Code
Hierarchy
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G00-G99 Diseases of the nervous system (G00-G99)
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G30-G32 Other degenerative diseases of the nervous system (G30-G32)
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G31 Other degenerative diseases of nervous system, not elsewhere classified
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G31.8 Other specified degenerative diseases of nervous system
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G31.80 Leukodystrophy, unspecified
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G31.81 Alpers disease
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G31.82 Leigh's disease
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G31.83 Neurocognitive disorder with Lewy bodies
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G31.84 Mild cognitive impairment of uncertain or unknown etiology
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G31.85 Corticobasal degeneration
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G31.86 Alexander disease
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G31.89 Other specified degenerative diseases of nervous system
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-
-
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Inclusion Terms
G31.84
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Mild cognitive disorder NOS
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Mild neurocognitive disorder of uncertain or unknown etiology
Use Additional
G31.84
-
code to identify presence of:
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alcohol abuse and dependence (F10.-)
- F10 Alcohol related disorders
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exposure to environmental tobacco smoke (Z77.22)
- Z77.22 Contact with and (suspected) exposure to environmental tobacco smoke (acute) (chronic)
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history of tobacco dependence (Z87.891)
- Z87.891 Personal history of nicotine dependence
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hypertension (I10-I1A)
- I10-I1A Hypertensive diseases (I10-I1A)
- Z57.31 Occupational exposure to environmental tobacco smoke
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tobacco dependence (F17.-)
- F17 Nicotine dependence
- Z72.0 Tobacco use
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code, if applicable, for codes G31.0-G31.83, G31.85-G31.9, to identify:
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dementia with anxiety (F02.84, F02.A4, F02.B4, F02.C4)
- F02.84 Dementia in other diseases classified elsewhere, unspecified severity, with anxiety
- F02.A4 Dementia in other diseases classified elsewhere, mild, with anxiety
- F02.B4 Dementia in other diseases classified elsewhere, moderate, with anxiety
- F02.C4 Dementia in other diseases classified elsewhere, severe, with anxiety
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dementia with behavioral disturbance (F02.81-, F02.A1-, F02.B1-, F02.C1-)
- F02.81 Dementia in other diseases classified elsewhere, unspecified severity, with behavioral disturbance
- F02.A1 Dementia in other diseases classified elsewhere, mild, with behavioral disturbance
- F02.B1 Dementia in other diseases classified elsewhere, moderate, with behavioral disturbance
- F02.C1 Dementia in other diseases classified elsewhere, severe, with behavioral disturbance
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dementia with mood disturbance (F02.83, F02.A3, F02.B3, F02.C3)
- F02.83 Dementia in other diseases classified elsewhere, unspecified severity, with mood disturbance
- F02.A3 Dementia in other diseases classified elsewhere, mild, with mood disturbance
- F02.B3 Dementia in other diseases classified elsewhere, moderate, with mood disturbance
- F02.C3 Dementia in other diseases classified elsewhere, severe, with mood disturbance
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dementia with psychotic disturbance (F02.82, F02.A2, F02.B2, F02.C2)
- F02.82 Dementia in other diseases classified elsewhere, unspecified severity, with psychotic disturbance
- F02.A2 Dementia in other diseases classified elsewhere, mild, with psychotic disturbance
- F02.B2 Dementia in other diseases classified elsewhere, moderate, with psychotic disturbance
- F02.C2 Dementia in other diseases classified elsewhere, severe, with psychotic disturbance
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dementia without behavioral disturbance (F02.80, F02.A0, F02.B0, F02.C0)
- F02.80 Dementia in other diseases classified elsewhere, unspecified severity, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety
- F02.A0 Dementia in other diseases classified elsewhere, mild, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety
- F02.B0 Dementia in other diseases classified elsewhere, moderate, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety
- F02.C0 Dementia in other diseases classified elsewhere, severe, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety
- F06.7 Mild neurocognitive disorder due to known physiological condition
Excludes 1
G31.84
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age related cognitive decline (R41.81)
- R41.81 Age-related cognitive decline
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altered mental status (R41.82)
- R41.82 Altered mental status, unspecified
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cerebral degeneration (G31.9)
- G31.9 Degenerative disease of nervous system, unspecified
- I60-I69 Cerebrovascular diseases (I60-I69)
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change in mental status (R41.82)
- R41.82 Altered mental status, unspecified
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cognitive deficits following (sequelae of) cerebral hemorrhage or infarction (I69.01-, I69.11-, I69.21-, I69.31-, I69.81-, I69.91-)
- I69.01 Cognitive deficits following nontraumatic subarachnoid hemorrhage
- I69.11 Cognitive deficits following nontraumatic intracerebral hemorrhage
- I69.21 Cognitive deficits following other nontraumatic intracranial hemorrhage
- I69.31 Cognitive deficits following cerebral infarction
- I69.81 Cognitive deficits following other cerebrovascular disease
- I69.91 Cognitive deficits following unspecified cerebrovascular disease
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cognitive impairment due to intracranial or head injury (S06.-)
- S06 Intracranial injury
- dementia (F01.-, F02.-, F03)
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mild neurocognitive disorder due to a known physiological condition (F06.7-)
- F06.7 Mild neurocognitive disorder due to known physiological condition
- R41.4 Neurologic neglect syndrome
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personality change, nonpsychotic (F68.8)
- F68.8 Other specified disorders of adult personality and behavior
Excludes 2
- G93.7 Reye's syndrome
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certain conditions originating in the perinatal period (P04-P96)
- A00-B99 Certain infectious and parasitic diseases (A00-B99)
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complications of pregnancy, childbirth and the puerperium (O00-O9A)
- O00-O9A Pregnancy, childbirth and the puerperium (O00-O9A)
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congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
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endocrine, nutritional and metabolic diseases (E00-E88)
- S00-T88 Injury, poisoning and certain other consequences of external causes (S00-T88)
- C00-D49 Neoplasms (C00-D49)
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symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)