DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

F02 Dementia in other diseases classified elsewhere

  • Header · not billable

F02 is not billable. The category heads 24 billable codes in FY2027, grouped under 4 subdivisions.

Index → code

  • Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety)in (due to)diseases specified elsewhere (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety) → F02.80
  • Disorder (of)neurocognitivemajorin (due to) (other diseases classified elsewhere) → F02.80
  • Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety)in (due to)diseases specified elsewhere (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety)mild → F02.A0
Billable codes
24
Subdivisions
4
CC / MCC codes
20 / 0
HCC V28 codes
24
New FY2027
0
Index entries
85

Codes in F02

  1. F02.8
    Dementia in other diseases classified elsewhere, unspecified severity
    Header
  2. F02.80
    Dementia in other diseases classified elsewhere, unspecified severity, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety 1 billable code
    Billable127
  3. F02.81
    Dementia in other diseases classified elsewhere, unspecified severity, with behavioral disturbance
    Header
  4. F02.811
    Dementia in other diseases classified elsewhere, unspecified severity, with agitation
    BillableCC127
    Inclusion terms 4

    Inclusion terms

    • Dementia in other diseases classified elsewhere, unspecified severity, with aberrant motor behavior such as restlessness, rocking, pacing, or exit-seeking
    • Dementia in other diseases classified elsewhere, unspecified severity, with verbal or physical behaviors such as profanity, shouting, threatening, anger, aggression, combativeness, or violence
    • Major neurocognitive disorder in other diseases classified elsewhere, unspecified severity, with aberrant motor behavior such as restlessness, rocking, pacing, or exit-seeking
    • Major neurocognitive disorder in other diseases classified elsewhere, unspecified severity, with verbal or physical behaviors such as profanity, shouting, threatening, anger, aggression, combativeness, or violence
  5. F02.818
    Dementia in other diseases classified elsewhere, unspecified severity, with other behavioral disturbance
    BillableCC127
    Inclusion terms 2, Use additional code 1

    Inclusion terms

    • Dementia in other diseases classified elsewhere with sleep disturbance, social disinhibition, or sexual disinhibition
    • Major neurocognitive disorder in other diseases classified elsewhere with sleep disturbance, social disinhibition, or sexual disinhibition

    Use additional code

    • code, if applicable, to identify wandering in dementia in conditions classified elsewhere (Z91.83) Z91.83
  6. F02.82
    Dementia in other diseases classified elsewhere, unspecified severity, with psychotic disturbance
    BillableCC127
    Inclusion terms 2

    Inclusion terms

    • Dementia in other diseases classified elsewhere, unspecified severity, with psychotic disturbance such as hallucinations, paranoia, suspiciousness, or delusional state
    • Major neurocognitive disorder in other diseases classified elsewhere, unspecified, with psychotic disturbance such as hallucinations, paranoia, suspiciousness, or delusional state
  7. F02.83
    Dementia in other diseases classified elsewhere, unspecified severity, with mood disturbance
    BillableCC127
    Inclusion terms 2

    Inclusion terms

    • Dementia in other diseases classified elsewhere, unspecified severity, with mood disturbance such as depression, apathy, or anhedonia
    • Major neurocognitive disorder in other diseases classified elsewhere unspecified severity, with mood disturbance such as with depression, apathy, or anhedonia
  8. F02.84
    Dementia in other diseases classified elsewhere, unspecified severity, with anxiety
    BillableCC127
    Inclusion terms 1

    Inclusion terms

    • Major neurocognitive disorder in other diseases classified elsewhere unspecified severity, with anxiety
  9. F02.A
    Dementia in other diseases classified elsewhere, mild
    Header
    Excludes1 1

    Excludes1

    • mild neurocognitive disorder due to known physiological condition with or without behavioral disturbance (F06.7-) F06.7
  10. F02.A0
    Dementia in other diseases classified elsewhere, mild, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety
    Billable127
    Inclusion terms 2

    Inclusion terms

    • Dementia in other diseases classified elsewhere, mild, NOS
    • Major neurocognitive disorder in other diseases classified elsewhere, mild, NOS
  11. F02.A1
    Dementia in other diseases classified elsewhere, mild, with behavioral disturbance
    Header
  12. F02.A11
    Dementia in other diseases classified elsewhere, mild, with agitation
    BillableCC127
    Inclusion terms 4

    Inclusion terms

    • Dementia in other diseases classified elsewhere, mild, with aberrant motor behavior such as restlessness, rocking, pacing, or exit-seeking
    • Dementia in other diseases classified elsewhere, mild, with verbal or physical behaviors such as profanity, shouting, threatening, anger, aggression, combativeness, or violence
    • Major neurocognitive disorder in other diseases classified elsewhere, mild, with aberrant motor behavior such as restlessness, rocking, pacing, or exit-seeking
    • Major neurocognitive disorder in other diseases classified elsewhere, mild, with verbal or physical behaviors such as profanity, shouting, threatening, anger, aggression, combativeness, or violence
  13. F02.A18
    Dementia in other diseases classified elsewhere, mild, with other behavioral disturbance
    BillableCC127
    Inclusion terms 2, Use additional code 1

