Search Browse Crosswalk Fees Tools Pricing

Codelle

AI-powered medical coding assistant for healthcare practices and billers.

Pricing Privacy Terms

© 2026 Codelle. All rights reserved.

CPT® copyright 2026 American Medical Association. All rights reserved. CPT is a registered trademark of the American Medical Association. Applicable FARS/DFARS restrictions apply to government use. Fee schedules, relative value units, conversion factors and/or related components are not assigned by the AMA, are not part of CPT, and the AMA is not recommending their use.

ICD-10-CM G31 — Oth degenerative diseases of nerv… | Codelle

G31

ICD-10-CM

Oth degenerative diseases of nervous system, NEC

Other degenerative diseases of nervous system, not elsewhere classified

Clinical Notes

Excludes 2 — Not included here

Reye's syndrome (G93.7)

Use additional code

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-)

Code Hierarchy

Subcodes (5)

G31.0Frontotemporal dementia

G31.1Senile degeneration of brain, not elsewhere classified

G31.2Degeneration of nervous system due to alcohol

G31.8Other specified degenerative diseases of nervous system

G31.9Degenerative disease of nervous system, unspecified

Same Category

G31.0Frontotemporal dementia G31.01Pick's disease G31.09Other frontotemporal neurocognitive disorder G31.1Senile degeneration of brain, not elsewhere classified G31.2Degeneration of nervous system due to alcohol G31.8

Other specified degenerative diseases of nervous system

G31.80Leukodystrophy, unspecified

G31.81Alpers disease

G31.82Leigh's disease

G31.83Neurocognitive disorder with Lewy bodies

+5 more in this category