G64

Other disorders of peripheral nervous system

FY2027Chapter 6: Diseases of the nervous system/G60–G65 Polyneuropathies and other disorders of the peripheral nervous system

BillableComplete code, valid to report

G64 is a billable ICD-10-CM diagnosis code for other disorders of peripheral nervous system. It is part of the FY2027 code set, effective October 1, 2026. The Alphabetic Index lists it under 1 entry. Its coding notes include 4 Excludes1 entries and 8 Excludes2 entries.

Excludes1

Not coded here. The listed conditions generally should not be reported together.

Also from chapter/block level (4 notes)
Inherited from G60–G65 Polyneuropathies and other disorders of the peripheral nervous system

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

Also from chapter/block level (8 notes)
Inherited from Chapter 6 Diseases of the nervous system
  • 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)

Care settings

How CMS programs treat this code. These are CMS claim edits and list entries, not coverage or eligibility rules.

Home Health Primary

Accepted as the primary (principal) diagnosis on a home health claim. The Home Health Grouper assigns it to the Neuro Rehabilitation clinical group.

Source: CMS Home Health Grouper Software v07.2.26, effective October 1, 2026

Inclusion terms

Conditions classified to this code.

This code
  • Disorder of peripheral nervous system NOS

Alphabetic Index terms

Terms the official Alphabetic Index lists for this code. 1 entry