, and a category header from FY2023.

Submit one of these 2 more specific codes instead:

  • F03.911 Unspecified dementia, unspecified severity, with agitation
  • F03.918 Unspecified dementia, unspecified severity, with other behavioral disturbance

Use instead:

  • F03.92 Unspecified dementia, unspecified severity, with psychotic disturbance stated for FY2022
  • F03.93 Unspecified dementia, unspecified severity, with mood disturbance stated for FY2022
  • F03.94 Unspecified dementia, unspecified severity, with anxiety stated for FY2022
  • F03.A11 Unspecified dementia, mild, with agitation stated for FY2022
  • F03.A18 Unspecified dementia, mild, with other behavioral disturbance stated for FY2022
  • F03.A2 Unspecified dementia, mild, with psychotic disturbance stated for FY2022
  • F03.A3 Unspecified dementia, mild, with mood disturbance stated for FY2022
  • F03.A4 Unspecified dementia, mild, with anxiety stated for FY2022
  • F03.B11 Unspecified dementia, moderate, with agitation stated for FY2022
  • F03.B18 Unspecified dementia, moderate, with other behavioral disturbance stated for FY2022
  • F03.B2 Unspecified dementia, moderate, with psychotic disturbance stated for FY2022
  • F03.B3 Unspecified dementia, moderate, with mood disturbance stated for FY2022
  • F03.B4 Unspecified dementia, moderate, with anxiety stated for FY2022
  • F03.C11 Unspecified dementia, severe, with agitation stated for FY2022
  • F03.C18 Unspecified dementia, severe, with other behavioral disturbance stated for FY2022
  • F03.C2 Unspecified dementia, severe, with psychotic disturbance stated for FY2022
  • F03.C3 Unspecified dementia, severe, with mood disturbance stated for FY2022
  • F03.C4 Unspecified dementia, severe, with anxiety stated for FY2022

What has happened to this code

Every change the publisher made, from 2012 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

  1. FY2012 Added to the draft code set draft Unspecified dementia with behavioral disturbance
  2. FY2023 Description revised Unspecified dementia with behavioral disturbance Unspecified dementia, unspecified severity, with behavioral disturbance
  3. FY2023 Stopped being billable

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from F03 Unspecified dementia

Excludes2 - not included here

  • dementia with delirium or acute confusional state (F05)
  • mild memory disturbance due to known physiological condition (F06.8)

Also known as

  • Major neurocognitive disorder NOS
  • Presenile dementia NOS
  • Presenile psychosis NOS
  • Primary degenerative dementia NOS
  • Senile dementia NOS
  • Senile dementia depressed or paranoid type
  • Senile psychosis NOS

Inherited from the F01-F09 section Mental disorders due to known physiological conditions (F01-F09)

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.

How CDC's index refers to this code

Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.

Showing 40 of 49 index phrases.

Codes in the same group

CodeDescriptionStatus
F03.90 Unspecified dementia, unspecified severity, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety Valid
F03.92 Unspecified dementia, unspecified severity, with psychotic disturbance Valid
F03.93 Unspecified dementia, unspecified severity, with mood disturbance Valid
F03.94 Unspecified dementia, unspecified severity, with anxiety Valid