Is ICD-10-CM code G63 billable?

Yes, G63 (Polyneuropathy in diseases classified elsewhere) is a billable ICD-10-CM diagnosis code, valid for reimbursement on HIPAA-covered transactions for FY2026.

What chapter does ICD-10-CM code G63 belong to?

G63 belongs to Chapter 6 of the ICD-10-CM tabular list: G00–G99 (Diseases of the Nervous System).

G63Billable

Polyneuropathy in diseases classified elsewhere

Diseases of the Nervous System·Polyneuropathies and other disorders of the peripheral nervous system (G60-G65)·category·FY 2026

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)

G60-G65 Parent Instructions

Excludes1(Not coded here. Use a different code.)

neuralgia NOS (M79.2)
neuritis NOS (M79.2)
peripheral neuritis in pregnancy (O26.82-)
radiculitis NOS (M54.10)

Instructional Notes

Excludes1(Not coded here. Use a different code.)

polyneuropathy (in):
diabetes mellitus (E08-E13 with .42)
diphtheria (A36.83)
infectious mononucleosis complicated by polyneuropathy (B27.0-B27.9 with fifth character 1)
Lyme disease (A69.22)
mumps (B26.84)
postherpetic (B02.23)
rheumatoid arthritis (M05.5-)
scleroderma (M34.83)
systemic lupus erythematosus (M32.19)

Code First

underlying disease, such as:
amyloidosis (E85.-)
endocrine disease, except diabetes (E00-E07, E15-E16, E20-E34)
metabolic diseases (E70-E88)
neoplasm (C00-D49)
nutritional deficiency (E40-E64)

Clinical Hierarchy

BillableHas subcodes

CH6Diseases of the nervous system (G00-G99)

G60-G65Polyneuropathies and other disorders of the peripheral nervous system (G60-G65)

G63Polyneuropathy in diseases classified elsewhereBillable

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 073

Cranial and Peripheral Nerve Disorders with MCC

DRG 074

Cranial and Peripheral Nerve Disorders without MCC