2021

  1. ICD-10-CM Codes
    2. ›
  2. F01-F99 Mental, Behavioral and Neurodevelopmental disorders
    3. ›
  3. F01-F09 Mental disorders due to known physiological conditions
    4. ›
  4. F03- Unspecified dementia
    5. ›
  5. 2021 ICD-10-CM Diagnosis Code F03

2021 ICD-10-CM Diagnosis Code F03

Unspecified dementia

    2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
  • F03 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2021 edition of ICD-10-CM F03 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of F03 - other international versions of ICD-10 F03 may differ.
Applicable To
  • Presenile dementia NOS
  • Presenile psychosis NOS
  • Primary degenerative dementia NOS
  • Senile dementia NOS
  • Senile dementia depressed or paranoid type
  • Senile psychosis NOS
Type 1 Excludes
Type 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as F03. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • senility NOS (
    ICD-10-CM Diagnosis Code R41.81

    Age-related cognitive decline

      2016 2017 2018 2019 2020 2021 Billable/Specific Code Adult Dx (15-124 years)
    Applicable To
    • Senility NOS
    R41.81
    )
Type 2 Excludes
Type 2 Excludes Help
A type 2 excludes note represents "not included here". A type 2 excludes note indicates that the condition excluded is not part of the condition it is excluded from but a patient may have both conditions at the same time. When a type 2 excludes note appears under a code it is acceptable to use both the code (F03) and the excluded code together.
  • mild memory disturbance due to known physiological condition (
    ICD-10-CM Diagnosis Code F06.8

    Other specified mental disorders due to known physiological condition

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    • Epileptic psychosis NOS
    • Obsessive-compulsive and related disorder due to a known physiological condition
    • Organic dissociative disorder
    • Organic emotionally labile [asthenic] disorder
    F06.8
    )
  • senile dementia with delirium or acute confusional state (
    ICD-10-CM Diagnosis Code F05

    Delirium due to known physiological condition

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    • Acute or subacute brain syndrome
    • Acute or subacute confusional state (nonalcoholic)
    • Acute or subacute infective psychosis
    • Acute or subacute organic reaction
    • Acute or subacute psycho-organic syndrome
    • Delirium of mixed etiology
    • Delirium superimposed on dementia
    • Sundowning
    Code First
    • the underlying physiological condition
    Type 1 Excludes
    Type 2 Excludes
    F05
    )
The following code(s) above F03 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to F03:
  • F01-F99
    2021 ICD-10-CM Range F01-F99

    Mental, Behavioral and Neurodevelopmental disorders

    Includes
    • disorders of psychological development
    Type 2 Excludes
    • symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)
    Mental, Behavioral and Neurodevelopmental disorders
  • F01-F09
    2021 ICD-10-CM Range F01-F09

    Mental disorders due to known physiological conditions

    Note
    • This block comprises a range of mental disorders grouped together on the basis of their having in common a demonstrable etiology in cerebral disease, brain injury, or other insult leading to cerebral dysfunction. The dysfunction may be primary, as in diseases, injuries, and insults that affect the brain directly and selectively; or secondary, as in systemic diseases and disorders that attack the brain only as one of the multiple organs or systems of the body that are involved.
    Mental disorders due to known physiological conditions
Approximate Synonyms
  • Dementia
  • Dementia, mild
  • Dementia, moderate
  • Dementia, presenile
  • Dementia, presenile with delirium
  • Dementia, presenile with delusions
  • Dementia, presenile with depression
  • Dementia, senile
  • Dementia, senile with delirium
  • Dementia, senile with delusion
  • Dementia, senile with depression
  • Dementia, senile with paranoia
  • Dementia, senile with psychosis
  • Dementia, severe
  • Dementia- degenerative- primary
  • Early onset dementia with delusions
  • Mild dementia
  • Mixed dementia
  • Moderate dementia
  • Organic dementia
  • Presbyophrenic psychosis
  • Presenile dementia
  • Presenile dementia with delirium
  • Presenile dementia with depression
  • Primary degenerative dementia
  • Senile dementia
  • Senile dementia with delirium
  • Senile dementia with delusion
  • Senile dementia with depression
  • Senile dementia with paranoia
  • Senile dementia with psychosis
  • Severe dementia
Clinical Information
  • A condition in which a person loses the ability to think, remember, learn, make decisions, and solve problems. Symptoms may also include personality changes and emotional problems. There are many causes of dementia, including alzheimer disease, brain cancer, and brain injury. Dementia usually gets worse over time.
  • An acquired organic mental disorder with loss of intellectual abilities of sufficient severity to interfere with social or occupational functioning. The dysfunction is multifaceted and involves memory, behavior, personality, judgment, attention, spatial relations, language, abstract thought, and other executive functions. The intellectual decline is usually progressive, and initially spares the level of consciousness.
  • Dementia is the name for a group of symptoms caused by disorders that affect the brain. It is not a specific disease. People with dementia may not be able to think well enough to do normal activities, such as getting dressed or eating. They may lose their ability to solve problems or control their emotions. Their personalities may change. They may become agitated or see things that are not there. Memory loss is a common symptom of dementia. However, memory loss by itself does not mean you have dementia. People with dementia have serious problems with two or more brain functions, such as memory and language. Although dementia is common in very elderly people, it is not part of normal aging.many different diseases can cause dementia, including alzheimer's disease and stroke. Drugs are available to treat some of these diseases. While these drugs cannot cure dementia or repair brain damage, they may improve symptoms or slow down the disease.
  • Loss of intellectual abilities in an elderly person, interfering with this person's activities.
  • Loss of intellectual abilities interfering with an individual's social and occupational functions. Causes include alzheimer's disease, brain injuries, brain tumors, and vascular disorders.
  • Loss of intellectual functions such as memory, learning, reasoning, problem solving, and abstract thinking while vegetative functions remain intact.
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
Code annotations containing back-references to F03:
  • Type 1 Excludes: F06
    , R54
    , G30
    , G31.84
    ICD-10-CM Diagnosis Code F06

