2017/18 ICD-10-CM Diagnosis Code F02

Dementia in other diseases classified elsewhere

Code First
Code First Help
Certain conditions have both an underlying etiology and multiple body system manifestations due to the underlying etiology. For such conditions, ICD-10-CM has a coding convention that requires the underlying condition be sequenced first followed by the manifestation. Wherever such a combination exists there is a "use additional code" note at the etiology code, and a "code first" note at the manifestation code. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation. In most cases the manifestation codes will have in the code title, "in diseases classified elsewhere." Codes with this title are a component of the etiology/manifestation convention. The code title indicates that it is a manifestation code. "In diseases classified elsewhere" codes are never permitted to be used as first listed or principle diagnosis codes. They must be used in conjunction with an underlying condition code and they must be listed following the underlying condition.
  • the underlying physiological condition, such as:
  • Alzheimer's (
    ICD-10-CM Diagnosis Code G30
    • G30 Alzheimer's disease
      • G30.0 Alzheimer's disease with early onset
      • G30.1 Alzheimer's disease with late onset
      • G30.8 Other Alzheimer's disease
      • G30.9 Alzheimer's disease, unspecified
    G30.-
    )
  • cerebral lipidosis (
    ICD-10-CM Diagnosis Code E75.4

    Neuronal ceroid lipofuscinosis

      2016 2017 2018 Billable/Specific Code
    Applicable To
    • Batten disease
    • Bielschowsky-Jansky disease
    • Kufs disease
    • Spielmeyer-Vogt disease
    E75.4
    )
  • Creutzfeldt-Jakob disease (
    ICD-10-CM Diagnosis Code A81.0

    Creutzfeldt-Jakob disease

      2016 2017 2018 Non-Billable/Non-Specific Code
    A81.0-
    )
  • dementia with Lewy bodies (
    ICD-10-CM Diagnosis Code G31.83

    Dementia with Lewy bodies

      2016 2017 2018 Billable/Specific Code
    Applicable To
    • Dementia with Parkinsonism
    • Lewy body dementia
    • Lewy body disease
    G31.83
    )
  • dementia with Parkinsonism (
    ICD-10-CM Diagnosis Code G31.83

