DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

F03 Unspecified dementia

  • Header · not billable

F03 is not billable. The category heads 24 billable codes in FY2027, grouped under 4 subdivisions.

ICD-10 code by name

What is the ICD-10 code for dementia?
Dementia ICD-10 code: F03.90 Unspecified dementia, unspecified severity, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety. Alphabetic Index: Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety) → F03.90. Search ICD-10 for dementia
What is the ICD-10 code for dementia with behavioral disturbance?
Dementia with behavioral disturbance ICD-10 code: F03.918 Unspecified dementia, unspecified severity, with other behavioral disturbance. Alphabetic Index: Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety)withbehavioral disturbances (sexual disinhibition) (sleep disturbance) (social disinhibition) → F03.918. Search ICD-10 for dementia with behavioral disturbance
What is the ICD-10 code for mild dementia?
Mild dementia ICD-10 code: F03.A0 Unspecified dementia, mild, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety. Alphabetic Index: Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety)mild → F03.A0. Search ICD-10 for mild dementia
What is the ICD-10 code for dementia with agitation?
Dementia with agitation ICD-10 code: F03.911 Unspecified dementia, unspecified severity, with agitation. Alphabetic Index: Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety)withagitation → F03.911. Search ICD-10 for dementia with agitation
What is the ICD-10 code for moderate dementia?
Moderate dementia ICD-10 code: F03.B0 Unspecified dementia, moderate, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety. Alphabetic Index: Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety)moderate → F03.B0. Search ICD-10 for moderate dementia
What is the ICD-10 code for severe dementia?
Severe dementia ICD-10 code: F03.C0 Unspecified dementia, severe, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety. Alphabetic Index: Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety)severe → F03.C0. Search ICD-10 for severe dementia
What is the ICD-10 code for dementia with anxiety?
Dementia with anxiety ICD-10 code: F03.94 Unspecified dementia, unspecified severity, with anxiety. Alphabetic Index: Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety)withanxiety → F03.94. Search ICD-10 for dementia with anxiety
Billable codes
24
Subdivisions
4
CC / MCC codes
20 / 0
HCC V28 codes
24
New FY2027
0
Index entries
68

Codes in F03

  1. F03.9
    Unspecified dementia, unspecified severity
    Header
  2. F03.90
    Unspecified dementia, unspecified severity, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety 1 billable code
    Billable127
  3. F03.91
    Unspecified dementia, unspecified severity, with behavioral disturbance
    Header
  4. F03.911
    Unspecified dementia, unspecified severity, with agitation
    BillableCC127
    Inclusion terms 2

    Inclusion terms

    • Unspecified dementia, unspecified severity, with aberrant motor behavior such as restlessness, rocking, pacing, or exit-seeking
    • Unspecified dementia, unspecified severity, with verbal or physical behaviors such as profanity, shouting, threatening, anger, aggression, combativeness, or violence
  5. F03.918
    Unspecified dementia, unspecified severity, with other behavioral disturbance
    BillableCC127
    Inclusion terms 1, Use additional code 1

    Inclusion terms

    • Unspecified dementia, unspecified severity, with behavioral disturbances such as sleep disturbance, social disinhibition, or sexual disinhibition

    Use additional code

    • code, if applicable, to identify wandering in unspecified dementia (Z91.83) Z91.83
  6. F03.92
    Unspecified dementia, unspecified severity, with psychotic disturbance
    BillableCC127
    Inclusion terms 1

    Inclusion terms

    • Unspecified dementia, unspecified severity, with psychotic disturbance such as hallucinations, paranoia, suspiciousness, or delusional state
  7. F03.93
    Unspecified dementia, unspecified severity, with mood disturbance
    BillableCC127
    Inclusion terms 1

    Inclusion terms

    • Unspecified dementia, unspecified severity, with mood disturbance such as depression, apathy, or anhedonia
  8. F03.94
    Unspecified dementia, unspecified severity, with anxiety
    BillableCC127
  9. F03.A
    Unspecified dementia, mild
    Header
    Excludes1 1

