2025
ICD-10-CM
Diagnosis
Code

F02 Dementia in other diseases classified elsewhere

  • Non-billable
  • 2016–2025

F02 is a non-billable/non-specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Dementia in other diseases classified elsewhere.

Includes

  • Major neurocognitive disorder in other diseases classified elsewhere

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-)

Codes

Versions

  1. 2025

    Code changed

    • Code first

        • the underlying physiological condition, such as:
        • Alzheimer's (G30.-)
        • cerebral lipidosis (E75.4)
        • Creutzfeldt-Jakob disease (A81.0-)
        • dementia with Lewy bodies (G31.83)
        • dementia with Parkinsonism (G31.83)
        • 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)
        • neurosyphilis (A52.17)
        • niacin deficiency [pellagra] (E52)
        • 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)
        • 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)
  2. 2024

    Code changed

    • Code first

        • the underlying physiological condition, such as:
        • Alzheimer's (G30.-)
        • cerebral lipidosis (E75.4)
        • Creutzfeldt-Jakob disease (A81.0-)
        • dementia with Lewy bodies (G31.83)
        • dementia with Parkinsonism (G31.83)
        • epilepsy and recurrent seizures (G40.-)
        • frontotemporal dementia (G31.09)
        • hepatolenticular degeneration (E83.0)
        • 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)
        • neurosyphilis (A52.17)
        • niacin deficiency [pellagra] (E52)
        • 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)
        • the underlying physiological condition, such as:
        • Alzheimer's (G30.-)
        • cerebral lipidosis (E75.4)
        • Creutzfeldt-Jakob disease (A81.0-)
        • dementia with Lewy bodies (G31.83)
        • dementia with Parkinsonism (G31.83)
        • 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)
        • neurosyphilis (A52.17)
        • niacin deficiency [pellagra] (E52)
        • 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)
  3. 2023

    Code changed

    • 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-)
        • dementia in alcohol and psychoactive substance disorders (F10-F19, with .17, .27, .97)
        • vascular dementia (F01.5-, F01.A-, F01.B-, F01.C-)
  4. 2022

    No changes

  5. 2021

    No changes

  6. 2020

    No changes

  7. 2019

    No changes

  8. 2018

    No changes

  9. 2017

    Code changed

    • Includes

        • Major neurocognitive disorder in other diseases classified elsewhere
    • Code first

        • the underlying physiological condition, such as:
        • Alzheimer's (G30.-)
        • cerebral lipidosis (E75.4)
        • Creutzfeldt-Jakob disease (A81.0-)
        • dementia with Lewy bodies (G31.83)
        • epilepsy and recurrent seizures (G40.-)
        • frontotemporal dementia (G31.09)
        • hepatolenticular degeneration (E83.0)
        • human immunodeficiency virus [HIV] disease (B20)
        • hypercalcemia (E83.52)
        • hypothyroidism, acquired (E00-E03.-)
        • intoxications (T36-T65)
        • Jakob-Creutzfeldt disease (A81.0-)
        • multiple sclerosis (G35)
        • neurosyphilis (A52.17)
        • niacin deficiency [pellagra] (E52)
        • Parkinson's disease (G20)
        • Pick's disease (G31.01)
        • polyarteritis nodosa (M30.0)
        • systemic lupus erythematosus (M32.-)
        • trypanosomiasis (B56.-, B57.-)
        • vitamin B deficiency (E53.8)
        • the underlying physiological condition, such as:
        • Alzheimer's (G30.-)
        • cerebral lipidosis (E75.4)
        • Creutzfeldt-Jakob disease (A81.0-)
        • dementia with Lewy bodies (G31.83)
        • dementia with Parkinsonism (G31.83)
        • epilepsy and recurrent seizures (G40.-)
        • frontotemporal dementia (G31.09)
        • hepatolenticular degeneration (E83.0)
        • 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)
        • neurosyphilis (A52.17)
        • niacin deficiency [pellagra] (E52)
        • 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

        • dementia with Parkinsonism (G31.83)
  10. 2016

    New code