F02

Non-Billable
ChapterF01–F99
Rankcategory
Official Description

Dementia in other diseases classified elsewhere

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).

CH5 Parent Instructions

Includes
  • disorders of psychological development
Excludes2(Not included here)
  • symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)

Instructional Notes

Includes
  • Major neurocognitive disorder in other diseases classified elsewhere
Excludes1(Not coded here)
  • mild neurocognitive disorder due to known physiological condition with or without behavioral disturbance (F06.7-)
Excludes2(Not included here)
  • dementia in alcohol and psychoactive substance disorders (F10-F19, with .17, .27, .97)
  • vascular dementia (F01.5-, F01.A-, F01.B-, F01.C-)
Code First
  • the underlying physiological condition, such as:
  • Alzheimer's (G30.-)
  • cerebral lipidosis (E75.4)
  • Creutzfeldt-Jakob disease (A81.0-)
  • epilepsy and recurrent seizures (G40.-)
  • frontotemporal dementia (G31.09)
  • hepatolenticular degeneration (E83.01)
  • human immunodeficiency virus [HIV] disease (B20)
  • Huntington's disease (G10)
  • hypercalcemia (E83.52)
  • hypothyroidism, acquired (E00-E03.-)
  • intoxications (T36-T65)
  • Jakob-Creutzfeldt disease (A81.0-)
  • multiple sclerosis (G35-)
  • neurocognitive disorder with Lewy bodies (G31.83)
  • neurosyphilis (A52.17)
  • niacin deficiency [pellagra] (E52)
  • other frontotemporal neurocognitive disorder (G31.90)
  • Parkinson's disease (G20.-)
  • Pick's disease (G31.01)
  • polyarteritis nodosa (M30.0)
  • prion disease (A81.9)
  • systemic lupus erythematosus (M32.-)
  • traumatic brain injury (S06.-)
  • trypanosomiasis (B56.-, B57.-)
  • vitamin B deficiency (E53.8)

Clinical Hierarchy

CH5Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
F01-F09Mental disorders due to known physiological conditions (F01-F09)
F02Dementia in other diseases classified elsewhere
F02.8Dementia in other diseases classified elsewhere, unspecified severity
F02.ADementia in other diseases classified elsewhere, mild
F02.BDementia in other diseases classified elsewhere, moderate
F02.CDementia in other diseases classified elsewhere, severe

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to F02:

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

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to F02. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

25 raw paths
Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety)25 unique routes
in (due to)(25 variants)
diseases specified elsewhere (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety)→F02(25 variants)
mild→F02(9 variants)
with(8 variants)
aberrant motor behavior (exit-seeking) (pacing) (restlessness) (rocking)→F02
agitation→F02
anxiety→F02
behavioral disturbances (sexual disinhibition) (sleep disturbance) (social disinhibition)→F02(2 variants)
specified NEC→F02
mood disturbance (anhedonia) (apathy) (depression)→F02
psychotic disturbance (delusional state) (hallucinations) (paranoia) (suspiciousness)→F02
verbal or physical behaviors (anger) (aggression) (combativeness) (profanity) (shouting) (threatening) (violence)→F02
moderate→F02(9 variants)
with(8 variants)
aberrant motor behavior (exit-seeking) (pacing) (restlessness) (rocking)→F02
agitation→F02
anxiety→F02
behavioral disturbances (sexual disinhibition) (sleep disturbance) (social disinhibition)→F02(2 variants)
specified NEC→F02
mood disturbance (anhedonia) (apathy) (depression)→F02
psychotic disturbance (delusional state) (hallucinations) (paranoia) (suspiciousness)→F02
verbal or physical behaviors (anger) (aggression) (combativeness) (profanity) (shouting) (threatening) (violence)→F02
severe→F02(6 variants)
with(5 variants)
aberrant motor behavior (exit-seeking) (pacing) (restlessness) (rocking)→F02
agitation→F02
anxiety→F02
behavioral disturbances (sexual disinhibition) (sleep disturbance) (social disinhibition)→F02(2 variants)
specified NEC→F02

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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