    Inclusion terms

    • Dementia in other diseases classified elsewhere, mild, with behavioral disturbances such as sleep disturbance, social disinhibition, or sexual disinhibition
    • Major neurocognitive disorder in other diseases classified elsewhere, mild, with behavioral disturbances such as sleep disturbance, social disinhibition, or sexual disinhibition

    Use additional code

    • code, if applicable, to identify wandering in dementia in conditions classified elsewhere (Z91.83) Z91.83
  14. F02.A2
    Dementia in other diseases classified elsewhere, mild, with psychotic disturbance
    BillableCC127
    Inclusion terms 2

    Inclusion terms

    • Dementia in other diseases classified elsewhere, mild, with psychotic disturbance such as hallucinations, paranoia, suspiciousness, or delusional state
    • Major neurocognitive disorder in other diseases classified elsewhere, mild, with psychotic disturbance such as hallucinations, paranoia, suspiciousness, or delusional state
  15. F02.A3
    Dementia in other diseases classified elsewhere, mild, with mood disturbance
    BillableCC127
    Inclusion terms 2

    Inclusion terms

    • Dementia in other diseases classified elsewhere, mild, with mood disturbance such as depression, apathy, or anhedonia
    • Major neurocognitive disorder in other diseases classified elsewhere, mild, with mood disturbance such as depression, apathy, or anhedonia
  16. F02.A4
    Dementia in other diseases classified elsewhere, mild, with anxiety
    BillableCC127
    Inclusion terms 1

    Inclusion terms

    • Major neurocognitive disorder in other diseases classified elsewhere, mild, with anxiety
  17. F02.B
    Dementia in other diseases classified elsewhere, moderate
    Header
  18. F02.B0
    Dementia in other diseases classified elsewhere, moderate, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety
    Billable126
    Inclusion terms 2

    Inclusion terms

    • Dementia in other diseases classified elsewhere, moderate, NOS
    • Major neurocognitive disorder in other diseases classified elsewhere, moderate, NOS
  19. F02.B1
    Dementia in other diseases classified elsewhere, moderate, with behavioral disturbance
    Header
  20. F02.B11
    Dementia in other diseases classified elsewhere, moderate, with agitation
    BillableCC126
    Inclusion terms 4

    Inclusion terms

    • Dementia in other diseases classified elsewhere, moderate, with aberrant motor behavior such as restlessness, rocking, pacing, or exit-seeking
    • Dementia in other diseases classified elsewhere, moderate, with verbal or physical behaviors such as profanity, shouting, threatening, anger, aggression, combativeness, or violence
    • Major neurocognitive disorder in other diseases classified elsewhere, moderate, with aberrant motor behavior such as restlessness, rocking, pacing, or exit-seeking
    • Major neurocognitive disorder in other diseases classified elsewhere, moderate, with verbal or physical behaviors such as profanity, shouting, threatening, anger, aggression, combativeness, or violence
  21. F02.B18
    Dementia in other diseases classified elsewhere, moderate, with other behavioral disturbance
    BillableCC126
    Inclusion terms 2, Use additional code 1

    Inclusion terms

    • Dementia in other diseases classified elsewhere, moderate, with behavioral disturbances such as sleep disturbance, social disinhibition, or sexual disinhibition
    • Major neurocognitive disorder in other diseases classified elsewhere, moderate, with behavioral disturbance such as sleep disturbance, social disinhibition, or sexual disinhibition

    Use additional code

    • code, if applicable, to identify wandering in dementia in conditions classified elsewhere (Z91.83) Z91.83
  22. F02.B2
    Dementia in other diseases classified elsewhere, moderate, with psychotic disturbance
    BillableCC126
    Inclusion terms 2

    Inclusion terms

    • Dementia in other diseases classified elsewhere, moderate, with psychotic disturbance such as hallucinations, paranoia, suspiciousness, or delusional state
    • Major neurocognitive disorder in other diseases classified elsewhere, moderate, with psychotic disturbance such as hallucinations, paranoia, suspiciousness, or delusional state
  23. F02.B3
    Dementia in other diseases classified elsewhere, moderate, with mood disturbance
    BillableCC126
    Inclusion terms 2

    Inclusion terms

    • Dementia in other diseases classified elsewhere, moderate, with mood disturbance such as depression, apathy, or anhedonia
    • Major neurocognitive disorder in other diseases classified elsewhere, moderate, with mood disturbance such as depression, apathy, or anhedonia
  24. F02.B4
    Dementia in other diseases classified elsewhere, moderate, with anxiety
    BillableCC126
    Inclusion terms 1

