Alphabetic Index FY2027

G65.2

Sequelae of toxic polyneuropathy

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

BillableComplete code, valid to report
Care settingsHome Health Primary · Neuro RehabilitationIRF 60% Rule

G65.2 (also written G652) is a billable ICD-10-CM diagnosis code for sequelae of toxic polyneuropathy. It is part of the FY2027 code set, effective October 1, 2026. It is one of the 3 codes in category G65 (Sequelae of inflammatory and toxic polyneuropathies). The Alphabetic Index lists it under 7 entries. Its coding notes include a Code first instruction, 4 Excludes1 entries and 8 Excludes2 entries.

Code first

If the underlying condition listed here is present and known, sequence it first.

Inherited from G65 Sequelae of inflammatory and toxic polyneuropathies
  • condition resulting from (sequela) of inflammatory and toxic polyneuropathies

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

IRF 60% Rule

On the CMS list of diagnoses used to determine presumptive compliance with the IRF 60 percent rule.

Source: CMS IRF Presumptive Compliance-3, FY 2027 IRF PPS final rule files, effective for discharges on or after October 1, 2026

Alphabetic Index terms

Terms the official Alphabetic Index lists for this code. 7 entries