2025 ICD-10-CM Diagnosis Code F02

by

Dementia in other diseases classified elsewhere

  • F02 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2025 edition of ICD-10-CM F02 became effective on October 1, 2024.
  • This is the American ICD-10-CM version of F02 – other international versions of ICD-10 F02 may differ.

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)

Type 1 Excludes

  • mild neurocognitive disorder due to known physiological condition with or without behavioral disturbance (F06.7-)

Type 2 Excludes

  • dementia in alcohol and psychoactive substance disorders (F10-F19 , with .17, .27, .97)
  • vascular dementia (F01.5-, F01.A-, F01.B-, F01.C-)

Includes

  • Major neurocognitive disorder in other diseases classified elsewhere

The following code(s) above F02 contain annotation back-references

 that may be applicable to F02:

  • F01-F99  Mental, Behavioral and Neurodevelopmental disorders
  • F01-F09  Mental disorders due to known physiological conditions

Code History

  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change
  • 2024 (effective 10/1/2023): No change
  • 2025 (effective 10/1/2024): No change

Code annotations containing back-references to F02:

  • Type 1 Excludes: F06.7, G31.84
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