G31.2
Degeneration of nervous system due to alcohol
HCC risk adjustment mapping
CMS-HCC ESRD V24
Dementia Without Complication
RxHCC V08
Dementia, Except Alzheimer's Disease
Coding notes
Excludes 1 never coded together · Excludes 2 may co-exist
associated alcoholism (F10.-)
Alcoholic cerebellar ataxia Alcoholic cerebellar degeneration Alcoholic cerebral degeneration Alcoholic encephalopathy Dysfunction of the autonomic nervous system due to alcohol
Reye's syndrome (G93.7)
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-)
certain conditions originating in the perinatal period (P04-P96) certain infectious and parasitic diseases (A00-B99) complications of pregnancy, childbirth and the puerperium (O00-O9A) congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99) endocrine, nutritional and metabolic diseases (E00-E88) injury, poisoning and certain other consequences of external causes (S00-T88) neoplasms (C00-D49) symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Official Guidelines for G31.2
FY 2026 ›Find G31.2 in the alphabetic index
9 index paths lead to this code
- Encephalopathy › alcoholic
- Ataxia, ataxy, ataxic › cerebellar › alcoholic
- Degeneration, degenerative › brain › alcoholic
- Degeneration, degenerative › cerebellar NOS › alcoholic
- Degeneration, degenerative › cortical › alcoholic
- Degeneration, degenerative › nervous system › alcoholic
- Dysfunction › autonomic › due to alcohol
- Ataxia, ataxy, ataxic › cerebellar › in › alcoholism
- Degeneration, degenerative › brain › in › alcoholism