    Inclusion terms

    • Major neurocognitive disorder in other diseases classified elsewhere, moderate, with anxiety
  25. F02.C
    Dementia in other diseases classified elsewhere, severe
    Header
  26. F02.C0
    Dementia in other diseases classified elsewhere, severe, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety
    Billable125
    Inclusion terms 2

    Inclusion terms

    • Dementia in other diseases classified elsewhere, severe, NOS
    • Major neurocognitive disorder in other diseases classified elsewhere, severe, NOS
  27. F02.C1
    Dementia in other diseases classified elsewhere, severe, with behavioral disturbance
    Header
  28. F02.C11
    Dementia in other diseases classified elsewhere, severe, with agitation
    BillableCC125
    Inclusion terms 4

    Inclusion terms

    • Dementia in other diseases classified elsewhere, severe, with aberrant motor behavior such as restlessness, rocking, pacing, or exit-seeking
    • Dementia in other diseases classified elsewhere, severe, with verbal or physical behaviors such as profanity, shouting, threatening, anger, aggression, combativeness, or violence
    • Major neurocognitive disorder in other diseases classified elsewhere, severe, with aberrant motor behavior such as restlessness, rocking, pacing, or exit-seeking
    • Major neurocognitive disorder in other diseases classified elsewhere, severe, with verbal or physical behaviors such as profanity, shouting, threatening, anger, aggression, combativeness, or violence
  29. F02.C18
    Dementia in other diseases classified elsewhere, severe, with other behavioral disturbance
    BillableCC125
    Inclusion terms 2, Use additional code 1

    Inclusion terms

    • Dementia in other diseases classified elsewhere, severe, with behavioral disturbances such as sleep disturbance, social disinhibition, or sexual disinhibition
    • Major neurocognitive disorder in other diseases classified elsewhere, severe, with behavioral disturbances such as sleep disturbance, social disinhibition, or sexual disinhibition

    Use additional code

    • code, if applicable, to identify wandering in dementia in conditions classified elsewhere (Z91.83) Z91.83
  30. F02.C2
    Dementia in other diseases classified elsewhere, severe, with psychotic disturbance
    BillableCC125
    Inclusion terms 2

    Inclusion terms

    • Dementia in other diseases classified elsewhere, severe, with psychotic disturbance such as hallucinations, paranoia, suspiciousness, or delusional state
    • Major neurocognitive disorder in other diseases classified elsewhere, severe, with psychotic disturbance such as hallucinations, paranoia, suspiciousness, or delusional state
  31. F02.C3
    Dementia in other diseases classified elsewhere, severe, with mood disturbance
    BillableCC125
    Inclusion terms 2

    Inclusion terms

    • Dementia in other diseases classified elsewhere, severe, with mood disturbance such as depression, apathy, or anhedonia
    • Major neurocognitive disorder in other diseases classified elsewhere, severe, with mood disturbance such as depression, apathy, or anhedonia
  32. F02.C4
    Dementia in other diseases classified elsewhere, severe, with anxiety
    BillableCC125
    Inclusion terms 1

    Inclusion terms

    • Major neurocognitive disorder in other diseases classified elsewhere, severe, with anxiety

CC/MCC: as a secondary diagnosis, unless the principal diagnosis is on the code’s PDX exclusion list (MS-DRG v44 Appendix C; list on the code card).

Sources of each column.

Instructions

At F02

Includes

  • Major neurocognitive disorder in other diseases classified elsewhere

Excludes1

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

Excludes2

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

Code first

  • the underlying physiological condition, such as:
  • Alzheimer's (G30.-) G30
  • cerebral lipidosis (E75.4) E75.4
  • Creutzfeldt-Jakob disease (A81.0-) A81.0
  • epilepsy and recurrent seizures (G40.-) G40
  • hepatolenticular degeneration (E83.01) E83.01
  • human immunodeficiency virus [HIV] disease (B20) B20
  • Huntington's disease (G10) G10
  • hypercalcemia (E83.52) E83.52
  • hypothyroidism, acquired (E00-E03.-) E00 E03
  • intoxications (T36-T65) T36 T65
  • Jakob-Creutzfeldt disease (A81.0-) A81.0
  • multiple sclerosis (G35-) G35
  • neurocognitive disorder with Lewy bodies (G31.83) G31.83
  • neurosyphilis (A52.17) A52.17
  • niacin deficiency [pellagra] (E52) E52
  • other frontotemporal neurocognitive disorder (G31.09) G31.09
  • Parkinson's disease (G20.-) G20
  • Pick's disease (G31.01) G31.01
  • polyarteritis nodosa (M30.0) M30.0
  • prion disease (A81.9) A81.9
  • systemic lupus erythematosus (M32.-) M32
  • traumatic brain injury (S06.-) S06
  • trypanosomiasis (B56.-, B57.-) B56 B57
  • vitamin B deficiency (E53.8) E53.8

Notes that also apply

Block F01-F09 instructions (Notes 1): printed on the block page.

