Is ICD-10-CM code G30-G32 billable?

No, G30-G32 (Other degenerative diseases of the nervous system (G30-G32)) is a non-billable ICD-10-CM code. It must be coded to a more specific subcategory before it can be used for reimbursement.

What chapter does ICD-10-CM code G30-G32 belong to?

G30-G32 belongs to Chapter 6 of the ICD-10-CM tabular list: G00–G99 (Diseases of the Nervous System).

G30-G32Non-billable

Other degenerative diseases of the nervous system (G30-G32)

Diseases of the Nervous System·block·FY 2026

Use a more specific code (0 billable, 3 non-billable)

G30Alzheimer's diseasehas subcodes G31Other degenerative diseases of nervous system, not elsewhere classifiedhas subcodes G32Other degenerative disorders of nervous system in diseases classified elsewherehas subcodes

CH6 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)

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)

Clinical Hierarchy

BillableHas subcodes

CH6Diseases of the nervous system (G00-G99)

G30-G32Other degenerative diseases of the nervous system (G30-G32)Not billable

G30Alzheimer's diseaseSubcodes

G31Other degenerative diseases of nervous system, not elsewhere classifiedSubcodes

G32Other degenerative disorders of nervous system in diseases classified elsewhereSubcodes

MS-DRG Classification

2026

No direct MS-DRG triggers identified.