    Excludes1

    • mild neurocognitive disorder due to known physiological condition with or without behavioral disturbance (F06.7-) F06.7
  10. F03.A0
    Unspecified dementia, mild, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety
    Billable127
    Inclusion terms 1

    Inclusion terms

    • Dementia, mild, NOS
  11. F03.A1
    Unspecified dementia, mild, with behavioral disturbance
    Header
  12. F03.A11
    Unspecified dementia, mild, with agitation
    BillableCC127
    Inclusion terms 2

    Inclusion terms

    • Unspecified dementia, mild, with aberrant motor behavior such as restlessness, rocking, pacing, or exit-seeking
    • Unspecified dementia, mild, with verbal or physical behaviors such as profanity, shouting, threatening, anger, aggression, combativeness, or violence
  13. F03.A18
    Unspecified dementia, mild, with other behavioral disturbance
    BillableCC127
    Inclusion terms 1, Use additional code 1

    Inclusion terms

    • Unspecified dementia, mild, with behavioral disturbances such as sleep disturbance, social disinhibition, or sexual disinhibition

    Use additional code

    • code, if applicable, to identify wandering in unspecified dementia (Z91.83) Z91.83
  14. F03.A2
    Unspecified dementia, mild, with psychotic disturbance
    BillableCC127
    Inclusion terms 1

    Inclusion terms

    • Unspecified dementia, mild, with psychotic disturbance such as hallucinations, paranoia, suspiciousness, or delusional state
  15. F03.A3
    Unspecified dementia, mild, with mood disturbance
    BillableCC127
    Inclusion terms 1

    Inclusion terms

    • Unspecified dementia, mild, with mood disturbance such as depression, apathy, or anhedonia
  16. F03.A4
    Unspecified dementia, mild, with anxiety
    BillableCC127
  17. F03.B
    Unspecified dementia, moderate
    Header
  18. F03.B0
    Unspecified dementia, moderate, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety
    Billable126
    Inclusion terms 1

    Inclusion terms

    • Dementia, moderate, NOS
  19. F03.B1
    Unspecified dementia, moderate, with behavioral disturbance
    Header
  20. F03.B11
    Unspecified dementia, moderate, with agitation
    BillableCC126
    Inclusion terms 2

    Inclusion terms

    • Unspecified dementia, moderate, with aberrant motor behavior such as restlessness, rocking, pacing, or exit-seeking
    • Unspecified dementia, moderate, with verbal or physical behaviors such as profanity, shouting, threatening, anger, aggression, combativeness, or violence
  21. F03.B18
    Unspecified dementia, moderate, with other behavioral disturbance
    BillableCC126
    Inclusion terms 1, Use additional code 1

    Inclusion terms

    • Unspecified dementia, moderate, with behavioral disturbances such as sleep disturbance, social disinhibition, or sexual disinhibition

    Use additional code

    • code, if applicable, to identify wandering in unspecified dementia (Z91.83) Z91.83
  22. F03.B2
    Unspecified dementia, moderate, with psychotic disturbance
    BillableCC126
    Inclusion terms 1

    Inclusion terms

    • Unspecified dementia, moderate, with psychotic disturbance such as hallucinations, paranoia, suspiciousness, or delusional state
  23. F03.B3
    Unspecified dementia, moderate, with mood disturbance
    BillableCC126
    Inclusion terms 1

    Inclusion terms

    • Unspecified dementia, moderate, with mood disturbance such as depression, apathy, or anhedonia
  24. F03.B4
    Unspecified dementia, moderate, with anxiety
    BillableCC126
  25. F03.C
    Unspecified dementia, severe
    Header
  26. F03.C0
    Unspecified dementia, severe, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety
    Billable125
    Inclusion terms 1

    Inclusion terms

    • Dementia, severe, NOS
  27. F03.C1
    Unspecified dementia, severe, with behavioral disturbance
    Header
  28. F03.C11
    Unspecified dementia, severe, with agitation
    BillableCC125
    Inclusion terms 2

