All ICD10 Codes

F02

Non-Billable
ChapterF01–F99
Rankcategory
Official Description

Dementia in other diseases classified elsewhere

Use a more specific code (0 billable, 4 non-billable)
F02.8Dementia in other diseases classified elsewhere, unspecified severityhas subcodesF02.ADementia in other diseases classified elsewhere, mildhas subcodesF02.BDementia in other diseases classified elsewhere, moderatehas subcodesF02.CDementia in other diseases classified elsewhere, severehas subcodes
Metadata & Insights
  • •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. Code separately if applicable.)
  • 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. Use a different code.)
  • mild neurocognitive disorder due to known physiological condition with or without behavioral disturbance (F06.7-)
Excludes2(Not included here. Code separately if applicable.)
  • 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

BillableHas subcodes
CH5Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
F01-F09Mental disorders due to known physiological conditions (F01-F09)
F02Dementia in other diseases classified elsewhereNot billable
F02.8Dementia in other diseases classified elsewhere, unspecified severitySubcodes
F02.ADementia in other diseases classified elsewhere, mildSubcodes
F02.BDementia in other diseases classified elsewhere, moderateSubcodes
F02.CDementia in other diseases classified elsewhere, severeSubcodes

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

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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