F03.91

Non-Billable
ChapterF01–F99
Ranksubcategory
Official Description

Unspecified dementia, unspecified severity, with behavioral disturbance

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 5: Mental, Behavioral and Neurodevelopmental Disorders (F01-F99).
General instructions are available for the parent sections:
View CH5 NotesView F03 Notes

Clinical Hierarchy

CH5Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
F01-F09Mental disorders due to known physiological conditions (F01-F09)
F03Unspecified dementia
F03.9Unspecified dementia, unspecified severity
F03.91Unspecified dementia, unspecified severity, with behavioral disturbance
F03.911Unspecified dementia, unspecified severity, with agitation
F03.918Unspecified dementia, unspecified severity, with other behavioral disturbance

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to F03.91:

categoryF03
Unspecified dementia
View context instructions
chapterCH5
Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to F03.91. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

5 raw paths
Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety)5 unique routes
with(5 variants)
aberrant motor behavior (exit-seeking) (pacing) (restlessness) (rocking)→F03.91
agitation→F03.91
behavioral disturbances (sexual disinhibition) (sleep disturbance) (social disinhibition)→F03.91(2 variants)
specified NEC→F03.91
verbal or physical behaviors (anger) (aggression) (combativeness) (profanity) (shouting) (threatening) (violence)→F03.91

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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