    Inclusion terms

    • Unspecified dementia, severe, with aberrant motor behavior such as restlessness, rocking, pacing, or exit-seeking
    • Unspecified dementia, severe, with verbal or physical behaviors such as profanity, shouting, threatening, anger, aggression, combativeness, or violence
  29. F03.C18
    Unspecified dementia, severe, with other behavioral disturbance
    BillableCC125
    Inclusion terms 1, Use additional code 1

    Inclusion terms

    • Unspecified dementia, severe, with behavioral disturbances such as sleep disturbance, social disinhibition, or sexual disinhibition

    Use additional code

    • code, if applicable, to identify wandering in unspecified dementia (Z91.83) Z91.83
  30. F03.C2
    Unspecified dementia, severe, with psychotic disturbance
    BillableCC125
    Inclusion terms 1

    Inclusion terms

    • Unspecified dementia, severe, with psychotic disturbance such as hallucinations, paranoia, suspiciousness, or delusional state
  31. F03.C3
    Unspecified dementia, severe, with mood disturbance
    BillableCC125
    Inclusion terms 1

    Inclusion terms

    • Unspecified dementia, severe, with mood disturbance such as depression, apathy, or anhedonia
  32. F03.C4
    Unspecified dementia, severe, with anxiety
    BillableCC125

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 F03

Inclusion terms

  • Major neurocognitive disorder NOS
  • Presenile dementia NOS
  • Presenile psychosis NOS
  • Primary degenerative dementia NOS
  • Senile dementia NOS
  • Senile dementia depressed or paranoid type
  • Senile psychosis NOS

Excludes2

  • dementia with delirium or acute confusional state (F05) F05
  • mild memory disturbance due to known physiological condition (F06.8) F06.8

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

  • Presbyophrenia → F03
  • Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety)old age (senile) → F03
  • Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety)presenile → F03
  • Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety)primary degenerative → F03
  • Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety)senile → F03
  • Depression (acute) (mental)senile → F03
  • Disorder (of)major neurocognitive → F03-
  • Insanity, insanesenile → F03
  • Melancholiasenile → F03
  • Old age (without mention of debility)dementia → F03
  • Paranoia (querulans)senile → F03
  • Paranoiddementia (senile) → F03
  • Preseniledementia → F03
  • Psychosis, psychoticpresbyophrenic (type) → F03
  • Psychosis, psychoticpresenile → F03
  • Psychosis, psychoticsenile NEC → F03
  • Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety)mild → F03.A0
  • Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety)moderate → F03.B0
  • Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety)severe → F03.C0
  • Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety)in (due to)unknown etiology → F03.-
  • Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety)seniledepressed or paranoid type → F03
  • Disorder (of)mental (or behavioral) (nonpsychotic)presenile, psychotic → F03
  • Disorder (of)mental (or behavioral) (nonpsychotic)senile, psychotic NEC → F03
  • Disorder (of)neurocognitivemajor → F03.-
  • Paranoidpsychosis (climacteric) (involutional) (menopausal)senile → F03
  • Paranoidstate (climacteric) (involutional) (menopausal) (simple)senile → F03
  • Psychosis, psychoticdue to or associated withpresenile dementia → F03
  • Psychosis, psychoticdue to or associated withsenile dementia → F03
  • Psychosis, psychoticparanoid (climacteric) (involutional) (menopausal)senile → F03
  • Psychosis, psychoticsenile NECdepressed or paranoid type → F03
  • Psychosis, psychoticsenile NECsimple deterioration → F03
  • Reactionparanoid (acute)senile → F03
  • Senile, senilitywithmental changes NOS → F03
  • State (of)paranoidsenile → F03
  • State (of)psychotic, organicsenile or presenile → F03
  • Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety)withaberrant motor behavior (exit-seeking) (pacing) (restlessness) (rocking) → F03.911
  • Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety)withagitation → F03.911
  • Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety)withverbal or physical behaviors (anger) (aggression) (combativeness) (profanity) (shouting) (threatening) (violence) → F03.911
  • Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety)withbehavioral disturbances (sexual disinhibition) (sleep disturbance) (social disinhibition) → F03.918
  • Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety)withpsychotic disturbance (delusional state) (hallucinations) (paranoia) (suspiciousness) → F03.92

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

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

Hierarchy