    Other mental disorders due to known physiological condition

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Code First
    • the underlying physiological condition
    Includes
    • mental disorders due to endocrine disorder
    • mental disorders due to exogenous hormone
    • mental disorders due to exogenous toxic substance
    • mental disorders due to primary cerebral disease
    • mental disorders due to somatic illness
    • mental disorders due to systemic disease affecting the brain
    Type 1 Excludes
    • unspecified dementia (F03)
    Type 2 Excludes
    • delirium due to known physiological condition (F05)
    • dementia as classified in F01-F02
    • other mental disorders associated with alcohol and other psychoactive substances (F10-F19)
    ICD-10-CM Diagnosis Code R54

    Age-related physical debility

      2016 2017 2018 2019 2020 2021 Billable/Specific Code Adult Dx (15-124 years)
    Applicable To
    • Frailty
    • Old age
    • Senescence
    • Senile asthenia
    • Senile debility
    Type 1 Excludes
    ICD-10-CM Diagnosis Code G30

    Alzheimer's disease

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Includes
    • Alzheimer's dementia senile and presenile forms
    Type 1 Excludes
    • senile degeneration of brain NEC (G31.1)
    • senile dementia NOS (F03)
    • senility NOS (R41.81)
    Use Additional
    • code to identify:
    • delirium, if applicable (F05)
    • dementia with behavioral disturbance (F02.81)
    • dementia without behavioral disturbance (F02.80)
    ICD-10-CM Diagnosis Code G31.84

    Mild cognitive impairment, so stated

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    • Mild neurocognitive disorder
    Type 1 Excludes

Diagnosis Index entries containing back-references to F03:
  • Dementia (degenerative (primary)) (old age) (persisting) F03.90
    ICD-10-CM Diagnosis Code F03.90

    Unspecified dementia without behavioral disturbance

      2016 2017 2018 2019 2020 2021 Billable/Specific Code Adult Dx (15-124 years)
    Applicable To
    • Dementia NOS
    • in (due to)
      • multiple
        • etiologies F03
      • unknown etiology F03
    • presenile F03
    • senile F03
      • depressed or paranoid type F03
    • primary degenerative F03
  • Depression (acute) (mental) F32.9
    ICD-10-CM Diagnosis Code F32.9

    Major depressive disorder, single episode, unspecified

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    • Depression NOS
    • Depressive disorder NOS
    • Major depression NOS
    • senile F03
  • Disorder (of) - see also Disease
    • mental (or behavioral) (nonpsychotic) F99
      ICD-10-CM Diagnosis Code F99

      Mental disorder, not otherwise specified

        2016 2017 2018 2019 2020 2021 Billable/Specific Code
      Applicable To
      • Mental illness NOS
      Type 1 Excludes
      • unspecified mental disorder due to known physiological condition (F09)
      • presenile, psychotic F03
      • senile, psychotic NEC F03
  • Insanity, insane - see also Psychosis
    • senile F03
  • Melancholia F32.9
    ICD-10-CM Diagnosis Code F32.9

    Major depressive disorder, single episode, unspecified

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    • Depression NOS
    • Depressive disorder NOS
    • Major depression NOS
    • senile F03
  • Old age (without mention of debility) R54
    ICD-10-CM Diagnosis Code R54

    Age-related physical debility

      2016 2017 2018 2019 2020 2021 Billable/Specific Code Adult Dx (15-124 years)
    Applicable To
    • Frailty
    • Old age
    • Senescence
    • Senile asthenia
    • Senile debility
    Type 1 Excludes
    • dementia F03
  • Paranoia (querulans) F22
    ICD-10-CM Diagnosis Code F22

    Delusional disorders

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    • Delusional dysmorphophobia
    • Involutional paranoid state
    • Paranoia
    • Paranoia querulans
    • Paranoid psychosis
    • Paranoid state
    • Paraphrenia (late)
    • Sensitiver Beziehungswahn
    Type 1 Excludes
    Type 2 Excludes
    • paranoid personality disorder (F60.0)
    • paranoid psychosis, psychogenic (F23)
    • paranoid reaction (F23)
    • senile F03
  • Paranoid
    • dementia (senile) F03
    • psychosis (climacteric) (involutional) (menopausal) F22
      ICD-10-CM Diagnosis Code F22