Chapter 5 instructions (Includes 1, Excludes2 1): printed on the chapter 5 page.

Index entries

  • Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety)paralytica, paralytic (syphilitic)with behavioral disturbance → A52.17 [F02.81-]
  • Huntington's disease or choreawith dementiawith behavioral disturbance → G10 [F02.81-]
  • Parkinsonism (idiopathic) (primary)dementiawith behavioral disturbance → G20.C [F02.81-]
  • Disease, diseasedAlzheimer'swith behavioral disturbance → G30.9 [F02.81-]
  • Aphasia (amnestic) (global) (nominal) (semantic) (syntactic)primary progressivewith behavioral disturbance → G31.01 [F02.81-]
  • Aphasia (amnestic) (global) (nominal) (semantic) (syntactic)progressive isolatedwith behavioral disturbance → G31.01 [F02.81-]
  • Disease, diseasedPick'swith behavioral disturbance → G31.01 [F02.81-]
  • Pick'scerebral atrophywith behavioral disturbance → G31.01 [F02.81-]
  • Pick'sdisease or syndrome (brain)with behavioral disturbance → G31.01 [F02.81-]
  • Atrophy, atrophic (of)sclerosis, lobar (of brain)with behavioral disturbance → G31.09 [F02.81-]
  • Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety)frontal (lobe)with behavioral disturbance → G31.09 [F02.81-]
  • Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety)frontotemporalwith behavioral disturbance → G31.09 [F02.81]
  • Disorder (of)neurocognitivefrontotemporal, specified NEC → G31.09 [F02.-]
  • Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety)Lewy bodywith behavioral disturbance → G31.83 [F02.81-]
  • Disease, diseasedLewy body (dementia)with behavioral disturbance → G31.83 [F02.81-]
  • Disorder (of)neurocognitivewith Lewy bodies → G31.83 [F02.-]
  • Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety)in (due to)neurosyphiliswith behavioral disturbance → A52.17 [F02.81-]
  • Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety)in (due to)human immunodeficiency virus (HIV) diseasewith behavioral disturbance → B20 [F02.81-]
  • Humanimmunodeficiency virus (HIV) disease (infection)dementiawith behavioral disturbance → B20 [F02.81-]
  • Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety)in (due to)hypothyroidism, acquiredwith behavioral disturbance → E03.9 [F02.81-]
  • Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety)in (due to)niacin deficiencywith behavioral disturbance → E52 [F02.81-]
  • Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety)in (due to)pellagrawith behavioral disturbance → E52 [F02.81-]
  • Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety)in (due to)vitamin B12 deficiencywith behavioral disturbance → E53.8 [F02.81-]
  • Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety)in (due to)cerebral lipidoseswith behavioral disturbance → E75.- [F02.81-]
  • Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety)in (due to)hepatolenticular degenerationwith behavioral disturbance → E83.01 [F02.81-]
  • Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety)in (due to)hypercalcemiawith behavioral disturbance → E83.52 [F02.81-]
  • Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety)in (due to)diseases specified elsewhere (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety)mild → F02.A0
  • Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety)in (due to)diseases specified elsewhere (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety)moderate → F02.B0
  • Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety)in (due to)diseases specified elsewhere (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety)severe → F02.C0
  • Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety)in (due to)Huntington's disease or choreawith behavioral disturbance → G10 [F02.81-]
  • Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety)withParkinson's diseasewith behavioral disturbance → G20.A1 [F02.81-]
  • Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety)withParkinsonismwith behavioral disturbance → G20.C [F02.81-]
  • Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety)in (due to)paralysis agitanswith behavioral disturbance → G20.C [F02.81-]
  • Disease, diseasedAlzheimer'searly onsetwith behavioral disturbance → G30.0 [F02.81-]
  • Disease, diseasedAlzheimer'slate onsetwith behavioral disturbance → G30.1 [F02.81-]
  • Disease, diseasedAlzheimer'sspecified NECwith behavioral disturbance → G30.8 [F02.81-]
  • Atrophy, atrophic (of)brain (cortex) (progressive)frontotemporal circumscribedwith behavioral disturbance → G31.01 [F02.81-]
  • Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety)in (due to)Pick'swith behavioral disturbance → G31.01 [F02.81-]
  • Disease, diseasedPick'sbrainwith behavioral disturbance → G31.01 [F02.81-]
  • Pick'sdisease or syndrome (brain)brainwith behavioral disturbance → G31.01 [F02.81-]

45 more, longer entries are not listed; the search box finds them by word.

NCHS Alphabetic Index. Index first, then the Tabular List.

Hierarchy