    Dementia with Lewy bodies

      2016 2017 2018 Billable/Specific Code
    Applicable To
    • Dementia with Parkinsonism
    • Lewy body dementia
    • Lewy body disease
    G31.83
    )
  • epilepsy and recurrent seizures (
    ICD-10-CM Diagnosis Code G40
    • G40 Epilepsy and recurrent seizures
      • G40.0 Localization-related (focal) (partial) idiopa...
        • G40.00 Localization-related (focal) (partial) idiopa...
          • G40.001 Localization-related (focal) (partial) idiopa...
          • G40.009 Localization-related (focal) (partial) idiopa...
        • G40.01 Localization-related (focal) (partial) idiopa...
          • G40.011 Localization-related (focal) (partial) idiopa...
          • G40.019 Localization-related (focal) (partial) idiopa...
      • G40.1 Localization-related (focal) (partial) sympto...
        • G40.10 Localization-related (focal) (partial) sympto...
          • G40.101 Localization-related (focal) (partial) sympto...
          • G40.109 Localization-related (focal) (partial) sympto...
        • G40.11 Localization-related (focal) (partial) sympto...
          • G40.111 Localization-related (focal) (partial) sympto...
          • G40.119 Localization-related (focal) (partial) sympto...
      • G40.2 Localization-related (focal) (partial) sympto...
        • G40.20 Localization-related (focal) (partial) sympto...
          • G40.201 Localization-related (focal) (partial) sympto...
          • G40.209 Localization-related (focal) (partial) sympto...
        • G40.21 Localization-related (focal) (partial) sympto...
          • G40.211 Localization-related (focal) (partial) sympto...
          • G40.219 Localization-related (focal) (partial) sympto...
      • G40.3 Generalized idiopathic epilepsy and epileptic...
        • G40.30 Generalized idiopathic epilepsy and epileptic...
          • G40.301 Generalized idiopathic epilepsy and epileptic...
          • G40.309 Generalized idiopathic epilepsy and epileptic...
        • G40.31 Generalized idiopathic epilepsy and epileptic...
          • G40.311 Generalized idiopathic epilepsy and epileptic...
          • G40.319 Generalized idiopathic epilepsy and epileptic...
      • G40.A Absence epileptic syndrome
        • G40.A0 Absence epileptic syndrome, not intractable
          • G40.A01 Absence epileptic syndrome, not intractable, ...
          • G40.A09 Absence epileptic syndrome, not intractable, ...
        • G40.A1 Absence epileptic syndrome, intractable
          • G40.A11 Absence epileptic syndrome, intractable, with...
          • G40.A19 Absence epileptic syndrome, intractable, with...
      • G40.B Juvenile myoclonic epilepsy [impulsive petit ...
        • G40.B0 Juvenile myoclonic epilepsy, not intractable
          • G40.B01 Juvenile myoclonic epilepsy, not intractable,...
          • G40.B09 Juvenile myoclonic epilepsy, not intractable,...
        • G40.B1 Juvenile myoclonic epilepsy, intractable
          • G40.B11 Juvenile myoclonic epilepsy, intractable, wit...
          • G40.B19 Juvenile myoclonic epilepsy, intractable, wit...
      • G40.4 Other generalized epilepsy and epileptic synd...
        • G40.40 Other generalized epilepsy and epileptic synd...
          • G40.401 Other generalized epilepsy and epileptic synd...
          • G40.409 Other generalized epilepsy and epileptic synd...
        • G40.41 Other generalized epilepsy and epileptic synd...
          • G40.411 Other generalized epilepsy and epileptic synd...
          • G40.419 Other generalized epilepsy and epileptic synd...
      • G40.5 Epileptic seizures related to external causes...
        • G40.50 Epileptic seizures related to external causes...
          • G40.501 Epileptic seizures related to external causes...
          • G40.509 Epileptic seizures related to external causes...
      • G40.8 Other epilepsy and recurrent seizures
        • G40.80 Other epilepsy
          • G40.801 Other epilepsy, not intractable, with status ...
          • G40.802 Other epilepsy, not intractable, without stat...
          • G40.803 Other epilepsy, intractable, with status epil...
          • G40.804 Other epilepsy, intractable, without status e...
        • G40.81 Lennox-Gastaut syndrome
          • G40.811 Lennox-Gastaut syndrome, not intractable, wit...
          • G40.812 Lennox-Gastaut syndrome, not intractable, wit...
          • G40.813 Lennox-Gastaut syndrome, intractable, with st...
          • G40.814 Lennox-Gastaut syndrome, intractable, without...
        • G40.82 Epileptic spasms
          • G40.821 Epileptic spasms, not intractable, with statu...
          • G40.822 Epileptic spasms, not intractable, without st...
          • G40.823 Epileptic spasms, intractable, with status ep...
          • G40.824 Epileptic spasms, intractable, without status...
        • G40.89 Other seizures
      • G40.9 Epilepsy, unspecified
        • G40.90 Epilepsy, unspecified, not intractable
          • G40.901 Epilepsy, unspecified, not intractable, with ...
          • G40.909 Epilepsy, unspecified, not intractable, witho...
        • G40.91 Epilepsy, unspecified, intractable
          • G40.911 Epilepsy, unspecified, intractable, with stat...
          • G40.919 Epilepsy, unspecified, intractable, without s...
    G40.-
    )
  • frontotemporal dementia (
    ICD-10-CM Diagnosis Code G31.09

    Other frontotemporal dementia

      2016 2017 2018 Billable/Specific Code
    Applicable To
    • Frontal dementia
    G31.09
    )
  • hepatolenticular degeneration (
    ICD-10-CM Diagnosis Code E83.0

    Disorders of copper metabolism

      2016 2017 2018 Non-Billable/Non-Specific Code
    E83.0
    )
  • human immunodeficiency virus [HIV] disease (
    ICD-10-CM Diagnosis Code B20

    Human immunodeficiency virus [HIV] disease

      2016 2017 2018 Billable/Specific Code
    Code First
    • Human immunodeficiency virus [HIV] disease complicating pregnancy, childbirth and the puerperium, if applicable (O98.7-)
    Includes
    • acquired immune deficiency syndrome [AIDS]
    • AIDS-related complex [ARC]
    • HIV infection, symptomatic
    Type 1 Excludes
    • asymptomatic human immunodeficiency virus [HIV] infection status (Z21)
    • exposure to HIV virus (Z20.6)
    • inconclusive serologic evidence of HIV (R75)
    Use Additional
    • code(s) to identify all manifestations of HIV infection
    B20
    )
  • Huntington's disease (
    ICD-10-CM Diagnosis Code G10

