G31 Non-Billable Code
Other degenerative diseases of nervous system, not elsewhere classified
Chapter Classification
Chapter 6
Diseases of the nervous system (G00-G99)
Section Detail
G30-G32
Other degenerative diseases of the nervous system (G30-G32)
Coding Guidelines & Notes
excludes2
- Reye's syndrome (G93.7)
useAdditionalCode
- code, if applicable, for codes G31.0-G31.83, G31.85-G31.9, to identify:
- dementia with anxiety (F02.84, F02.A4, F02.B4, F02.C4)
- dementia with behavioral disturbance (F02.81-, F02.A1-, F02.B1-, F02.C1-)
- dementia with mood disturbance (F02.83, F02.A3, F02.B3, F02.C3)
- dementia with psychotic disturbance (F02.82, F02.A2, F02.B2, F02.C2)
- dementia without behavioral disturbance (F02.80, F02.A0, F02.B0, F02.C0)
- mild neurocognitive disorder due to known physiological condition (F06.7-)
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