ICD-10-CM Book 2026 Edition

Chapters  /  Chapter 5  /  F01-F09  /  F03
F03 Unspecified dementia
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)
mild memory disturbance due to known physiological condition (F06.8)
F03.9 Unspecified dementia, unspecified severity
F03.90 Unspecified dementia, unspecified severity, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety
Dementia NOS
age Adult: [15-124]
F03.91 Unspecified dementia, unspecified severity, with behavioral disturbance
age Adult: [15-124]
F03.911 Unspecified dementia, unspecified severity, with agitation
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
F03.918 Unspecified dementia, unspecified severity, with other behavioral disturbance
Unspecified dementia, unspecified severity, with behavioral disturbances such as sleep disturbance, social disinhibition, or sexual disinhibition
UseAdditionalCode code, if applicable, to identify wandering in unspecified dementia (Z91.83)
F03.92 Unspecified dementia, unspecified severity, with psychotic disturbance
Unspecified dementia, unspecified severity, with psychotic disturbance such as hallucinations, paranoia, suspiciousness, or delusional state
F03.93 Unspecified dementia, unspecified severity, with mood disturbance
Unspecified dementia, unspecified severity, with mood disturbance such as depression, apathy, or anhedonia
F03.94 Unspecified dementia, unspecified severity, with anxiety
F03.A Unspecified dementia, mild
Excludes1 mild neurocognitive disorder due to known physiological condition with or without behavioral disturbance (F06.7-)
F03.A0 Unspecified dementia, mild, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety
Dementia, mild, NOS
F03.A1 Unspecified dementia, mild, with behavioral disturbance
F03.A11 Unspecified dementia, mild, with agitation
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
F03.A18 Unspecified dementia, mild, with other behavioral disturbance
Unspecified dementia, mild, with behavioral disturbances such as sleep disturbance, social disinhibition, or sexual disinhibition
UseAdditionalCode code, if applicable, to identify wandering in unspecified dementia (Z91.83)
F03.A2 Unspecified dementia, mild, with psychotic disturbance
Unspecified dementia, mild, with psychotic disturbance such as hallucinations, paranoia, suspiciousness, or delusional state
F03.A3 Unspecified dementia, mild, with mood disturbance
Unspecified dementia, mild, with mood disturbance such as depression, apathy, or anhedonia
F03.A4 Unspecified dementia, mild, with anxiety
F03.B Unspecified dementia, moderate
F03.B0 Unspecified dementia, moderate, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety
Dementia, moderate, NOS
F03.B1 Unspecified dementia, moderate, with behavioral disturbance
F03.B11 Unspecified dementia, moderate, with agitation
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
F03.B18 Unspecified dementia, moderate, with other behavioral disturbance
Unspecified dementia, moderate, with behavioral disturbances such as sleep disturbance, social disinhibition, or sexual disinhibition
UseAdditionalCode code, if applicable, to identify wandering in unspecified dementia (Z91.83)
F03.B2 Unspecified dementia, moderate, with psychotic disturbance
Unspecified dementia, moderate, with psychotic disturbance such as hallucinations, paranoia, suspiciousness, or delusional state
F03.B3 Unspecified dementia, moderate, with mood disturbance
Unspecified dementia, moderate, with mood disturbance such as depression, apathy, or anhedonia
F03.B4 Unspecified dementia, moderate, with anxiety
F03.C Unspecified dementia, severe
F03.C0 Unspecified dementia, severe, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety
Dementia, severe, NOS
F03.C1 Unspecified dementia, severe, with behavioral disturbance
F03.C11 Unspecified dementia, severe, with agitation
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
F03.C18 Unspecified dementia, severe, with other behavioral disturbance
Unspecified dementia, severe, with behavioral disturbances such as sleep disturbance, social disinhibition, or sexual disinhibition
UseAdditionalCode code, if applicable, to identify wandering in unspecified dementia (Z91.83)
F03.C2 Unspecified dementia, severe, with psychotic disturbance
Unspecified dementia, severe, with psychotic disturbance such as hallucinations, paranoia, suspiciousness, or delusional state
F03.C3 Unspecified dementia, severe, with mood disturbance
Unspecified dementia, severe, with mood disturbance such as depression, apathy, or anhedonia
F03.C4 Unspecified dementia, severe, with anxiety