G31 — Other degenerative diseases of nervous system, not elsewhere classified

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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 )

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dementia with behavioral disturbance ( F02.81- , F02.A1- , F02.B1- , F02.C1- )

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dementia with mood disturbance ( F02.83 , F02.A3 , F02.B3 , F02.C3 )

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dementia with psychotic disturbance ( F02.82 , F02.A2 , F02.B2 , F02.C2 )

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dementia without behavioral disturbance ( F02.80 , F02.A0 , F02.B0 , F02.C0 )

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mild neurocognitive disorder due to known physiological condition ( F06.7- )

Excludes2

Reye's syndrome ( G93.7 )