G31.2
✓ BillableDegeneration of nervous system due to alcohol
Diseases of the nervous system (G00-G99)
Also Known As
📋 Code Instructions
inherited- • 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-)
Clinical Description
ICD-10-CM code G31.2 represents degeneration of nervous system due to alcohol. This code falls under the Diseases of the nervous system (G00-G99) classification. It is a billable/specific code valid for HIPAA-covered transactions as of October 1, 2025 (FY2026). This code can be used to indicate a diagnosis for reimbursement purposes on insurance claims.
This is a 5-character code at the 4th level of specificity. This is the most specific code available in this subcategory.
Frequently Asked Questions
What is ICD-10 code G31.2?
ICD-10-CM code G31.2 is "Degeneration of nervous system due to alcohol". It belongs to the category: Diseases of the nervous system (G00-G99).
Is G31.2 a billable ICD-10 code?
Yes, G31.2 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Can G31.2 be coded with other codes?
G31.2 has 1 Excludes2 note(s). These conditions can be coded together if both are documented in the patient record.
Related Codes in G31
Other codes in the same category that may be relevant for differential coding:
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Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)