    Huntington's disease

      2016 2017 2018 Billable/Specific Code
    Applicable To
    • Huntington's chorea
    • Huntington's dementia
    Code Also
    • dementia in other diseases classified elsewhere without behavioral disturbance (F02.80)
    G10
    )
  • hypercalcemia (
    ICD-10-CM Diagnosis Code E83.52

    Hypercalcemia

      2016 2017 2018 Billable/Specific Code
    Applicable To
    • Familial hypocalciuric hypercalcemia
    E83.52
    )
  • hypothyroidism, acquired (
    ICD-10-CM Diagnosis Code E00

    Congenital iodine-deficiency syndrome

      2016 2017 2018 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • subclinical iodine-deficiency hypothyroidism (E02)
    Use Additional
    • code (F70-F79) to identify associated intellectual disabilities.
    E00
    -
    ICD-10-CM Diagnosis Code E03

    Other hypothyroidism

      2016 2017 2018 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • iodine-deficiency related hypothyroidism (E00-E02)
    • postprocedural hypothyroidism (E89.0)
    E03
    .-)
  • intoxications (
    ICD-10-CM Diagnosis Code T36

    Poisoning by, adverse effect of and underdosing of systemic antibiotics

      2016 2017 2018 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • antineoplastic antibiotics (T45.1-)
    • locally applied antibiotic NEC (T49.0)
    • topically used antibiotic for ear, nose and throat (T49.6)
    • topically used antibiotic for eye (T49.5)
    T36
    -
    ICD-10-CM Diagnosis Code T65

    Toxic effect of other and unspecified substances

      2016 2017 2018 Non-Billable/Non-Specific Code
    T65
    )
  • Jakob-Creutzfeldt disease (
    ICD-10-CM Diagnosis Code A81.0

    Creutzfeldt-Jakob disease

      2016 2017 2018 Non-Billable/Non-Specific Code
    A81.0-
    )
  • multiple sclerosis (
    ICD-10-CM Diagnosis Code G35

    Multiple sclerosis

      2016 2017 2018 Billable/Specific Code
    Applicable To
    • Disseminated multiple sclerosis
    • Generalized multiple sclerosis
    • Multiple sclerosis NOS
    • Multiple sclerosis of brain stem
    • Multiple sclerosis of cord
    G35
    )
  • neurosyphilis (
    ICD-10-CM Diagnosis Code A52.17

    General paresis

      2016 2017 2018 Billable/Specific Code
    Applicable To
    • Dementia paralytica
    A52.17
    )
  • niacin deficiency [pellagra] (
    ICD-10-CM Diagnosis Code E52

    Niacin deficiency [pellagra]

      2016 2017 2018 Billable/Specific Code
    Applicable To
    • Niacin (-tryptophan) deficiency
    • Nicotinamide deficiency
    • Pellagra (alcoholic)
    Type 1 Excludes
    • sequelae of niacin deficiency (E64.8)
    E52
    )
  • Parkinson's disease (
    ICD-10-CM Diagnosis Code G20

    Parkinson's disease

      2016 2017 2018 Billable/Specific Code
    Applicable To
    • Hemiparkinsonism
    • Idiopathic Parkinsonism or Parkinson's disease
    • Paralysis agitans
    • Parkinsonism or Parkinson's disease NOS
    • Primary Parkinsonism or Parkinson's disease
    Type 1 Excludes
    • dementia with Parkinsonism (G31.83)
    G20
    )
  • Pick's disease (
    ICD-10-CM Diagnosis Code G31.01

    Pick's disease

      2016 2017 2018 Billable/Specific Code
    Applicable To
    • Primary progressive aphasia
    • Progressive isolated aphasia
    G31.01
    )
  • polyarteritis nodosa (
    ICD-10-CM Diagnosis Code M30.0

    Polyarteritis nodosa

      2016 2017 2018 Billable/Specific Code
    M30.0
    )
  • prion disease (
    ICD-10-CM Diagnosis Code A81.9

