Alphabetic Index FY2027

G61.9

Inflammatory polyneuropathy, unspecified

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

BillableComplete code, valid to report

G61.9 (also written G619) is a billable ICD-10-CM diagnosis code for inflammatory polyneuropathy, unspecified. It is part of the FY2027 code set, effective October 1, 2026. It is one of the 6 codes in category G61 (Inflammatory polyneuropathy). 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)

Alphabetic Index terms

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