ICD-10: G31

Other degenerative diseases of nervous system, not elsewhere classified

Coding Guidelines

Use Additional Code

  • dementia with psychotic disturbance (F02.82, F02.A2, F02.B2, F02.C2)
  • code, if applicable, for codes G31.0-G31.83, G31.85-G31.9, to identify:
  • dementia without behavioral disturbance (F02.80, F02.A0, F02.B0, F02.C0)
  • mild neurocognitive disorder due to known physiological condition (F06.7-)
  • dementia with anxiety (F02.84, F02.A4, F02.B4, F02.C4)
  • dementia with mood disturbance (F02.83, F02.A3, F02.B3, F02.C3)
  • dementia with behavioral disturbance (F02.81-, F02.A1-, F02.B1-, F02.C1-)

Excludes 2

  • Reye's syndrome (G93.7)

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