    Atypical virus infection of central nervous system, unspecified

      2016 2017 2018 Billable/Specific Code
    Applicable To
    • Prion diseases of the central nervous system NOS
    A81.9
    )
  • systemic lupus erythematosus (
    ICD-10-CM Diagnosis Code M32
    • M32 Systemic lupus erythematosus (SLE)
      • M32.0 Drug-induced systemic lupus erythematosus
      • M32.1 Systemic lupus erythematosus with organ or sy...
        • M32.10 Systemic lupus erythematosus, organ or system...
        • M32.11 Endocarditis in systemic lupus erythematosus
        • M32.12 Pericarditis in systemic lupus erythematosus
        • M32.13 Lung involvement in systemic lupus erythemato...
        • M32.14 Glomerular disease in systemic lupus erythema...
        • M32.15 Tubulo-interstitial nephropathy in systemic l...
        • M32.19 Other organ or system involvement in systemic...
      • M32.8 Other forms of systemic lupus erythematosus
      • M32.9 Systemic lupus erythematosus, unspecified
    M32.-
    )
  • traumatic brain injury (
    ICD-10-CM Diagnosis Code S06
    • S06.0 Concussion
    • S06.1 Traumatic cerebral edema
    • S06.2 Diffuse traumatic brain injury
    • S06.3 Focal traumatic brain injury
    • S06.4 Epidural hemorrhage
    • S06.5 Traumatic subdural hemorrhage
    • S06.6 Traumatic subarachnoid hemorrhage
    • S06.8 Other specified intracranial injuries
    • S06.9 Unspecified intracranial injury
    S06.-
    )
  • trypanosomiasis (
    ICD-10-CM Diagnosis Code B56
    • B56 African trypanosomiasis
      • B56.0 Gambiense trypanosomiasis
      • B56.1 Rhodesiense trypanosomiasis
      • B56.9 African trypanosomiasis, unspecified
    B56.-
    ,
    ICD-10-CM Diagnosis Code B57
    • B57 Chagas' disease
      • B57.0 Acute Chagas' disease with heart involvement
      • B57.1 Acute Chagas' disease without heart involveme...
      • B57.2 Chagas' disease (chronic) with heart involvem...
      • B57.3 Chagas' disease (chronic) with digestive syst...
        • B57.30 Chagas' disease with digestive system involve...
        • B57.31 Megaesophagus in Chagas' disease
        • B57.32 Megacolon in Chagas' disease
        • B57.39 Other digestive system involvement in Chagas'...
      • B57.4 Chagas' disease (chronic) with nervous system...
        • B57.40 Chagas' disease with nervous system involveme...
        • B57.41 Meningitis in Chagas' disease
        • B57.42 Meningoencephalitis in Chagas' disease
        • B57.49 Other nervous system involvement in Chagas' d...
      • B57.5 Chagas' disease (chronic) with other organ in...
    B57.-
    )
  • vitamin B deficiency (
    ICD-10-CM Diagnosis Code E53.8

    Deficiency of other specified B group vitamins

      2016 2017 2018 Billable/Specific Code
    Applicable To
    • Biotin deficiency
    • Cyanocobalamin deficiency
    • Folate deficiency
    • Folic acid deficiency
    • Pantothenic acid deficiency
    • Vitamin B12 deficiency
    Type 1 Excludes
    • folate deficiency anemia (D52.-)
    • vitamin B12 deficiency anemia (D51.-)
    E53.8
    )
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 (F02) and the excluded code together.
  • dementia in alcohol and psychoactive substance disorders (F10-F19
    ICD-10-CM Range F10-F19

    Mental and behavioral disorders due to psychoactive substance use

    • F10 Alcohol related disorders
    • F11 Opioid related disorders
    • F12 Cannabis related disorders
    • F13 Sedative, hypnotic, or anxiolytic relate...
    • F14 Cocaine related disorders
    • F15 Other stimulant related disorders
    • F16 Hallucinogen related disorders
    • F17 Nicotine dependence
    • F18 Inhalant related disorders
    • F19 Other psychoactive substance related dis...
    , with .17, .27, .97)
  • vascular dementia (
    ICD-10-CM Diagnosis Code F01.5

    Vascular dementia

      2016 2017 2018 Non-Billable/Non-Specific Code
    F01.5-
    )
Includes
Includes Help
"Includes" further defines, or give examples of, the content of the code or category.
  • Major neurocognitive disorder in other diseases classified elsewhere
The following code(s) above F02 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 F02:
  • F01-F99
    2018 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
    2018 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
Code History
Code annotations containing back-references to F02:
ICD-10-CM Codes Adjacent To F02
E89.82 Postprocedural hematoma and seroma of an endocrine system organ or structure
E89.820 Postprocedural hematoma of an endocrine system organ or structure following an endocrine system procedure
E89.821 Postprocedural hematoma of an endocrine system organ or structure following other procedure
E89.822 Postprocedural seroma of an endocrine system organ or structure following an endocrine system procedure
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

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