G63 — Polyneuropathy in diseases classified elsewhere
Part of Chapter 6: Diseases of the nervous system , block Polyneuropathies and other disorders of the peripheral nervous system (G60-G65) .
Official Notes
Code First
underlying disease, such as:
Code First
amyloidosis ( E85 .-)
Code First
endocrine disease, except diabetes (E00-E07, E15-E16, E20-E34)
Code First
metabolic diseases (E70-E88)
Code First
neoplasm (C00-D49)
Code First
nutritional deficiency (E40-E64)
Excludes1
polyneuropathy (in):
Excludes1
diabetes mellitus (E08-E13 with .42)
Excludes1
diphtheria ( A36.83 )
Excludes1
infectious mononucleosis complicated by polyneuropathy (B27.0-B27.9 with fifth character 1)
Excludes1
Lyme disease ( A69.22 )
Excludes1
mumps ( B26.84 )
Excludes1
postherpetic ( B02.23 )
Excludes1
rheumatoid arthritis ( M05.5- )
Excludes1
scleroderma ( M34.83 )
Excludes1
systemic lupus erythematosus ( M32.19 )
Child Codes
G63 has no child codes in the FY 2027 release -- it is used on its own.
FY 2027 effective October 1, 2026 · CDC NCHS and CMS