      Delusional disorders

        2016 2017 2018 2019 2020 2021 Billable/Specific Code
      Applicable To
      • Delusional dysmorphophobia
      • Involutional paranoid state
      • Paranoia
      • Paranoia querulans
      • Paranoid psychosis
      • Paranoid state
      • Paraphrenia (late)
      • Sensitiver Beziehungswahn
      Type 1 Excludes
      Type 2 Excludes
      • paranoid personality disorder (F60.0)
      • paranoid psychosis, psychogenic (F23)
      • paranoid reaction (F23)
      • senile F03
    • state (climacteric) (involutional) (menopausal) (simple) F22
      ICD-10-CM Diagnosis Code F22

      Delusional disorders

        2016 2017 2018 2019 2020 2021 Billable/Specific Code
      Applicable To
      • Delusional dysmorphophobia
      • Involutional paranoid state
      • Paranoia
      • Paranoia querulans
      • Paranoid psychosis
      • Paranoid state
      • Paraphrenia (late)
      • Sensitiver Beziehungswahn
      Type 1 Excludes
      Type 2 Excludes
      • paranoid personality disorder (F60.0)
      • paranoid psychosis, psychogenic (F23)
      • paranoid reaction (F23)
      • senile F03
  • Presbyophrenia F03
  • Presenile - see also condition
    • dementia F03
  • Psychosis, psychotic F29
    ICD-10-CM Diagnosis Code F29

    Unspecified psychosis not due to a substance or known physiological condition

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    • Psychosis NOS
    • Unspecified schizophrenia spectrum and other psychotic disorder
    Type 1 Excludes
    • mental disorder NOS (F99)
    • unspecified mental disorder due to known physiological condition (F09)
    • due to or associated with
      • presenile dementia F03
      • senile dementia F03
    • paranoid (climacteric) (involutional) (menopausal) F22
      ICD-10-CM Diagnosis Code F22

      Delusional disorders

        2016 2017 2018 2019 2020 2021 Billable/Specific Code
      Applicable To
      • Delusional dysmorphophobia
      • Involutional paranoid state
      • Paranoia
      • Paranoia querulans
      • Paranoid psychosis
      • Paranoid state
      • Paraphrenia (late)
      • Sensitiver Beziehungswahn
      Type 1 Excludes
      Type 2 Excludes
      • paranoid personality disorder (F60.0)
      • paranoid psychosis, psychogenic (F23)
      • paranoid reaction (F23)
      • senile F03
    • senile NEC F03
      • depressed or paranoid type F03
      • simple deterioration F03
    • presbyophrenic F03 (type)
    • presenile F03
  • Reaction - see also Disorder
    • paranoid (acute) F23
      ICD-10-CM Diagnosis Code F23

      Brief psychotic disorder

        2016 2017 2018 2019 2020 2021 Billable/Specific Code
      Applicable To
      • Paranoid reaction
      • Psychogenic paranoid psychosis
      Type 2 Excludes
      • senile F03
  • Senile, senility R41.81
    - see also condition
    ICD-10-CM Diagnosis Code R41.81

    Age-related cognitive decline

      2016 2017 2018 2019 2020 2021 Billable/Specific Code Adult Dx (15-124 years)
    Applicable To
    • Senility NOS
    • with
      • mental changes NOS F03
  • State (of)
    • paranoid F22
      ICD-10-CM Diagnosis Code F22

      Delusional disorders

        2016 2017 2018 2019 2020 2021 Billable/Specific Code
      Applicable To
      • Delusional dysmorphophobia
      • Involutional paranoid state
      • Paranoia
      • Paranoia querulans
      • Paranoid psychosis
      • Paranoid state
      • Paraphrenia (late)
      • Sensitiver Beziehungswahn
      Type 1 Excludes
      Type 2 Excludes
      • paranoid personality disorder (F60.0)
      • paranoid psychosis, psychogenic (F23)
      • paranoid reaction (F23)
      • senile F03
    • psychotic, organic - see also Psychosis, organic
      • senile or presenile F03

ICD-10-CM Codes Adjacent To F03
E89.823 Postprocedural seroma of an endocrine system organ or structure following other procedure
E89.89 Other postprocedural endocrine and metabolic complications and disorders
F01 Vascular dementia
F01.5 Vascular dementia
F01.50 …… without behavioral disturbance
F01.51 …… with behavioral disturbance
F02 Dementia in other diseases classified elsewhere
F02.8 Dementia in other diseases classified elsewhere
F02.80 …… without behavioral disturbance
F02.81 …… with behavioral disturbance
F03 Unspecified dementia
F03.9 Unspecified dementia
F03.90 …… without behavioral disturbance
F03.91 …… with behavioral disturbance
F04 Amnestic disorder due to known physiological condition
F05 Delirium due to known physiological condition
F06 Other mental disorders due to known physiological condition
F06.0 Psychotic disorder with hallucinations due to known physiological condition
F06.1 Catatonic disorder due to known physiological condition
F06.2 Psychotic disorder with delusions due to known physiological condition
F06.3 Mood disorder due to known physiological condition

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

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